se-135 manual ground-fault ground-check monitor
Contents
1. 1 000 5 A Insulation 600 V Class Window Diameter 63 mm 2 5 Shipping Weight 690 g 1 5 Ib SE CS10 4 Current Ratio 1 000 5 A Insulation 600 V Class Window Diameter 108 mm 4 2 Shipping Weight 1 9 kg 4 3 Ib SE CS10 6 Current Ratio 1 000 5 A Insulation 600 V Class Window Diameter 160 mm 6 3 Shipping Weight 2 2 kg 4 8 lb Littelfuse STARTCO SE CS10 8 Current Ratio Insulation Window Diameter Shipping Weight SE CS40 6 Current Ratio Insulation Window Diameter Shipping Weight Certification Compliance NOTES 1 000 5 A 600 V Class 209 mm 8 2 2 2 kg 4 8 Ib 800 1 A 600 V Class 160 mm 6 3 1 8 kg 4 0 Ib CE European Union 4 60044 1 RoHS Pending 0 When connected to an SE 135 5 3 TERMINATION ASSEMBLIES SE TA12A Characteristic Circuit Type Reverse Voltage Forward Voltage Operating Temperature Current Range2. Maximum Clamping Voltage ient Power Rating Screw Terminal Dimensions Shipping Weight SE TA12A WL Characteristic Circuit Type Reverse Voltage Forward Voltage Operating Temperature Current Range Maximum Clamping Voltage zuo Power Rating 12 V Zener Temperature Compensated High Current Shunt Regulator 12 0 03 Vdc 100 mA 0 5 40 1 Vdc 100 mA 40 to 60 C 40 to 140 F 2mA to25A 55 V 250 A 5x20 us Pulse 50W 6 32 x 0 25 105 x 40 x 41 5 mm 4 13 x 1 57 x 1 63 300 g 0 7 Ib 12 V Zener Temperature Compensated High Current Shunt Regulator 12 0 03 Vdc 100 mA 0 5 0 1 Vdc 100 mA 40 to 60 C 40 to 140 F 2mAto25A 55 V 250 A 5x20 us Pulse SE 135 Ground Fault Ground Check Monitor Wire Leads Dimensions Shipping Weight SE TA12ASF WL Characteristic Circuit Type Reverse Voltage Forward Voltage Operating Temperature Current Range Maximum Clamping Voltage Power Rating Wire Leads Dimensions
3. Littelfuse STARTCO 5 TECHNICAL SPECIFICATIONS 5 1 SE 135 Supply Option O eee 25 VA 120 240 Vac 10 4596 50 400 Hz 15 W 110 250 Vdc 10 25 Option 1 15 W 24 48 Vdc 50 25 20 VA 48 Vac 10 55 50 100 Hz Ground Fault Circuit Digital Filter 50 to 60 Hz Bandpass 3 dB Frequency Response 30 to 90 Hz Trip Level Settings SE CS10 x 50 75 1 0 1 5 2 0 2 5 3 0 5 0 7 5 10 0 and 12 5A SE CS40 x 2 3 4 6 8 10 12 20 30 40 and 50A Trip Time Settings 10 20 30 40 50 70 1 0 1 3 1 6 2 0 and 2 5s Thermal Withstand SE CS10 x 150 A Continuous 1 000 A for 2 5 s Ground Fault Current SE CS40 x 600 A Continuous 4 000 A for 2 5 s Ground Fault Current Sensor Lead Resistance 2 maximum Trip Level Accuracy SE CS10 x 5 or 0 1 A SE CS40 x 5 or 0 4 A Trip Time Accuracy 50 15 ms Sensor Verification Enabled or Disabled Sensor Fault Detection Open and Short Trip Latching Ground Check Circuit Open Circuit Voltage 30 Vdc Output Impedance 136 Q Loop Current 105 mA Induced ac Withstand 60 Vac Continuous 120 Vac fo
4. Shipping Certification NOTES Weight Page 17 Rev 3 C 100314 14 AWG 2 08 mm 356 mm 14 105 x 40 x 22 2 mm 4 13 x 1 57 0 87 300 g 0 7 Ib 12 V Zener Temperature Compensated High Current Shunt Regulator 12 0 03 Vdc 100 mA 0 5 40 1 Vdc 100 mA 40 to 60 C 40 to 140 F 2mA to 15 55 V 250 A 5x20 us Pulse 12W 18 AWG 0 82 mm 300 mm 11 8 58 8 x 19 x 12 7 mm 2 32 x 0 75 x 0 5 45 g 0 1 Ib CSA Canada and USA e LR 53428 05 UL Listed LISTED Ground Fault Sensing and Relaying Equipment 4FX9 40889 European Union 0 When connected to an SE 135 Littelfuse STARTCO 6 ORDERING INFORMATION SE 135 Network Communications 0 None 3 Ethernet Power Supply 0 Universal ac dc Supply 1 24 to 48 Vdc Supply Ground Check Options Blank Standard Extended GC Trip Resistance All options include CE C Tick unless otherwise stated CE C Tick models include a ferrite kit CE C Tick not available Not available with Ethernet network communications option 2 3 Ground Check Termination 5 12 50 W Termination Assembly with Screw Terminals SE TAI12A WL 50 W Termination Assembly with Wire Leads 5 12 5 12 W Small Format Termination Assembly with Wire Leads
5. 3 4 Installation esee 3 General uai ere eere 3 4 2 Monitor ener nter 3 4 3 Current Sensors T 3 4 4 Termination Assembly sss 3 4 5 Remote Operation sese 3 4 6 Parallel Path Isolation 4 4 7 Ferrite Placement 4 5 Technical Specifications 15 SETIS nested ele UE 15 5 2 Current Sensors essere 16 5 3 Termination Assemblies 17 6 Ordering Information 18 7 Warranty neret preci 18 8 Test Procedures 19 8 1 Ground Check Trip Tests 2 22 19 8 1 1 Latching Ground Check Trip Test 19 8 1 2 Non Latching Ground Check Trip Test 19 8 2 Trip Relay Fail Safe Mode Test 19 8 3 Current Sensor Verification Test 19 8 4 SE TA12A Series Termination Assembly yi m 19 8 5 Ground Fault Performance Test 20 SE 135 Ground Fault Ground Check Monitor Page ii Rev 3 C 100314 LIST OF FIGURES FIGURE PAGE 1 SE 135 Typical Application 4 2 SE 135 Outline and Panel Mounting Details
6. 5 3 SE 134 SMA Surface Mount Adapter and SE 135 Surface Mounting Details 6 4 SE IP65CVR G Weatherproof Cover Outline 7 5 SE IP65CVR G Weatherproof Cover Installation 8 6 SE CS 10 and SE CS40 Current Sensors 9 7 SE TA12A and SE TA12A WL Termination Assemblies irre L 10 8 SE TAI2ASF WL Small Format Wire Lead Termination Assembly 11 9 RK 132 Remote Indication and Reset Kit 11 10 PPI 600V Parallel Path Isolator 12 11 PPI 600V Typical Installation 13 12 SE 135 with Ferrites Installed 14 13 Current Sensor Shield Connection 14 14 Ground Fault Test Circuit 21 15 Termination Assembly Test Circuits 21 LiST OF TABLES TABLE PAGE 1 Coil Address ect 2 2 Holding Register Address 2 3 Ground Fault Test Record 20 DISCLAIMER Specifications are subject to change without notice Littelfuse Startco is not liable for contingent consequential damages or for expenses sustained as a result of incorrect application incorrect adjustment or a malfunction WA Littelfuse Page it STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 This page i
