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ADC 70 User's Manual

1. BUS B INPUT BATTERY B BUS A AND BUS B BATTERY BUS A INPUT CONNECTORS OUTPUT POWER ALARM CONTACT OUTPUT POWER CONNECTORS TWO HOLE CONNECTORS SET CONNECTOR CONNECTORS SET TWO HOLE COMPRESSION SCREW BARREL WIRE WRAP PIN SCREW BARREL COMPRESSION LUG STUD TYPE 2 TERMINAL TYPE BLOCK TYPE TERMINAL TYPE LUG STUD TYPE 2 MAX INPUY 60A DDODDOOO 5 DDOODOOO MAX IWUT 60A Q B REMOTE s 9 e LAR 6 m RTN FEET RTN B RTN Oloo oO RTN O TO BATTERY B CHASSIS BATTERY A TO BATTERY OUTPUT RETURN GROUND OUTPUT RETURN BATTERY B CONNECTORS SET TERMINALS CONNECTORS SET A To SCREW BARREL SCREW BARREL RETURN TERMINAL TYPE TERMINAL TYPE RETURN B PROTECTIVE COVER A MOUNTING STANDOFFS 2 SETS OF 4 16155 A Figure 5 PowerWorx Type 70 Fuse Panel Rear View with Protective Cover Removed Panel with Compression Lug Input Connectors and Set Screw Barrel Terminal Strip Output Connectors Shown BUS B INPUT CONNECTORS BUS A INPUT CONNECTORS
2. SET SCREW BARREL SET SCREW BARREL BUS A AND BUS B BUS B OUTPUT POWER ALARM CONTACT BUS A OUTPUT POWER TO CONNECTORS SCREW CONNECTOR CONNECTORS SCREW TO BATTERY DOWN BARRIER WIRE WRAP PIN DOWN BARRIER BATTERY B TERMINAL STRIP TYPE BLOCK TYPE TERMINAL STRIP TYPE A TORQUE TO 160 Ibin 20 Nm 1 2 4 5 6 7 8 1 2 3 4 5 7 8 TORQUE TO 160 Ibin 20 Nm elelelelelelelelele Ap REMOTE P ei Ss INPUT VOLTAGE NEG 24 OR 48 VDC 1 2 3 4 5 7 8 CeNDLO 1 2 3 4 5 6 7 8 INPUT VOLTAGE NEG 24 OR 48 VDC TO BUS B OUTPUT RETURN CHASSIS BUS A OUTPUT RETURN INTERNAL TO RETURN CONNECTORS SCREW GROUND CONNECTORS SCREW CONNECTIONS RETURN B DOWN BARRIER TERMINALS DOWN BARRIER DO NOT REMOVE A TERMINAL STRIP TYPE TERMINAL STRIP TYPE CAPS OR INTERNAL TURN SCREWS CONNECTIONS DO NOT REMOVE PROTECTIVE COVER 16154 B CAPS OR MOUNTING STANDOFFS TURN SCREWS 2 SETS OF 2 Figure 6 PowerWorx Type 70 Fuse Panel Rear View with Protective Cover Removed Panel with Set Screw Barrel Input Connectors and Screw Down Barrier Terminal Strip Connectors Shown Page 9 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 1 1 Power Buses Each fuse panel has two s
3. 28 4 19 Vollage uiid he ERG RS sod 55 RE a E 20 E Gun chose eek PREIS d PANES qeu ad EE ud dd dd deas de 29 PPP eth et S SSS SSS mas 29 De PENODI Ap 29 5 3 Wiring Connections Torque 29 2 20388 00 00 037 aa aaa a aa 29 5 5 Connection Polarity TOS 66sec 56555504204 4 9o 9CE 4 X 3839 9 93 A o8 Redi 4054055405 30 2g Mcr 30 D OPERATIOUN PCT as 30 Re PERSA dump eus bee 30 OY POP 30 ot ose 09 9 9 93 0 8 94 99 dd deduced de d BC IER EAR 31 To ertet PRSE 31 2 4 655955565 5556554455505 2332393 2 3 31 8 CUSTOMER INFORMATION AND 51 32 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 INTRODUCTION This manual describes the PowerWorx Type 70 Series Power Distribution Panels and provides installation test operation and maintenance procedures Two types of PowerWorx Type 70 power distribution fuse panels are available the tra
4. 70 series fuse panels contain two buses feeds that accept 24 Vdc 48 Vdc input power The traditional fuse panel is rated at 65 Amps input current per bus for a total output current of 130 Amps per fuse panel The uninterrupted fuse panel is rated at 60 Amps input current per bus but the total output current cannot exceed 60 Amps per panel During back up operation the uninterrupted can supply an output current of up to 30 Amps per bus or one half of the 60 Amps input current provided by the working power source Output Power Type 70 series fuse panels provide fuse protected output power with up to 8 fuse positions per bus The selectable current rating for each fuse can be standard amperage capacity type 70 fuses up to 10 Amps Type 70 series fuse panels incorporate several important features Self configuring input voltage 24 Vdc or 48 Vdc capability with up to 65 Amps per bus traditional fuse panel and 60 Amps per bus uninterrupted fuse panel to simplify installation and allow their use in most dc voltage applications A colored indicator that projects from the center of a blown type 70 fuse to quickly and easily identify the affected fuse position Alarm contact connections built into the fuse panel for connection to external visual audio and remote alarms e Field replaceable high brilliance Power On green and Alarm red LED indicators EBasily removable smoked plastic protective cover over connectors
5. November 2001 8 CUSTOMER INFORMATION AND ASSISTANCE Page 32 PHONE EUROPE Sales Administration 32 2 712 65 00 Technical Assistance 32 2 712 65 42 U S A OR CANADA Sales 1 800 366 3891 Extension 73000 Technical Assistance 1 800 366 3891 Extension 73475 ELSEWHERE Sales Administration 1 952 938 8080 Technical Assistance 1 952 917 3475 SYSTEM INTEGRATION DIVISION SID 1 952 294 3600 WRITE ADC TELECOMMUNICATIONS INC PO BOX 1101 MINNEAPOLIS MN 55440 1101 USA ADC EUROPEAN CUSTOMER SERVICE INC BELGICASTRAAT 2 1930 ZAVENTEM BRUSSELS BELGIUM PRODUCT INFORMATION AND TECHNICAL ASSISTANCE WWW ADC COM technical adc com Contents herein are current as of the date of publication ADC reserves the right to change the contents without prior notice In no event shall ADC be liable for any damages resulting from loss of data loss of use or loss of profits and ADC further disclaims any and all liability for indirect incidental special consequential or other similar damages This disclaimer of liability applies to all products publications and services during and after the warranty period This publication may be varified at any time by contacting ADC s Technical Assistance Center 2001 ADC Telecommunications Inc All Rights Reserved Printed in U S A
6. 1088905 Rev ADCP 80 524 Issue 1 November 2001 PowerWorx Type 70 Series Power Distribution Panel User Manual 17068 A Content Page NO TM nv nrc 3 NEU uu er Sed reside Paix dauid eS ud duca uds eee 3 3 OS SS MEQUE E TET T TIL TE 3 u riu Silu us 3 General Safety 1 4 luper CER RO TE ELT ET OTT T TS D TT TI TTL E 4 BM Lu 4 oo EE UP SRI CHOR IURE QE SEE eee 5 PEE E A ee x dd deo V dH Wer Qd ia add Rer 5 on oo 11 f 5 1 GENERAL CHARACTERISTICS AND FEATURES 8 SO 001 o l rr 10 1 2 Redundant Power Uninterrupted Power Fuse 10 Me 10 HP hs et 5 he 99 30 9 1 3 2 50 99 999 3 9 0 3 91
7. 16160 A Figure 19 Chassis Ground Connection Page 25 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 4 8 Output Power Connectors Note Before connecting the output or input power wires measure the resistance of each bus input connector as specified in Subsection 5 2 Resistance Test Connect the output BATT and RTN terminals for each fuse circuit on each set of terminal strips as follows see Figure 20 Screw down barrier terminal strip Use 12 to 22 AWG wire Wire leads should be equipped with crimp on spade lugs or ring connectors that have a maximum width of 0 325 inches 8 255 mm The terminals also accommodate copper wire without lugs insulation stripped back Torque the screws to approximately 9 pound force inches 1 Newton meter Set screw barrel terminal strip Use 12 to 24 AWG wire with insulation stripped back Tighten the screws to approximately 4 5 pound force inches 1 Newton meter Caution For screw down barrier terminal strip outputs use 12 AWG wire to prevent personnel contact with the voltages NEBs standard Class A2 CONNECT USING CRIMP ON SPADE LUGS OR RING CONNECTORS THAT HAVE A MAXIMUM WIDTH OF 0 325 IN 8 255 MM ON 12 TO 22 AWG WIRE OR USING 12 TO 22 AWG WIRE WITH INSULATION STRIPPED BACK TORQUE THE SCREWS TO APPROXIMATELY 9 POUND FORCE INCHES 1 NEWTON METER CONNECT TO OUTPUT POWER CIRCUITS CONNECT TO OUTPUT RETURN CIRCUITS 16766 A
8. Figure 20 Output Connector Connection Screw Down Barrier Terminal Strip Connectors Shown 4 9 External Alarm Contact Connectors Connect each set of external alarm contacts to a local alarm system as required see Figure 21 Wrap terminal block pins using 22 to 26 AWG copper wire with insulation stripped back Page 26 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 WRAP TERMINAL BLOCK PINS USING 22 26 AWG COPPER WIRE WITH INSULATION STRIPPED BACK NO C NC AUDIO VISUAL CONNECT TO CONNECT TO APPROPRIATE APPROPRIATE TERMINALS TERMINALS OF ALARMS OF ALARMS 16161 B Figure 21 Wire Wrap Alarm Contact Connection 4 10 Input Power Connectors Note Before connecting the input or output power wires measure the resistance at each bus input connector as specified in Subsection 5 2 Resistance Test Connect the input power wires to the input power connectors labeled BATT and connect the return wires to the return connectors labeled RTN for both buses in the fuse panel as shown in Figure 22 Connect input power to the appropriate power sources in accordance with applicable local electrical codes and or National Electrical Codes but do not apply power to the panel until directed to do so N Caution Connect only the input voltage wire the wire labeled BATTERY or BATT or labeled with the negative voltage polarity and or the voltage value to the connector on the fuse pan
9. 17 13 IN 43 51 19 0 IN 48 26 18 31 IN 46 51 CM Power Narx ey WOorx _ _ 10 AMP MAX sO a Qe i 0 1 13 IN 1 73 IN O oi e Ip 9 gt gt b 2 86 CM 4 39 CM 16157 B Figure 11 Dimensions of Type 70 Uninterrupted Power Fuse Panel with Mounting Brackets Attached for 19 Inch 48 26 cm Rack Mounting 1 20 Weight The weight of both the traditional and uninterrupted fuse panel is approximately 14 pounds 6 35 kilograms The actual weights are dependent upon the configurations of the panels 1 21 Color The color of the fuse panel and mounting brackets 1s either putty white or black 1 22 Mounting The fuse panel can be mounted in either a 19 or 23 inch 48 26 or 58 42 cm equipment rack Both the traditional and the uninterrupted panel are equipped with two sets one set for 19 1nch racks and one set for 23 inch racks of mounting brackets The panel can be flush mounted or recessed 1 2 3 or 4 inches 25 4 50 8 76 2 or 101 6 mm from the front of the rack The Page 16 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 mounting brackets allow mounting with WECO 1 00 inch 2 54 cm hole spacing EIA 1 25 inch 3 18 cm hole spacing The slotted mounting hole pattern in the mounting brackets compensates for vertical rack differences and allows mounting the fus
10. back of the card holder and press the card holder against the mounting surface Fill out one of the cards see Figure 8 with required circuit information and insert it in the card holder Page 28 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 4 13 Voltage Designation Label Write the voltage used in the fuse panel the voltage designation label see Figure 9 and attach the label to the back of the panel 5 TESTING A Caution This equipment employs electrical voltage and amperage levels which may be considered an electrical hazard Care should be exercised to assure that only qualified personnel are allowed to install operate maintain or otherwise come in contact with the fuse panel when it is energized Only insulated tools should be used on energized elements of the panel 5 1 Quality Control Each unit is thoroughly tested at the ADC factory The following tests are recommended however to assure that no damage has occurred during shipping or handling Both bus A and bus B circuits need to be tested The tests in Subsection 5 2 Resistance Test and Subsection 5 3 Wiring Connections Torque Measurements must be performed without power applied to the fuse panel 5 2 Resistance Test Caution Before performing this test verify that the input and output power is not applied to the fuse panel connectors Measure the resistance at each bus input connector using a multi meter connected to th
11. THE INCLUDED 2 HOLE LUGS WITH 2 AWG COPPER WIRE WITH INSULATION STRIPPED BACK OR USE APPROPRIATE OPTIONAL 2 HOLE LUGS AVAILABLE AS ACCESSORIES WITH APPROPRIATE SIZE AWG COPPER WIRE TORQUE THE NUTS TO APPROXIMATELY 16 POUND FORCE INCHES 1 8 NEWTON METERS HOT WIRE CONNECT INPUT RETURN WIRE LABELED RTN RETURN BATTERY GROUND POSITIVE POS OR NINA RS CONNECT INPUT VOLTAGE WIRE LABELED BATTERY seg Ss DIII AT NEGATIVE NEG OR AND OR THE VOLTAGE VALUE CAUTION CARE SHOULD BE TAKEN TO NOT REVERSE THE INPUT WIRES TO THE FUSE PANEL WITHIN THE FUSE PANEL THE INTERNAL BATTERY NEGATIVE VOLTAGE WIRING IS FUSED BUT THE INTERNAL RETURN WIRING IS NOT FUSED 16163 C Figure 22 Input Power Connection Compression Lug Connectors Shown 4 11 Designation Strips and Perforated Cards Separate the perforated strips from the card and mark the strip with the circuit designation fuse value for each circuit fuse on the bus Insert the perforated strip into the designation strip under the clear plastic and position the strip so that the designation on the perforated strip is positioned above the corresponding fuse 4 12 Fuse Designation Card Holder and Card Attach the fuse designation card holder to the fuse panel to one of the panel mounting brackets to a part of the rack or at a location close to the panel as desired Remove the backing from the