7. Current Sensors SE CS10 2 5 Current Sensor 63 mm 2 5 window SE CS10 4 Current Sensor 108 mm 4 2 window SE CS10 6 Current Sensor 160 mm 6 3 window SE CS10 8 Current Sensor 209 mm 8 2 window SE CS40 6 Current Sensor 160 mm 6 3 window Parallel Path Isolator PPI 600V For system voltages up to 600 Vac SE 135 Ground Fault Ground Check Monitor Page 16 Rev 3 C 100314 Accessories RK 132 Remote Indication and Reset includes two 24 120 V pilot lights a reset push button and legend plates SE IP65CVR G Hinged transparent cover IP65 SE 134 SMA Surface Mount Adapter included with SE 135 SE 134 HDWR Hardware Kit excludes ferrites and SE 134 SMA included with SE 135 7 WARRANTY The SE 135 Ground Fault Ground Check Monitor is warranted to be free from defects in material and workmanship for a period of five years from the date of purchase Littelfuse Startco will at Littelfuse Startco s option repair replace or refund the original purchase price of an SE 135 that is determined by Littelfuse Startco to be defective if it is returned to the factory freight prepaid within the warranty period This warranty does not apply to repairs required
8. SEAL WIRE 127 0 5 00 FRONT VIEW SIDE VIEW NOTES DIMENSIONS SHOWN IN MILLIMETRES INCHES SHOWN WITH WEATHERPROOF SNAPS CLOSED REFERTO PANEL MOUNTING CUTOUT FIGURE 2 FOR PANEL MOUNTING DETAIL FIGURE 4 SE IP65CVR G Weatherproof Cover Outline Littelfuse Page 8 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 INSTALL O RING INTO GROOVE INTHE REAR OF WEATHERPROOF WINDOW INSERT THE SE 135 THROUGH OPENING OF THE WEATHERPROOF WINDOW UNTIL IT IS SECURELY NESTED TO THE BACK OF THE DARK GREY PVC PANEL INSTALL O RING INTOTHE GROOVE INTHE REAR OF WEATHERPROOF WINDOW ASSEMBLY FRONT PANEL DETAILS NOT SHOWN INSERT ASSEMBLY INTO PANEL AND FASTEN WITH THE HARDWARE PROVIDED WITHTHE SE 135 FIGURE 5 SE IP65CVR G Weatherproof Cover Installation Littelfuse Page 9 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 SE CS10 6 SE CS10 8 4 AND SE CS40 6 B Y SE CS10 2 5 AND SE CS10 4 TOP MOUNTING DETAIL TERMINAL LOCATION E FRONT SIDE NOTES 1 DIMENSIONS IN MILLIMETRES INCHES 3 EN 60044 1 COMPLIANT 2 RoHS
9. COMPLIANCE PENDING DIMENSIONS MOUNTING PART SCREW NUMBER A B C D E F G H J SE CS10 2 5 63 5 2 50 135 1 5 32 124 0 4 88 72 6 2 86 279 1 10 69 9 2 75 54 4 2 14 8 32 88 9 3 50 N A SE CS10 4 108 0 4 25 184 0 7 24 169 9 6 69 77 2 3 04 32 5 1 28 123 7 4 87 60 5 2 38 M4 8 32 138 2 5 44 138 2 5 44 SE CS10 6 SE CS40 6 160 3 6 31 229 0 9 00 215 9 8 50 101 6 4 00 31 8 1 25 165 0 6 50 73 2 2 88 M10 0 375 171 5 6 75 171 5 6 75 SE CS10 8 209 5 8 25 279 4 11 00 266 7 10 50 108 7 4 28 38 9 1 53 225 0 8 86 80 0 3 15 M10 0 375 200 7 790 200 7 790 FIGURE 6 SE CS10 and SE CS40 Current Sensors WA Littelfuse Page 10 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 SE TA12A ISI 12 0 105 Monitor Model SE 135 Use with Ground Fault Ground Check SE TA12A TERMINATION ASSEMBLY Littelfuse STARTCO STARTCO TERMINATION ASSEMBLY Rating Serial No DB140303440 CEAS F Littelfuse Revision 03 SE TA12A LR 53428 4 5 0 18 C BORE 10 0 0 39 3 2 0 13 DEEP FRONT MOUNTING DETAIL NOTES 1 DIMENSIONS IN MILLIMETRES INCHES 2 MOUNTING SCREWS M4 OR 8 32 3 TERMINAL SCREWS 6 32 x 0
10. GC The monitor will reset 8 2 TRIP RELAY FAIL SAFE MODE TEST Connect the monitor current sensor and termination device as shown in Fig 14 With supply voltage applied the POWER SENSOR and VALID LED s will be on The output contacts between terminals 22 and 23 will be open and between 24 and 25 will be closed Remove the supply voltage The output contacts between terminals 22 and 23 will close and the output contacts between terminals 24 and 25 will open 8 3 CURRENT SENSOR VERIFICATION TEST Connect the monitor current sensor and termination device as shown in Fig 14 With supply voltage applied the POWER SENSOR and VALID LED s will be on Open the current sensor circuit by disconnecting one of the sensor leads The monitor will trip The trip contacts terminals 22 23 and 24 25 and the ground fault indication contacts terminals 19 20 and 19 21 will change state The GROUND FAULT TRIP LED will be on and the SENSOR LED will be off Reconnect the current sensor The GROUND FAULT TRIP LED will stay on and the SENSOR LED will flash The output contacts will remain latched Reset the monitor Short the current sensor by connecting terminals 16 and 17 monitor will trip trip contacts terminals 22 23 and 24 25 and the ground fault indication contacts terminals 19 20 and 19 21 will change state The GROUND FAULT TRIP LED will be on and the SENSOR LED will be off Remove the short from terminals 16 and 17 Th
11. The VALID LED will be off and both the GROUND CHECK TRIP and the SHORT LED s will be on Remove the short from G to GC The VALID and TRIP LED s will be on and the SHORT LED will be flashing The TRIP contacts terminals 22 23 and 24 25 will remain latched and ground check indication contacts terminals 26 27 and 26 28 will change state Reset the monitor 8 1 2 NoN LATCHING GROUND CHECK TRIP TEST Connect the monitor current sensor and termination device as shown in Fig 14 With supply voltage applied the POWER SENSOR and VALID LED s will be on Open the ground check loop by removing either the GC or G connection between the monitor and the termination assembly pressing the faceplate GC Test button will also perform an open circuit test The monitor will trip The trip contacts terminals 22 23 and 24 25 and the ground check indication contacts terminals 26 27 and 26 28 will change state The VALID LED will be off and both the GROUND CHECK TRIP and the OPEN LED s will be on Reconnect the ground check loop The monitor will reset SE 135 Ground Fault Ground Check Monitor Page 19 Rev 3 C 100314 Short the ground check loop by connecting G to GC The monitor will trip The trip contacts terminals 22 23 and 24 25 and the ground check indication contacts terminals 26 27 and 26 28 will change state The VALID LED will be off and both the GROUND CHECK TRIP and the SHORT LED s will be on Remove the short from G to
12. check loop when an SE TA12A series termination assembly is detected in the loop and loop resistance is less than 28 ohms 45 ohms for XGC option The loop is not valid if open or high resistance or if the ground check conductor is shorted to ground When the ground check loop is valid the SE 135 ground check circuit can be tested by pressing the GC TEST button or by shorting GC TEST terminals 11 and 12 This test invalidates the loop by inserting 47 ohms 75 ohms for XGC option in the ground check loop and a trip should occur in less than 250 ms The ground check circuit is usually operated in the non latching mode however it can be operated in the latching mode by connecting terminals 14 and 15 The ground check circuit is protected by a 1 5 A time delay fuse If the SE 135 is used in a ground fault only application an SE TA12A must be connected to the Littelfuse STARTCO ground check and cable ground terminals to validate the ground check circuit See Fig 1 The typical maximum distance of a trailing cable is 5 0 km 3 1 miles for the standard model and up to 10 km 6 3 miles for the XGC option Several factors may limit the maximum distance of the cable including the ground check wire gauge and induced ac current in the ground check loop 2 3 RESET All ground fault trips are latching and ground check trips can be latching or non latching To reset ground fault trips or latching ground check trips
13. fault current sensor Ensure the cables pass through the ground fault current sensor window This check can be done visually with knowledge of the circuit The connection of the current sensor secondary to the SE 135 is not polarity sensitive Verify that the system is correctly grounded and that alternate ground paths do not exist that bypass the current sensor High voltage testers and resistance bridges can be used to determine the existence of alternate ground paths d Verify proper reaction of the circuit interrupting device in response to a simulated or controlled ground fault current simulate ground fault current use CT primary current injection Fig 14 shows a test circuit using Littelfuse Startco Ground Fault Relay Test Units The SE 400 has a programmable output of 0 5 to 9 9 A for a duration of 0 1 to 9 9 seconds Set the test current to 120 of GF TRIP LEVEL The SE 100T provides a test current of 0 65 or 2 75 A for testing 0 5 and 2 0 A trip levels Inject the test current through the current sensor window for at least 2 5 seconds Verify that the circuit under test has reacted properly Correct any problems and re test until the proper reaction is verified e Record the date and the results of the test on the x attached test record form Retain this
14. of a latched ground check trip 4 INSTALLATION 4 1 GENERAL This ground fault ground check monitoring system consists of an SE 135 Monitor an 5 510 or SE CS40 series Current Sensor and an SE TA12A series Termination Assembly connected as shown in Fig 1 If required remote indication and reset can be implemented with standard pilot devices or with an RK 132 Remote Indication and Reset Kit Page 3 Rev 3 C 100314 4 2 MONITOR Each SE 135 is packaged with both panel and surface mounting hardware Outline and panel cutout dimensions for the SE 135 are shown in Fig 2 To panel mount the SE 135 insert it through the panel cutout and secure it with the four supplied 8 32 locknuts and flat washers If an optional SE IP65CVR G is used follow the included installation instructions See Figs 4 and 5 connections to the SE 135 are made through plug in wire clamping terminal blocks for 24 to 12 AWG 0 2 to 2 5 mm conductors Each plug in terminal block can be secured to the monitor by two captive screws for reliable connections in high vibration applications Outline dimensions and mounting details for surface mounting an SE 135 are shown in Fig 3 Fasten the SE 134 SMA Surface Mount Adapter to the mounting surface and make connections to the adapter terminal blocks Follow the instructions in Fig 3 to install or remove the SE 135 Use terminal 1 L1 as the line terminal on ac systems or the positive terminal on