12. position within the maximum capacity of the bus total fuse load cannot exceed bus capacity The maximum fuse value that can be used in each fuse position 15 10 0 Amps which is marked on the front panel The type 70 fuse contains a colored indicator that designates the fuse value When the fuse blows the indicator extends out of the fuse to indicate that the fuse has blown Fuse panels are shipped without fuses installed Standard type 70 fuses are available from ADC Page 12 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 1 9 Power On Indicator A visual power on indicator green LED for each power bus is mounted on the front panel of the fuse panel A lighted LED indicates that power is applied to the bus input connectors An unlighted LED indicates that power is not applied to the bus input connectors The LED can easily be replaced in the field if it fails 1 10 Fuse Alarm Indicator A visual fuse alarm indicator red LED is provided on the front panel for each power bus The fuse alarm indicator lights when any fuse on the corresponding bus fails The fuse alarm indicator 15 off when all fuses on the corresponding bus are operational Loss of power to a bus will not cause the fuse alarm indicator corresponding to that bus to be lighted The LED can be easily replaced in the field if it fails 1 11 Alarm Contact Operation Each bus contains circuitry that opens and closes a set of alarm contacts whe
13. the width of the equipment rack into which the fuse panel will be installed 2 Orient the mounting brackets as shown in Figure 16 3 Attach the brackets to the sides of the fuse panel chassis using the eight 5 16 inch 7 94 mm flathead screws provided Tighten screws to 15 pound force inches 1 7 Newton meters of torque to insure grounding 4 Place the fuse panel in the specified mounting space within the rack 5 Secure the panel to the rack as shown in Figure 17 using the four 3 8 inch 9 525 mm long pan head screws and flat washers provided 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 BRACKETS TO PANEL USE 5 16 INCH 7 94 MM 8 32 THREAD FORMING FLAT HEAD SCREWS TO SECURE MOUNTING Za 19 INCH RACK MOUNTING BRACKET INSTALLATION N USE 3 8 INCH 9 53 MM LONG 12 24 SCREWS AND 12 FLAT e WASHERS TO SECURE MOUNTING BRACKETS TO RACK 23 INCH RACK MOUNTING BRACKET INSTALLATION Figure 16 Fuse Panel Mounting Brackets 16386 B Figure 17 Rear View of Typical Type 70 Fuse Panel Installation in Equipment Rack Page 23 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 4 6 General Wiring Recommendations gt P Page 24 Route and connect ground power and alarm cables to the panel connectors according to local practice and the specified procedures The connections to the fuse panel are shown in Figure 18 After routing t
14. two 2 Input connectors on the rear of the fuse panel through which Input power 15 applied The two Input power connectors are labeled battery and RTN return on the fuse panel The following types of input connectors are available Two hole compression lug stud type connectors Each connector consists of two studs mounted on a plated copper bar and two nuts Each set of studs can accept various size 2 hole lugs which can be used with a number of wire sizes ranging from 14 to 2 AWG copper wire Various lugs are available as accessories e Set screw barrel connectors Each connector has two 2 barrels On each connector the barrel that is closest to the outside of the fuse panel barrel without a cap is used to secure Page 11 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 the wire to the connector The barrel each connector that is closest to the center of the fuse panel barrel with a cap over it is not used or accessed The wire is inserted into the connector and the set screw is tightened down compressing the wire The set screw barrel connectors can accept up to 6 AWG copper wire 1 5 Output Voltage The output voltage will be the same voltage as the applied input voltage when the fuse does not fail 1 6 Output Connectors Each output circuit has two connectors through which the output power is accessed for connection to telecommunications equipment The following types of
15. 553 2 9 99321599 3095 dba a d dia edis 11 LB DUE OOS ood ERRARE oe ee SO ddr eU or oe ON De dcr 12 LB DUDDULLONEBEIOIS _J l s E Fn do r r Q ROROR or nq EORR Y Rep d d do 12 1 7 Chassis Ground 12 E eo RC mr re t 12 LS FONDONO 2 33334 3093 308 4565454055 65559556444 045 455405 559 405050004605 5 54 13 Page 1 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 Page 2 et ob bes eho bee ee eee ease 13 1 11 Alarm Contact Operation 13 1 12 Alarm Contact Connection 13 1 13 Fuse Designation Strips and Perforated 13 1 14 Fused Equipment Designation Card and 14 1 165 BOAO DOSMIONION Lonel a RU ES a E ES ees ES 14 LIB S00 Fil srera 14 LIT BEBO ot eee vee IS MSS Nd 15 LIB GO oid by aA ap LAS RE are She bleeds obese 15 LH BENE USATE MESS d bees PERENNE a RENE 15 rrr 16 asus dou
16. N BUS B RETURN CONNECTORS CONNECTORS Sener CONNECT OUTPUT CONNECT OUTPUT RETURN TERMINALS CONNECT TO RETURN TERMINALS TO OUTPUT EQUIPMENT TO OUTPUT RETURN CIRCUITS RACK RETURN CIRCUITS NOTE CONNECT INPUT VOLTAGE WIRE LABELED BATTERY NEGATIVE NEG OR AND OR THE VOLTAGE VALUE TO THE BATT CONNECTOR HOT WIRE NOTE CONNECT INPUT RETURN WIRE LABELED RETURN BATTERY GROUND POSITIVE POS OR BATTERY GROUND TO THE RTN CONNECTOR IBS Figure 18 Rear View of Type 70 Fuse Panel Cabling Panel with Compression Lug Input Connectors and Screw Down Barrier Terminal Strip Output Connectors Shown 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 47 Chassis Ground Connection Mounting the fuse panel on a metal equipment rack using the metal mounting brackets provided with the fuse panel provides a sufficient return path to meet equipment grounding requirements However a separate grounding conductor is often required by local practice or local inspectors A separate chassis grounding conductor is always needed when the fuse panel is mounted to non grounded or non conducting material such as a plastic rack or cabinet When the panel requires separate chassis grounding the chassis grounding conductor must be sized to match the upstream protection device feeding the panel This provides an adequate return path capable of allowing the fuse to fail in the un