15. record for the authority having jurisdiction WA Littelfuse an STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 NOTES 1 MOMENTARILY CONNECT 9 amp 10 TO PERFORM REMOTE RESET MOMENTARILY CONNECT 11 amp 12TO PERFORM REMOTE GROUND CHECKTEST CONNECT 12 amp 13 FOR NON FAIL SAFE OPERATION OF THETRIP RELAY CONNECT 14 amp 15 FOR LATCHING 25 GROUND CHECK TRIP 1 5 CONNECT 17 amp 18TO DISABLE CURRENT a o SENSOR VERIFICATION sus CONTACTS SHOWN DE ENERGIZED GC OR o4 SE CS10 CURRENT a SENSOR CURRENT Q 2 t Ln SENSOR 17 m 20 1 DISABLE 18 SENSOR Q VERIFICATION L no SUPPLY RENI OO 120 TEST VOLTAGE OUTPUT VOLTAGE K 1 SUPPLY F m L1 N 13 O GROUND FAULT RELAY 14 TOUD TEST UNIT CHECK 9 LATCH UND O GC SE 100T or SE 400 CHECK Oa SE TA12A SERIES 3 SPG CABLE 4 GROUND TERMINATION SE 135 ASSEMBLY FIGURE 14 Ground Fault Test Circuit 1000 5W 1000 5W Qc OG SE TA12A SERIES SE TA12A SERIES TERMINATION KAYU TERMINATION ASSEMBLY ASSEMBLY VOLTS VOLTS REVERSE BIASEDTEST FORWARD BIASEDTEST FIGURE 15 Termination Assembly Test Circuits WA Littelfu
16. sies 2 000 VA Resistive 1 500 VA Inductive PF 0 4 Subject to maximums of 8 A and 250 V ac or dc Contact Configuration N O and N C Form C Operating Mode Fail Safe Trip Reset eme Front Panel Button and Remote N O Contact Terminal Block Rating 10 A 300 Vac 12 AWG 2 5 mm PWB Conformal Coating MIL 1 46058 qualified UL QMJU2 recognized Mounting Configuration Panel Mount and Surface Mount Dimensions coetui 213 mm 8 4 Width 99 mm 3 9 Depths qa a una aaa 132 mm 5 2 Shipping Weight 2 3 kg 5 1 Ib Environment Operating Temperature 40 to 60 40 to 140 F Storage Temperature 55 to 80 67 to 176 F Humidity 85 Non Condensing Littelfuse STARTCO Surge Withstand EMC Tests Verification tested in accordance with EN 60255 26 2009 Radiated and Conducted Emissions Current Harmonics and Voltage Fluctuations Electrostatic Discharge Radiated RF Immunity Fast Transient Surge Immunity Conducted RF Immunity Magnetic Field Immunity Power Frequency 1 MHz Burst SE 135 Ground Fault Ground Check Monitor ANSI IEEE 37 90 1 2
17. the green LED will go out and the ground fault circuit will trip If the sensor fault is intermittent the ground fault circuit will trip and the green LED will flash to indicate that the trip was initiated by a sensor fault SE 135 Ground Fault Ground Check Monitor NOTE The SE CS10 and SE CS40 series current sensors are 600 V rated current transformers When system voltage is above 600 V ensure conductors passed through the sensor window are insulated to system voltage 3 2 POWER The green POWER LED indicates that the internal power supply is on 3 3 DIAGNOSTIC ERROR The red DIAGNOSTIC ERROR LED indicates that an internal error caused the SE 135 to trip Return the SE 135 to the factory if a reset does not clear the trip Induced ac current in the ground check loop can cause the LED to flicker This is a normal condition and does not indicate a diagnostic error the ground check monitoring circuit is not affected 3 4 GROUND CHECK A red TRIP LED indicates a ground check trip A green VALID LED indicates a valid ground check loop and the remote indication relay GC is energized when the ground check loop is valid fail safe indication contact operation Two yellow LED s indicate the status of an invalid ground check loop OPEN indicates the loop resistance exceeds the trip resistance and SHORT indicates the ground check conductor is shorted to the ground conductor A flashing yellow LED indicates the corrected cause
18. 002 Oscillatory and Fast Transient CISPR 22 2008 09 Class A IEC 61000 3 2 and IEC 61000 3 3 Class A IEC 61000 4 2 6 kV contact discharge direct and indirect 8 kV air discharge IEC 61000 4 3 10 V m 80 1 000 MHz 8096 AM 1 kHz 10 V m 1 0 to 2 7 GHz 80 AM 1 kHz IEC 61000 4 4 Class A 4 kV on AC mains and T O lines IEC 61000 4 5 Zone B 1 kV differential mode 2 kV common mode IEC 61000 4 6 10 V 0 15 80 MHz 80 AM 1 kHz IEC 61000 4 8 50 Hz and 60 Hz 30 A m and 300 A m 60255 22 7 Zone A differential mode 150 Vrms Zone common mode 300 Vrms IEC 61000 4 18 1 kV differential mode line to line 2 5 kV common mode Page 16 Rev 3 C 100314 Certification CSA Canada and USA 89 53428 US UL Listed LISTED Ground Fault Sensing and Relaying Equipment 4FX9 E340889 Australia N11659 CE European Union FCC To CSA 22 2 No 14 Industrial Control Equipment UL 508 Industrial Control Equipment UL 1053 Ground Fault Sensing and Relaying Equipment CE Low Voltage Directive IEC 61010 1 2010 3 Edition FCC CFR47 Part 15 Subpart Class A Unintentional Radiators Compliance RoHS Pending 5 2 CURRENT SENSORS Environment Operating Temperature 40 to 60 40 to 140 Storage Temperature 55 to 80 C 67 to 160 F SE CS10 2 5 Current Ratio
19. 2 0 87 DIA 36 6 i 144 7 MENU NOTES PILOT LIGHTS LEGEND PLATES 1 TWO RED LED LIGHTS 24 120 VAC DC NOT POLARITY n SENSITIVE YELLOW PUSH BUTTON 240 VAC A600 0 5 A 125 VDC O600 DIMENSIONS IN MILLIMETRES INCHES C code Ho a INDICATES CLEARANCE 36 6 a Vil REQUIRED PANELTHICKNESS 1 0TO 6 0 0 04TO 0 24 PUSH BUTTON MOUNTING DETAIL 6 NEMA 4X 30 0 MINIMUM 1 18 40 0 MINIMUM FIGURE 9 RK 132 Remote Indication and Reset Kit Page 12 64 Littelfuse SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 9 5 DIA 0 38 DIA 0 75 0 50 63 5 NOTES 1 DIMENSIONS IN MILLIMETRES INCHES FIGURE 10 PPI 600V Parallel Path Isolator WA Littelfuse Page 13 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 GROUND CHECK MONITOR SE 105 SE 107 SE 134C OR SE 135 CABLE GROUND G lt OUTGOING GROUND CHECK 1 G gt OUTGOING GROUND INCOMING GROUND CHASSIS GROUND BUS PPI 600V 1 THE PARALLEL PATH ISOLATOR IS NOT POLARIZED EITHER FLANGE CAN BE CONNECTEDTO CHASSIS 2 THE OUTGOING GROUND MUST BE ISOLATED FROMTHE CHASSIS GROUND BUS IF A FLANGE MO
20. 25 SE TA12A WL G 356 14 OF GREEN YELLOW WIRE GC 356 14 OF YELLOW WIRE ATJTJSHIAHSSV 8snyjenr NOILVNINH HAL IVA V GL V L as ODOLYVLS SE TA12A WL TERMINATION ASSEMBLY Rating 120 Vde 105 Revision 03 Serial DB140303440 50 W Max Use with Ground Fault Ground Check c EA Littelfuse Monitor Model SE 135 LR 53428 STARTCO 20 Maden Saskatoon Canada NOTES 1 DIMENSIONS SAME AS SE TA12A 2 WIRE LEADS 14 AWG 2 08 mm 3 CAN BE IMMERSED IN GLYCOL FIGURE 7 SE TA12A and SE TA12A WL Termination Assemblies WA Littelfuse Past STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 MOUNTING DETAIL SE TA12ASF WL TERMINATION ASSY Rev Ol Serial No DM131000182 E C Rating 12 0 Vdc 105 mA 12 W Max c US Use with SE 135 53428 SIDE 58 8 NOTES GC 2 32 300 12 OF YELLOW WIRE O SE TA12ASF WL TENTON T H P 4 Littelfus 1 DIMENSIONS IN MILLIMETRES INCHES 2 MOUNTING SCREWS M3 5 OR 6 32 5 5 STARTCO G Z AL 3 CAN BE IMMERSED IN GLYCOL 1 800 TEC FUSE 1 800 882 3873 lade in Saskatoon Canada 300 12 OF GREEN YELLOW WIRE TOP FIGURE 8 SE TAI2ASF WL Small Format Wire Lead Termination Assembly GROUND CHECK GROUND FAULT 22
21. 314 SE TA12A series termination assembly has the compensation required to meet system specifications 2 OPERATION 2 1 GROUND FAULT CIRCUIT 2 1 1 GF TRIP TIME SETTING The ground fault circuit has definite time characteristic with 11 settings from 0 1 to 2 5 seconds Time coordinated ground fault protection requires the trip time to be longer than the trip time of downstream ground fault devices 2 1 2 GF TRIP LEVEL SETTING The trip level of the ground fault circuit is switch selectable with 11 settings from 0 5 to 12 5 A for the SE CS10 series CT and from 2 to 50 A for the SE CS40 series CT A minimum tripping ratio of five is recommended to achieve at least 80 winding protection and this requires the trip level to be no more than 20 of the grounding resistor let through current ground fault trip is latched requiring a reset A current sensor failure will also cause a ground fault trip See Section 3 1 If the SE 135 is operated in a ground check only application and SE CS10 is not connected connect terminals 17 and 18 to disable sensor verification See Fig 1 2 2 GROUND CHECK CIRCUIT The ground check loop consists of the outgoing ground check conductor quick coupler connections the SE TA12A series termination assembly the SE TA12A connection to equipment frame or ground bus the ground return path and the 5 135 cable ground terminal connection to substation ground The SE 135 detects a valid ground
22. 5 units and displays them in a list Select one from the list and click Edit to change the IP address subnet mask or description When selecting an IP address ensure it is not already in use Click Apply to save the changes SE MON GFGC will pause for five seconds and scan the network again To view the status of an SE 135 select the unit and click Monitor If a warning appears the SE 135 may have been set to an IP address that is not accessible by the network Table 1 shows the SE 135 coil addresses Table 2 provides the holding registers in 16 bit format A remote reset can be generated by writing DOI high for one second and then writing it back to low TABLE 1 COIL ADDRESS COIL DESCRIPTION NAME ATTRIBUTE ADDRESS 00001 GC Status DIO Read 00002 GF Status 00003 Trip Relay DI2 Read 00018 Remote Reset DOI Read Write TABLE 2 HOLDING REGISTER ADDRESS REGISTER DESCRIPTION ATTRIBUTE ADDRESS 40301 DIO DI11 Read 40303 DOO DOS Read Write Littelfuse STARTCO 3 INDICATION 3 1 GROUND FAULT A red TRIP LED indicates a ground fault trip and the remote indication relay GF is energized when the ground fault circuit is not tripped fail safe indication contact operation green SENSOR LED indicates a current sensor is correctly connected If the SE CSIO or SE CS40 series current sensor is disconnected or shorted
23. ET Ll 9 16 os current O SENSOR 1 RELAY CONTACTS SHOWN WITH REMOTE GC TEST 1 11 o ec SENSOR TEST VERIFICATION SE 135 NFS CONNECT 12 amp 13 FOR NON FAIL SAFE 1 OPERATION OF THE 7 TRIP RELAY 14 CONNECT 14 amp 15 777 GROUND FOR LATCHING GROUND CHECK 152 LATCH GROUND 13 7 CONNECT 17 amp 18 TO DISABLE SENSOR DISABLE 18 VERIFICATION SE 135 DE ENERGIZED TERMINALS 3 4 5 6 AND 7 8 ARE INTERNALLY CONNECTED EXTERNAL LIGHTS AND SWITCHES NOT INCLUDED WITH SE 135 OPTIONAL RK 132 REMOTE INDICATION AND RESET KIT AVAILABLE SEE FIG 9 AND ORDERING INFORMATION FOR 3 SPG 7 CABLE 4 GROUND 8 FIGURE 1 SE 135 Typical Application DETAILS Littelfuse Page 5 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 145 0 5 71 PANEL THICKNESS 1 6 0 06 TO 4 8 0 19 LITTELFUSE STARTCO GROUND FAULT GROUND CHECK MONITOR Oo 0020000000000 GROUND GROUND FAULT CHECK C TRIP ERROR TRIP 1 r sT 12 NFS Cas SENSOR 1 GC LATCH LI qm 16 CURRENT SENSOR 7 DISABLE SENSOR VERIFICATION 18 O GF TRIP LEVEL A 507010 40 13 5 19 GRounD 30 16 Da erg