17. PUT CONNECTORS 17067 A SET SCREW BARREL TYPE SHOWN Figure 1 PowerWorx Type 70 Traditional Fuse Panel with Protective Cover in Place Front and Rear Views Panel with 8 Fuses Installed on Each Bus Shown Page 6 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 HEAT SINK FUSE FAILURE INDICATOR BUSA RED LED FUSE VALUE DESIGNATION STRIP BUS B BUS ATYPE 70 BUSA FUSE FAILURE noo INDICATOR FUSE VALUE GREEN LED DESIGNATION TYPE 70 RIP BUS CC ME INDICATOR GREEN LED PROTECTIVE COVER IN PLACE OVER INPUT POWER OUTPUT POWER GROUND AND ALARM CONTACT CONNECTIONS UNIVERSAL MOUNTING BRACKETS 2 INSTALLED FOR 19 IN 48 76 CM RACK MOUNTING 16149 B Figure 2 PowerWorx Type 70 Uninterrupted Fuse Panel with Protective Cover in Place Front and Rear Views Panel with 8 Fuses Installed on Each Bus Shown Page 7 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 1 GENERAL CHARACTERISTICS AND FEATURES This section describes the general characteristics and features of the traditional and uninterrupted fuse panels The front of a typical traditional power fuse panel is shown in Figure 3 The front of a typical uninterrupted power fuse panel 15 shown in Figure 4 The rear side of the traditional power fuse panel with protective cover removed to view the optional connections is shown
18. ditional power distribution fuse panel and the uninterrupted power distribution fuse panel Within this manual the fuse panels are referred to as the traditional fuse panel and uninterrupted fuse panel Revision History ISSUE DATE REASON FOR CHANGE Issue 1 11 2001 Original Trademark Information ADC and PowerWorx are registered trademarks of ADC Telecommunications Inc Standards Type 70 series fuse panels are compliant with all major standards including UL NEC 1999 and CSA standards The fuse panel design places great emphasis on high reliability and simplicity of operation Admonishments Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided The admonishments in the form of Dangers Warnings and Cautions must be followed at all times These warnings are flagged by use of the triangular alert icon seen below and are listed in descending order of severity of injury or damage and likelihood of occurrence A Danger Danger is used to indicate the presence of a hazard that will cause severe personal injury death or substantial property damage if the hazard is not avoided Warning Warning is used to indicate the presence of a hazard that can cause severe personal injury death or substantial property damage if the hazard is not avoided g
19. e BATT and RTN input terminals A resistance of at least 500 ohms should be read on the meter some meters will indicate a resistance of several Megohms because their input voltage is not high enough to break down the forward conductance of the diodes used in the alarm circuit Any resistance higher than 500 ohms is acceptable 5 3 Wiring Connections Torque Measurements Measure the torque of all input output and fuse failure alarm relay contact connections included in the non powered testing paragraphs above using a torque screwdriver that is calibrated in pound force inches or Newton meters The torque specifications are printed on the rear of the fuse panel adjacent to each connector 5 4 Power Indication Test After checking input resistance and verifying the wiring connections torque power may be applied to the fuse panel Upon power application the alarm indicators should not light unless there is a fuse that has failed The alarm relay contacts should provide an open circuit between the common C terminals and the normally open NO terminals and a closed circuit between the common C and normally closed NC terminals Page 29 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 5 5 Connection Polarity Test To verify that the input power wires are connected to the correct terminals measure the voltage between the input return connector RTN and the chassis ground using a multi meter The voltage sh
20. e dde S bose 16 PO ee ee oe ee ee a 16 1 23 Environmental Characteristics 17 mE 17 3 UNPACKING 1 18 IOP oun ss O cote eR da due dad dew e add qeu ad due v Bd qu qu duni dus 18 41 Recommended Installation Tools 18 4 2 Use of Screws in Installation 20 7 DOVO O J ur betas Eid EE RU aA S bb 21 4 4 Cable Management Bar Accessory for Fuse 21 35 SE SES 22 4 6 General Wiring Recommendations 24 4 7 Chassis Ground Connection 25 AS MUU Fon oe E 26 4 9 External Alarm Contact Connectors 26 4 10 Input Power 21 4 11 Designation Strips and Perforated Cards 28 4 12 Fuse Designation Card Holder and
21. e panel in either 1 75 or 2 inch 4 45 or 5 08 cm rack spaces 1 23 Environmental Characteristics The environmental characteristics of the PowerWorx Type 70 Series Power Distribution Fuse Panel are listed in Table 1 Table 1 PowerWorx Type 70 Fuse Panel Environmental Characteristics Fire rating All components UL94 V1 or better Acoustic noise dBA above ambient Heat dissipation fully loaded 40 watts maximum 65 A per bus 80 watts maximum 130 traditional panel total fuse panel load 2 ACCESSORIES The following accessories for the PowerWorx Type 70 fuse panel are available Standard Type 70 fuses with current capacity of from 0 2 Amp to 10 0 Amps Cable management bar with mounting screws Provides cable tie points Installed at rear of fuse panel by fastening ends of bar to both sides of the panel Four sizes of two hole compression lugs for 2 4 6 and 14 AWG wire for input power connection Kit of perforated fuse value designation cards and plastic covers Kit of fused equipment designation cards card holder and a plastic cover Page 17 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 3 UNPACKING AND INSPECTION Unpack and inspect the various components as follows 1 Inspect the exterior of the shipping container for evidence of handling that may have damaged the components in the container Unpack each container while carefully checking the con
22. el labeled BATT battery Connect only the input return wire the wire labeled RTN RETURN or BATTERY GROUND or labeled with the positive voltage polarity to the connector on the fuse panel labeled RTN return N Caution Caution should be taken to not reverse input wires to the fuse panel Within the fuse panel the internal battery negative voltage wiring is protected and the internal return wiring is not protected by fuses If the wires are reversed voltage could be present on the fuse panel chassis and current could flow through the unprotected return wiring in the fuse panel This condition can cause damage to equipment in the frame in which the fuse panel is installed and to equipment in adjacent frames Compression lug connectors Use the included 2 hole lugs with 6 AWG copper wire insulation stripped back or optional 2 hole lugs available as accessories with appropriate AWG copper wire Tighten the nuts to approximately 16 pound force inches 1 8 Newton meters Page 27 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 Set screw barrel connectors Use only the barrel connectors on each connector assembly that are closest to the outside of the fuse panel Use up to 6 AWG copper wire with insulation stripped back E Note Do not loosen the set screws in the two barrel connectors that are closest to the center of the panel Accessing these connectors may render the warranty void USE