24. ME s FUSE F1 1 5 500 VACTIME DELAY 292000000016 9 9 9 9 9 9 9996 2 E4 Littelfuse FRONT VIEW SE 134 SMA FRONT VIEW SIDE VIEW 25 4 31 NOTES 1 DIMENSIONS IN MILLIMETRES INCHES 2 MOUNTING SCREWS M4 OR 8 32 PANHEAD INSTALLATION 1 LOOSEN RETAINER SCREWS MOVE RETAINERS OUTWARD ANDTIGHTEN RETAINER SCREWS 1 1 1 MATE MONITOR WITH ADAPTER PLUG IN TERMINALS 5 LOOSEN RETAINER SCREWSTO LET RETAINERS SNAP OVER MONITOR BACKPLATE 1 1 1 1 I 1 1 1 1 ENSURETHAT RETAINERS ARE AGAINST MONITOR BODY ANDTIGHTEN RETAINER SCREWS REMOVAL 1 LOOSEN RETAINER SCREWS SLIDE RETAINERS AWAY FROM MONITOR BODY ANDTIGHTEN RETAINER SCREWS ra BEZELOUTLINE 2 PULL MONITOR FORWARD MOUNTING DETAIL FIGURE 3 SE 134 SMA Surface Mount Adapter and SE 135 Surface Mounting Details Littelfuse Page 7 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 TO PREVENT UNAUTHORIZED ENTRY 1 USE WIRE SEALTHROUGH HOLES IN WEATHERPROOF COVER ASSEMBLY OR SECURE WITHTHE PLASTICTHREAD FORMING TOP VIEW SCREW SUPPLIED IN KIT HOLE FOR
25. UNTED RECEPTACLE IS USED VERIFY THAT THE FLANGE IS ISOLATED FROMTHE GROUND PIN AND USE A MATING PLUG WITH A NON METALLIC HOUSING OR ISOLATE THE FLANGE FROMTHE CHASSIS IF THE MATING PLUG HAS A METALLIC HOUSING CABLE PLUGS AND RECEPTACLES WITH GROUNDED METAL HOUSING MUST BE ISOLATED FROM GROUNDTO PREVENT PARALLEL GROUND PATHS 4 FOR SYSTEMS ABOVE 600 VAC CONNECT AV131DA40 MOV ACROSSTHE PPI 600V FIGURE 11 PPI 600V Typical Installation Littelfuse STARTCO 12 mn Go LATCH w CURRENT SENSOR 7 DISABLE SENSOR VERIFICATION 18 ATTENTION PLUG IN TERMINAL BLOCKS ARE LOCKED IN PLACE BY CAPTIVE SCREWS 1 engyyo EE Toan 2 Mc 6 Mo TFUP 7 GROUND FUSE Fk L5 A BOO VAC TIME DELAY FIGURE 12 SE 135 with Ferrites Installed GC LATCH CURRENT SENSOR DISABLE SENSO VERIFICATION L _ GF I 7 A FIGURE 13 Current Sensor Shield Connection NOTE 3 SE 135 Ground Fault Ground Check Monitor NOTE 4 Page 14 Rey 3 C 100314 NOTES 1 PASS WIRES FROMTERMINALS 9TO 15 THROUGH A FERRITE PASS THE SHIELDED CABLE FROM TERMINALS 16TO 17 THROUGHA FERRITE CONNECT THE SHIELDTO CHASSIS AS SHOWN IN FIG 13 DOUBLE LOOP THE WIRES FROM TERMINALS 19 TO 28 THROUGHA FERRITE PASS WIRES FROM FERRITE NOTE 3 THROUGH A SECOND FERRITE ALL FERRITES ARE LAIRD TECHNOLOGIES 28A2024 0A2 AND ARE ROHS COMPLIANT
26. WA Littelfuse STARTCO 3714 Kinnear Place Saskatoon SK Canada S7P 0A6 SE 135 MANUAL GROUND FAULT GROUND CHECK MONITOR REVISION 3 C 100314 LITTELFUSE STARTCO GROUND FAULT GROUND CHECK MONITOR GROUND GROUND FAULT CHECK TRIP ERROR TRIP SENSOR GF TRIP TIME s FUSE F1 1 5 A 500 VAC TIME DELAY FA Littelfuse Copyright 2014 by Littelfuse Startco All rights reserved Document Number PM 1315 EN Printed in Canada Ph 306 373 5505 306 374 2245 www littelfuse com relayscontrols Littelfuse Page i STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 This page intentionally left blank Littelfuse STARTCO TABLE OF CONTENTS SECTION PAGE 1 General eue RI 2 Operation 2 1 Ground Fault Circult 1 2 1 1 GF Trip Time Setting 1 2 1 2 GF Trip Level Setting 1 2 2 Ground Check Circutt 1 2 3 gt Reset s 2 24 THp IR CLAY eem 2 2 5 Network Communications 2 3 Indication eren steer 3 3 1 Ground Fault Y 3 3 2 Power 3 3 3 Diagnostic 3 3 4 Ground Check
27. a SET T nq 20 20 Ex 725 GF TRIP TIME s 22 TAP al Ties 26 scx a 152855 870 a J GROUND EH o 0000000000 O FUSE F1 1 5 500 VACTIME DELAY FUSE 1 5 A 500 VAC TIME DELAY FA Littelfuse 5 LT CLEARANCE REQUIRED 19 lt SZ FOR FUSE ACCESS FRONT VIEW SIDE VIEW REAR VIEW NOTES 1 DIMENSIONS IN MILLIMETRES INCHES R 4 8 0 19 MAXIMUM 1 00 1 00 76 2 4 4 0 173 DIA 3 00 4 LOCATIONS PANEL MOUNT CUTOUT FIGURE 2 SE 135 Outline and Panel Mounting Details Littelfuse Page 6 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 RETAINER SCREW 80 RETAINER 0 31 E GROUND FAULT GROUND CHECK MONITOR Co GROUND GROUND FAULT CHECK TRIP ERROR TRIP 9 RESET 10 u 11 1 GG TEST NOT USED L2 2 is ON SE 134 Z 2 umana SENSOR VALID 16 15 CURRENT SENSOR OPEN DISABLE SENSOR 18 VERIFICATION 090905090006 09090909006 0000000000 SHORT crounp CHECK 16 10 GF TRIP TI
28. as a result of misuse negligence an accident improper installation tampering or insufficient care Littelfuse Startco does not warrant products repaired or modified by non Littelfuse Startco personnel Littelfuse STARTCO 8 TEST PROCEDURES 8 1 GROUND CHECK TRIP TESTS 8 1 1 LATCHING GROUND CHECK TRIP TEST Connect the monitor current sensor and termination assembly as shown in Fig 14 Connect terminals 14 and 15 for latching operation With supply voltage applied the POWER SENSOR and VALID LED s will be on Open the ground check loop by removing either the GC or G connection between the monitor and the termination assembly pressing the faceplate GC TEST button will also perform an open ground check test The monitor will trip The trip contacts terminals 22 23 and 24 25 and the ground check indication contacts terminals 26 27 and 26 28 will change state The VALID LED will be off and both the GROUND CHECK TRIP and the OPEN LED s will be on Reconnect the ground check loop The VALID and TRIP LED s will be on and the OPEN LED will be flashing The TRIP contacts terminals 22 23 and 24 25 will remain latched and ground check indication contacts terminals 26 27 and 26 28 will change state Reset the monitor Short the ground check loop by connecting G to GC The monitor will trip The trip contacts terminals 22 23 and 24 25 and the ground check indication contacts terminals 26 27 and 26 28 will change state