23. eparate power buses feeds Each bus distributes the input power to the output power circuits In each bus circuit current flows from the input power bus through the fuse to the output power circuit A typical fuse panel block diagram is shown in Figure 7 The current capacity of each bus of the traditional power fuse panel is 65 Amps maximum The output fusing of the traditional fuse panel should not exceed 65 Amps per bus This provides a total capacity of 130 Amps per panel The maximum current per bus 15 marked on the fuse panel The current capacity of each bus of the uninterrupted power fuse panel is 60 Amps maximum However the output fusing of the uninterrupted fuse panel should not exceed 30 Amps per bus This provides a total capacity of 60 Amps per panel The maximum current per bus is marked on the fuse panel Each of the feed buses has a capacity of eight fuse positions Other fuse capacity configurations may be available by special order When a fuse fails the input power bus is disconnected from the corresponding output circuit This causes the alarm LED for the bus to light and also opens or closes the alarm relay contacts form C contacts 1 2 Redundant Power Uninterrupted Power Fuse Panel 1 3 Page 10 The uninterrupted power fuse panel provides redundant power to fused equipment through the use of Schottky steering diodes When power to one bus is interrupted the Schottky steering diodes enable the other bus to supp
24. esponding fuses Additional perforated strip cards and plastic covers can be ordered from ADC if required Page 13 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 1 14 Fused Equipment Designation Card and Holder Two fuse designation cards shown in Figure 8 and a card holder with a clear plastic cover are provided with the fuse panel The card holder may be attached to the fuse panel the fuse panel mounting brackets to the rack or a location close to the fuse panel One of the cards may be filled out with circuit information for each of the circuits and inserted in the card holder The card holder has a pressure sensitive adhesive backing for attachment Additional fused equipment designation cards card holders and plastic covers can be ordered from ADC if required POS LOCATION LOCATION 1 60 IN 4 06 CM 1 60 IN 4 06 CM 2 36 IN 2 36 IN 5 99 CM 5 99 CM 12486 C 20 POSITION CARD 10 POSITION A AND B CARD Figure 8 Fuse Designation Cards 1 15 Voltage Designation Label A voltage designation label shown in Figure 9 is provided with the fuse panel The label may be filled out with the actual voltage present on the buses and placed on the panel The voltage designation label has a pressure sensitive adhesive backing for attachment INPUT VDC 4 0 38 IN 0 96 CM 14228 A 1 00 IN 2 54 CM Figure 9 Voltage Designation Label 1 16 Material a
25. he cables tie them to the cable management bar optional accessory Replace the protective cover on the fuse panel after all the wiring connections are made and all tests are completed Caution Connect both buses of the fuse panel to only 24 Vdc or 48 Vdc Caution Connect only the input voltage wire the wire labeled BATTERY or BATT or labeled with the negative voltage polarity and or the voltage value to the connector on the fuse panel labeled BATT battery Connect only the input return wire the wire labeled RTN RETURN or BATTERY GROUND or labeled with the positive voltage polarity to the connector on the fuse panel labeled RTN return If the wires are reversed voltage could be present on the fuse panel chassis and current could flow through the unprotected return wiring in the fuse panel This condition can cause damage to equipment in the frame in which the fuse panel is installed and to equipment in adjacent frames CONNECT OUTPUT CONNECT OUTPUT POWER TERMINALS POWER TERMINALS TO OUTPUT CONNECT REMOTE TO OUTPUT POWER CIRCUITS ALARM TERMINALS POWER CIRCUITS TO REMOTE ALARMS CONNECT INPUT CONNECT TO EOWEE BONES CONNECTOR TO BUS B BATTERY NE GONNECIOBS BUS A BATTERY 2 4 5 6Y7 8 eielelelelelel eise jelelelelelejlel eee H 2 3 4 5 617 8 OUTPUT OUTPUT CONNECT TO RETURN RETUR
26. hen installing or modifying telephone lines disconnect lines at the network interface before working with uninsulated lines or terminals to prevent electrical shock 4 1 Recommended Installation Tools Use common hand tools such as a Phillips screwdriver a wire wrap gun and bits a wire stripper and a wire lug crimper to install the fuse panel In addition to these tools the following tools are recommended Page 18 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 Power screwdriver with Phillips head bit and slotted head PHILLIPS SCREW HEAD BIT 79 16776 Set of sockets and driver Set of open end or box end wrenches Page 19 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 Torque screwdriver calibrated in pound force inches or Newton meters with Phillips head bit and slotted head bit 16797 A 4 2 Use of Screws in Installation Package Caution When installing the fuse panel use only the hardware supplied with the panel Use of any other hardware could cause damage to the panel If parts are missing please contact ADC Several types of screws are provided with the fuse panel The screws used with the rack mounting brackets are thread forming screws which help to provide a solid ground path between the panel chassis and the rack Use the power screwdriver to install these screws 4 2 1 Screws to Attach Brackets to Fuse Pa
27. in Figure 5 The rear side of the uninterrupted power fuse panel with the protective cover removed to view the optional connections is shown in Figure 6 Options and features other than those described may be available by special order BUS A BUS A BUS B BUS B FUSE FAILURE POWER ON FUSE FAILURE POWER ON INDICATOR INDICATOR INDICATOR INDICATOR RED LED GREEN LED RED LED GREEN LED N O N b As sa MAX FUSE ALARM A FUSE ALARM B e FUGE OOOOOOOEC OOOOOOO HOT SURFACE 16151 BUS A TYPE 70 BUS B TYPE 70 FUSE HOLDER FUSE HOLDER 8 PER BUS 8 PER BUS Figure 3 ADC PowerWorx Type 70 Traditional Fuse Panel Front View Panel with 8 Fuses Installed on Each Bus Shown BUS A BUS A BUS A BUS B BUS B BUS B FUSE FAILURE FUSE VALUE POWER ON FUSE FAILURE FUSE VALUE POWER ON INDICATOR DESIGNATION INDICATOR INDICATOR DESIGNATION INDICATOR RED LED STRIP GREEN LED RED LED STRIP GREEN LED O USE C OG 00090009 000965 CAUTION HOT SURFACE 16152 B BUS ATYPE 70 BUS B TYPE 70 FUSE HOLDER FUSE HOLDER 8 PER BUS 8 PER BUS Figure 4 PowerWorx Type 70 Uninterrupted Fuse Panel Front View Panel with 8 Fuses Installed on Each Bus Shown 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001