29. dc systems Use terminal 2 L2 N as the neutral terminal on ac systems or the negative terminal on dc systems NOTE On revision 4 and newer units terminal 3 SPG is internally connected to terminal 4 For these units an external terminal 3 to terminal 4 connection is not required nor is it necessary to remove the terminal 3 connection for dielectric strength testing 4 3 CURRENT SENSORS Outline dimensions and mounting details for the SE CS10 and SE CS40 series current sensors are shown in Fig 6 Pass only phase conductors through the sensor window as shown in Fig 1 If a shield ground or ground check conductor enters the sensor window it must be returned through the window before it is terminated Connect the current sensor to terminals 16 and 17 Ground terminal 17 Current sensor primary and secondary connections are not polarity sensitive See Section 4 7 4 4 TERMINATION ASSEMBLY Outline dimensions and mounting details for the SE TAI2A SE TAI2A WL and SE TAI2ASF WL are shown in Figs 7 and 8 Install the SE TA12A at the load to complete the ground check loop as shown in Fig 1 Connect terminal G of the SE TA12A to the equipment frame so that the ground conductor to equipment frame connection will be included in the monitored loop 4 5 REMOTE OPERATION Remote indication contacts and a reset input are provided as shown in Fig 1 Littelfuse STARTCO The optional RK 132 Remote Kit is shown in Fi
30. e GROUND FAULT TRIP LED will stay on and the SENSOR LED will flash The output contacts will remain latched Reset the monitor 8 4 SE TA12A SERIES TERMINATION ASSEMBLY TESTS Apply 24 Vdc across the series combination of a 100 O 5 W current limiting resistor and the termination assembly as shown in Fig 15 In the reverse biased test the voltage should be 12 V across the termination assembly terminals In the forward biased test the voltage across the termination assembly terminals should be between 0 3 and 0 9 V WA Littelfuse Page 20 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 8 5 GROUND FAULT PERFORMANCE TEST TABLE 3 GROUND FAULT TEST RECORD To meet the requirements of the National Electrical DATE TEST RESULTS Code NEC as applicable the overall ground fault protection system requires a performance test when first installed A written record of the performance test is to be retained by those in charge of the electrical installation in order to make it available to the authority having jurisdiction A test record form is provided for recording the date and the final results of the performance tests The following ground fault system tests are to be conducted by qualified personnel a Evaluate the interconnected system in accordance with the overall equipment manufacturer s detailed instructions b x Verify proper location of the ground
31. e disabled for a ground check only application The ground check circuit has an open circuit voltage of 30 Vdc which is not a hazard to personnel and it has an output drive current above 100mA for optimum performance in slip ring commutated load and high induced ac applications Features include an externally accessible ground check fuse a resistance insertion test 3 kV isolation between the ground check loop and the monitor electronics and a PPI 600V accessory for parallel ground path rejection A PPI 600V will also eliminate intermachine arcing and prevent stray ac and dc currents from flowing in the monitored ground wire Unlike ground check circuits using other termination devices and especially those with phase reversal switches a ground check circuit using a termination device with a Zener characteristic is capable of loop measurements that are independent of current in the phase conductors The SE 135 ground check circuit recognizes the SE TA12A series 12 volt Zener characteristic as a valid end of line completion This is the only passive characteristic that will satisfy the ground check circuit s multi level drive allow induced currents to circulate in the ground check loop survive a phase to ground check fault and clamp the ground check voltage during the fault Although a standard 12 volt Zener diode may engage the SE 135 s ground check circuit only an SE 135 Ground Fault Ground Check Monitor Page 1 Rev 3 C 100
32. g 9 Connect terminals of the green ground check indicator to SE 135 terminals 26 and 27 and the red ground fault indicator to terminals 19 and 21 For remote reset connect the normally open push button switch across terminals 9 and 10 4 6 PARALLEL PATH ISOLATION A PPI 600V can be used for parallel path rejection A PPI 600V will also eliminate inter machine arcing and prevent stray ac and dc currents from flowing in SE 135 Ground Fault Ground Check Monitor Page 4 Rev 3 C 100314 the monitored ground wire See Figs 10 and 11 See Technical Note GC 10 Parallel Path Isolator at www littelfuse com relayscontrols or contact Littelfuse Startco for application details 4 7 FERRITE PLACEMENT A ferrite kit is included with CE compliant options only Where CE compliance is desired install each ferrite as shown in Fig 12 If a current sensor is used connect the shield wire as shown in Fig 13 SE CS10 or SE CS40 lt lt lt lt Lan OF TRIPA 725 V TRIP B 23 X O GF 20 GF O8 GC el x NOTE 3 QU GC INDICATOR GROUND gt gt GROUND CHECK lt lt O GC G SE TA12A GROUND CHECK TERMINATION GC G HOLD IN SE TA12A CONTACT ALTERNATE TERMINATION CIRCUIT FOR REMOTE CONTACTOR CONTROL NOTES REMOTE RES