28. likely event of a battery wire to chassis fault Connect one or both of the chassis ground connectors labeled C GND to the equipment rack ground see Figure 19 using the following chassis grounding recommendations Chassis grounding conductor connection point Two 10 studs with nuts on 0 625 inch 15 875 mm centers are provided for connecting a grounding conductor to the fuse panel Chassis ground conductor Use two 10 AWG wires if using both chassis ground connectors or one 6 AWG wire if using one chassis ground connector Two 10 crimp ring terminals for use with 10 AWG wires are included with the fuse panel e Place the ring terminals over the chassis grounding studs and tighten the stud nuts to approximately 15 pound force inches 1 7 Newton meters of torque Connect the ground conductors to an approved office ground source per local code or practice USE TWO 10 AWG WIRES IF USING BOTH CHASSIS GROUND CONNECTORS OR ONE 6 AWG WIRE IF USING ONLY ONE CHASSIS GROUND CONNECTOR TWO 10 CRIMP RING TERMINALS FOR ATTACHING THE 10 WIRES TO THE CHASSIS CONNECTORS ARE PROVIDED WITH THE FUSE PANEL PLACE THE RING TERMINALS OVER THE CHASSIS SCREWS AND TIGHTEN THE NUTS DOWN ON THE TERMINALS IF NOT USING TERMINALS WRAP THE WIRE S AROUND THE CHASSIS SCREW S AND TIGHTEN THE NUTS DOWN ON THE WIRES CONNECT THE WIRE S TO THE EQUIPMENT RACK GROUND SCREW AND NUT C O q GROUND SCREW AND NUT C GN C GND
29. ly power to the entire fuse panel and to maintain output power for both buses bus A and bus B If bus A loses power bus B will support the power load of bus A while maintaining its original power load Likewise if bus B loses power bus A will support the power load of bus B while maintaining its original power load Input Voltage The fuse panel can accommodate either 24 Vdc on both buses 48 Vdc on both buses The voltage level is sensed by the fuse panel circuitry The input voltage used with the fuse panel can have the following characteristics 24 Vdc nominal within range of 21 Vdc to 30 Vdc 48 Vdc nominal within range of 42 Vdc to 56 Vdc Fuse panels for use with other input voltage and polarity power may be available by special order 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 24V 48V BATTERY RETURN BATTERY A RETURN A O OI N cc a an ma a oo NE LL NO Ut x C j SYSTEM ALARM D POWER A LED CONNECTIONS RETURN A D FUSE ALARM A LED C NO e e n D POWER B LED RETURN B FUSE ALARM B LED RETURN 2 cM 4 TJ 16758 Figure 7 PowerWorx 70 Fuse Panel Block Diagram Traditional Power Fuse Panel Shown 1 4 Input Connectors Each bus 1s equipped with
30. n any fuse on the bus fails or when the input power to the bus 15 lost These contacts may be used to open or close a loop connected to an external alarm system The alarm circuitry provides Form C alarm relay contacts During normal operation the normally open NO contacts remain open and the normally closed NC contacts remain closed When a fuse fails on either bus or power to either bus is lost the NO contacts close creating a connection between NO and common C and the NC contacts open creating an open circuit between NC and common The current rating for each set of alarm relay contacts three sets are provided is 1 0 Amp maximum 1 12 Alarm Contact Connection Alarm contact connections are provided through three sets of wire wrap pins located on the rear side of the fuse panel Each set of wire wrap pins 1s labeled with a suggested use for monitoring the fuse panel audio visual and remote The wire wrap pins can accept 22 to 26 AWG copper wire 1 13 Fuse Designation Strips and Perforated Cards Plastic designation strips with clear plastic covers are mounted above the fuse holders for each bus Four card sheets each with three perforated strips are provided with the fuse panel The perforated strips may be marked with the circuit designations fuse values for each circuit fuse on the bus The perforated strips are then inserted into the designation strips so that the information on the perforated strip is positioned above the corr
31. nd Finish The fuse panel chassis and brackets are made of 16 gauge cold rolled steel The panel and brackets are finished with powder paint Page 14 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 1 17 Cooling Vent openings are provided in the top and bottom of the fuse panel The vent openings allow convection cooling of all components without the use of fans or blowers 1 18 Protective Cover A smoked plastic protective cover is mounted over the input power connectors the output power connectors the chassis ground terminals and the external alarm contact connections To access the connectors and terminals the cover may be easily removed by loosening but not removing four screws 1 19 Dimensions The dimensions of the traditional power fuse panel are shown in Figure 10 The dimensions of the uninterrupted power fuse panel are shown in Figure 11 10 01 IN 25 42 CM 11 35 IN 28 82 CM 17 13 IN x 43 51 CM gt 19 0 IN 48 26 CM 18 31 IN 46 51 CM 1 13 IN 1 75IN 2 86 CM 4 45 CM 16158 B Figure 10 Dimensions of Type 70 Traditional Power Fuse Panel with Mounting Brackets Attached for 19 Inch 48 26 cm Rack Mounting Page 15 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 LOH 10 01 IN 25 42 11 35 IN 28 82
32. nel To fasten the mounting brackets to the fuse panel use the 5 15 inch 7 94 mm long black chromate finish 8 32 flat head screws as shown in Figure 12 Eight screws four for each bracket are provided THREAD FORMING SCREW FLAT HEAD UNDERCUT PHILLIPS DRIVE Y 5 16 IN 7 936 mm 8 32 THREAD 16977 A x Figure 12 Screw for Attaching Brackets to Power Panel Chassis 4 2 2 Screws to Attach Brackets to Rack To fasten the mounting brackets to the rack use the four nickel plated 12 24 screws as shown in Figure 13 Four screws two for each bracket are provided Page 20 2001 ADC Telecommunications Inc 4 3 4 4 ADCP 80 524 Issue 1 November 2001 PAINT CUTTING TAPPING SCREW PAN HEAD COMBINATION DRIVE 4 3 8 IN 9 53 mm 12 24 THREAD 16592 A Figure 13 Screw for Attaching Bracket to Rack 4 2 3 Screws to Attach Protective Cover to Fuse Panel To fasten the plastic protective cover over the power connections use the tin plate finish 6 32 pan head screws shown in Figure 14 Four screws two for each end are provided MACHINE SCREW PAN HEAD PHILLIPS DRIVE 3 8 IN 9 53 mm 4 6 32 THREAD 16593 B Figure 14 Screw for Attaching Protective Cover to Fuse Panel Protective Cover The protective cover should be installed over the connectors at the rear of the fuse panel when all the wiring connections and tests are completed To install the plastic p
33. ould be less than 2 0 Vdc If the voltage is more than 2 0 Vdc reverse the input power wires and measure the voltage between the input return connector RTN and the chassis ground again to determine that the voltage is less than 2 0 Vdc 9 6 Fuse Alarm Test Place a fuse that has failed in one of the fuse positions on each bus The visual fuse alarm indicators LED for the bus will change from unlighted to a red light and the fuse failure alarm relay will operate Replace the failed fuses with known good fuses 6 OPERATION A Caution This equipment employs electrical voltage and amperage levels which may be considered an electrical hazard Care should be exercised to assure that only qualified personnel are allowed to install operate maintain or otherwise come in contact with the fuse panel when it is energized Only insulated tools should be used on energized elements of the panel All fuse panel circuits are operational as soon as power is applied to the input connectors The alarm indicator should not light when power is applied Operation of the fuse panel consists of removing and replacing fuses when they fail If a fuse fails the alarm LED indicator for the bus lights and the external and remote alarms are activated if present 7 MAINTENANCE 7 1 30 A Caution This equipment employs electrical voltage and amperage levels which may be considered an electrical hazard Care should be exercised to assure that onl
34. output connectors are available Screw down barrier terminal strip Eight terminals with 6 32 screws are mounted in two barrier type terminal strips per bus one strip for input and one strip for return The terminals are on 0 375 inch 9 525 mm centers with a maximum distance between barriers maximum connecting terminal width of 0 325 inch 8 255 mm Terminals can accept 12 to 22 AWG copper wire with crimp on spade lug or ring connectors or wires with the insulation stripped back Set screw barrel terminal strip Eight barrel terminals are mounted in two set screw barrel terminal strips per bus one strip for input and one strip for return The terminals are on 0 197 inch 5 004 mm centers Terminals can accept 12 to 26 AWG copper wire with insulation stripped back 1 7 Chassis Ground Connection Two 10 studs mounted on 0 625 inch 15 875 mm centers are provided for grounding the fuse panel chassis This chassis ground connection can be used to attach a separate grounding conductor when mounting the fuse panel in non grounded or non conducting material or when required by local practice The studs can accommodate 2 hole lugs and up to 6 AWG wire Two crimp ring lug terminals for use with 10 AWG wire are enclosed with the fuse panel The fuse panel can be properly grounded using only one grounding stud 1 8 Fuses The fuse panel accommodates industry standard type 70 fuses with values from 0 02 Amp to 10 0 Amps in any fuse
35. parts of the fuse panel If parts are missing please contact Note A fuse panel with the cable management bar attached may exceed the 12 Inch 3 05 mm overall depth objective described in GR 63 CORE 02 14 MOUNTING BRACKET INSTALLED FOR 19 IN 48 26 CM RACK MOUNTING ATTACH TO EITHER SET OF 3 HOLES CABLE MANAGEMENT BAR 16387 B Figure 15 Cable Management Bar Installation Uninterrupted Power Fuse Panel Shown Rack Mounting The fuse panel can be mounted in either a 19 or 23 inch 48 26 or 58 42 cm wide rack Two sets of mounting brackets one set for 19 inch racks and one set for 23 inch racks are provided with the fuse panel Eight 5 16 inch 7 94 mm long thread forming Phillips drive 8 32 flat head screws are provided for attaching the mounting brackets to the panel Four 3 8 inch 9 53 mm long Phillips drive 12 24 pan head screws with 12 flat washers are provided for attaching the mounting brackets to the equipment rack Caution When attaching the mounting brackets to the fuse panel use only the 5 16 inch 7 94 mm long black chromate finish thread forming flathead screws provided with the panel Use of any other hardware could cause contact with internal parts of the panel If parts are missing contact ADC to order replacement parts Use the following procedure to install the fuse panel in the equipment rack 1 Select the set of mounting brackets 19 or 23 inch that correspond to
36. rotective cover thread the four 3 8 inch 9 53 mm long Phillips drive 6 32 pan head screws into the standoffs located on each output power screw down barrier strip Rotate each screw approximately two turns to get it started Hold the cover so the lettering is oriented properly and then place the cover over the screw heads Slide the cover to the left and then tighten the screws To remove the protective cover loosen but do not remove the four screws that secure the cover to the panel Slide the cover to the right and then pull the cover directly outward and away from the panel The screws do not need to be completely removed to remove the protective cover Cable Management Bar Accessory for Fuse Panels Before installing the fuse panel in the rack mount the cable management bar accessory item on the rear of the panel as shown in Figure 15 Use the 0 25 inch 6 35 mm long 4 40 screws provided to secure the cable management bar to the panel Tighten all screws to 9 pound force inches 1 Newton meter of torque to insure grounding The cable management bar can be recess mounted by using the mounting holes closest to the front of the fuse panel Page 21 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 4 5 22 Caution When attaching the cable management bar to the fuse panel use only the hardware supplied with the cable management bar Use of any other hardware could cause contact with internal
37. t A Caution Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property damage if the hazard is not avoided Page 3 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 General Safety Precautions A A A Caution The fuse panel uses electrical voltage and amperage levels which per GR 1089 may be considered an electrical hazard Care should be exercised to assure that only qualified personnel are allowed to install operate maintain or otherwise come in contact with this equipment when the panel is energized Only insulated tools should be used on energized elements of the panel Caution All fuse panel wiring and cabling should be connected with the system office battery input off or disconnected at the office distribution panel Caution replacement fuse must be the same type and must have exactly the same current rating as the fuse being replaced Important Product Features Page 4 Both the traditional and uninterrupted fuse panel provide dc power over two separate buses feeds However with the uninterrupted fuse panel when one bus loses Input power the other bus supplies the output power for both buses Application Type 70 series fuse panels are used to supply protected dc power to the various types of telecommunications products typically used in central offices multimedia headends remote sites and other locations Input Power
38. tective cover in place is shown in Figure 1 A typical uninterrupted power fuse panel with protective cover in place is shown in Figure 2 Fuse panels are shipped without fuses The required fuses are available separately as accessory items All fuse panels are available with the following options Two types of output connectors screw down terminal strip connectors or set screw barrel terminal strip connectors Two types of input connectors are available two hole compression lug stud type or set screw barrel connectors The fuse panel color is either putty white or black color The following accessories are available Standard type 70 fuses with standard values from 0 2 Amp to 10 0 Amps Cable management bar kit Four sizes of compression connector lugs for input power connections Fused equipment designation card kit Fuse designation card kit Page 5 2001 ADC Telecommunications Inc ADCP 80 524 Issue 1 November 2001 UL CSA CE FUSE FAILURE INDICATOR RED LED INDICATOR GREEN LED FUSE FAILURE INDICATOR FUSE HOLDER 8 5 POWER ON INDICATOR BUS 70 GREEN LED FUSE HOLDER 8 PER BUS BUS B INPUT CONNECTORS SET SCREW UNIVERSAL BARREL TYPE PROTECTIVE COVER MOUNTING BRACKETS 2 SHOWN IN PLACE OVER INSTALLED FOR 19 IN OUTPUT POWER GROUND 48 76 CM RACK MOUNTING AND ALARM CONTACT CONNECTIONS BUS A IN
39. tents for damage and verify with the packing slip File a claim with the commercial carrier and notify ADC Customer Service if damage is detected or if parts are missing Save damaged cartons for inspection by the carrier Refer to Section 8 Customer Information and Assistance at the back of this manual for repair replacement and warranty information Save all shipping containers for use if the equipment requires return shipment at a future date 4 INSTALLATION Fuse panels must be installed in a central office equipment room or restricted access location The following guidelines should be used when mounting the fuse panel in a rack Mount the fuse panel in the uppermost area of the rack to reduce exposure of the power wiring Provide a minimum of 1 75 inches 4 45 cm of air space one rack space between the top of the fuse panel and the next item in the rack for cooling Adding a fuse panel to a rack may displace a device which may require relocation A Caution This equipment employs electrical voltage and amperage levels which may be considered an electrical hazard Care should be exercised to assure that only qualified personnel are allowed to install operate maintain or otherwise come in contact with this equipment when fuse panel is energized Only insulated tools should be used on energized elements of the fuse panel Warning Never install telephone equipment in a wet location or during a lightning storm W
40. to enhance safety and panel accessibility Two post grounding to ensure robust and reliable ground connectivity 2001 Telecommunications Inc ADCP 80 524 Issue 1 November 2001 Standard Equipment Options Accessories Type 70 series fuse panels have two power buses feeds The capacity of each bus is eight fuse positions with up to 10 Amps per fuse position within the maximum bus capacity Each bus has Power On and Alarm indicators on the front of the chassis and input output ground and alarm contact connections on the rear of the chassis The current capacity of each bus of the traditional power fuse panel is 65 Amps maximum 130 Amps per panel The current capacity of each bus of the uninterrupted power fuse panel is 60 Amps maximum 60 Amps per panel The power dissipation of each fuse panel is 40 watts maximum at 130 Amps The dimensions of each fuse panel are 1 75 inches 4 45 centimeters high 17 13 inches 43 51 centimeters wide and 10 01 inches 25 42 centimeters deep does not include depth of protective cover and connectors fuses and visual indicators that extend beyond the chassis Two sets of mounting brackets are provided with each fuse panel one set for 19 inch 48 3 cm rack installations and one set for 23 inch 58 4 cm rack installations The fuse panel can be flush or recess mounted in equipment racks with WECO or hole spacing A typical traditional power fuse panel with pro
41. y qualified personnel are allowed to install operate maintain or otherwise come in contact with the fuse panel when it is energized Only insulated tools should be used on energized elements of the panel Inspection Inspect the fuse panel periodically every six months is recommended for damage to the fuses damaged or broken wires on the power outputs and the external alarm connections Inspect for excessive dust and dirt that block the vents 2001 ADC Telecommunications Inc 7 2 Cleaning ADCP 80 524 Issue 1 November 2001 If excessive dirt is found during the inspection brush or wipe dust and dirt from the fuse panel with a soft bristle brush or soft cloth Care should be taken not to damage the fuses or any Wiring 7 3 Adjustments No adjustments in the field are indicated or required If a circuit is not operating properly contact ADC Customer Assistance see Section 8 Customer Information and Assistance 1 4 LED Replacement The power on and fuse alarm LEDs may be replaced as follows l 2 Pull LED out slowly from the front of the fuse panel Disconnect both tabs on the LED from the mating terminals quick connects or fastons on the wires On the replacement LED connect the tin tab to the mating terminal on the red wire and connect the brass tab to the mating terminal on the black wire Push the LED back into the panel Page 31 2001 Telecommunications Inc ADCP 80 524 Issue 1

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