33. is energized and the ground fault and ground check circuits are not tripped Care must be taken to ensure safe and correct operation during power up and power down Connect terminals 12 and 13 for non fail safe trip relay operation with shunt trip devices In this mode the normally open trip contact is used the trip contact is closed when a ground fault or ground check trip occurs Shunt trip circuits are not fail safe and are not recommended because e Shunt trip devices do not operate if supply voltage fails SE 135 Ground Fault Ground Check Monitor Page 2 Rev 3 C 100314 e Shunt trip ground check circuits allow the power circuit and open cable couplers to be energized for a short interval after supply voltage is applied CAUTION The SE 135 is not a lock out device Follow lock out procedures for maintenance 2 5 NETWORK COMMUNICATIONS An IEEE 802 3 port with Modbus TCP Ethernet protocol is available The SE 135 default IP address is 10 0 0 1 Use SE MON GFGC to change the IP address monitor connected SE 135 units and to issue remote commands SE MON GFGC can be downloaded from www littelfuse com relayscontrols If the computer running SE MON GFGC has more than one active network connection SE MON GFGC may not detect the SE 135 Ensure SE MON GFGC is not blocked by Windows Firewall by adding it to the Firewall Exceptions list in the Windows Control Panel On start up SE MON GFGC scans the network for SE 13
34. ntentionally left blank Littelfuse STARTCO 1 GENERAL The SE 135 is a microprocessor based combination ground fault and ground wire monitor for resistance grounded systems It has a switching power supply that accepts a wide range of ac and dc voltages and its specifications apply over an industrial temperature range at high humidity The SE 135 meets the IEEE surge withstand capability tests oscillatory and fast transient for protective relays and relay systems Isolated normally open and normally closed contacts are provided for contactor control or for shunt or undervoltage operation in a breaker trip circuit operating conditions are clearly annunciated and two Form C contacts are provided for remote indication The SE 135 is housed in an anodized extruded aluminum enclosure and all connections are made with plug in wire clamping terminal blocks Provision is made for both panel and surface mounting The ground fault circuit detects fundamental frequency zero sequence current with a window type current sensor and it verifies that the current sensor is connected and not shorted A definite time characteristic with 11 trip levels and 11 trip times allows coordination in virtually any resistance grounded system Although other current sensors may satisfy the verification circuit only SE CS10 series and SE CS40 series sensors have characteristics that meet system specifications Current sensor verification can b
35. press the RESET button or connect the RESET terminals 9 and 10 See Fig 1 Cycling the supply voltage will also reset ground fault trips however if the ground check circuit is configured for latching fail safe operation the ground check circuit will trip when supply voltage is applied The single shot reset circuit responds only to a momentary closure a jammed or shorted button will not maintain a reset signal The front panel RESET button is inoperative when remote reset terminals 9 and 10 are connected See Section 4 5 2 4 TRIP RELAY Isolated normally open Trip A terminals 24 and 25 and normally closed Trip B terminals 22 and 23 contacts are provided for use in a contactor or breaker control circuit With no connection between terminals 12 and 13 the SE 135 trip relay operates in the fail safe mode This mode is used with undervoltage devices where the trip relay energizes and its normally open contact closes if the ground fault and ground check circuits are not tripped This mode is recommended because e Undervoltage devices release if supply voltage fails e Undervoltage ground check circuits do not allow the power circuit and open cable couplers to be energized until the ground check loop is verified The fail safe mode of operation of the SE 135 trip relay can be used for shunt trip circuits with a stored energy trip source In this case the normally closed trip contact is used the contact opens when the SE 135
36. r 10 s 250 Vac for 0 25 s Pull in Time lt 1 5 Trip Resistance Standard 28 Q 10 Option 45 10 Trip Time Standard at 50 220 30 ms Option at 75 220 30 ms Short Detection Yes Isolation 3 60 Hz 1 s Testa u su a sua usa Front Panel Button and Remote N O Contact Fuse Rating F1 1 5 A 500 Vac Time Delay Fuse Part Number FNQ 1 Buss Fusetron SE 135 Ground Fault Ground Check Monitor Page 15 Rev 3 C 100314 Trip Mode Latching or Non Latching Trip Relay CSA UL Contact Rating 8 A Resistive 250 Vac 5 A 30 0 25 HP B300 Pilot Duty Supplemental Contact Ratings Make Carry 0 2 s 30A Break dc 75 W Resistive 35 W Inductive L R 0 04 Break ac 2 000 VA Resistive 1 500 VA Inductive PF 0 4 Subject to maximums of 8 A and 250 V ac or dc Contact Configuration Isolated N O and N C Contacts Operating Mode Fail Safe or Non Fail Safe Remote Indication Relays CSA UL Contact Rating 8 A Resistive 250 Vac 8 A 30 Vdc Supplemental Contact Ratings Make Carry 0 2 s 20A Break 50 W Resistive 25 W Inductive L R 0 04 Break ac
37. se Page 22 STARTCO SE 135 Ground Fault Ground Check Monitor Rev 3 C 100314 APPENDIX A SE 135 REVISION HISTORY MANUAL MANUAL PRODUCT REVISION RELEASE DATE REVISION REVISION NUMBER ON PRODUCT LABEL October 3 2014 November 12 2013 May 14 2013 3 C 100314 3 B 111213 3 A 050613 MANUAL REVISION HISTORY REVISION 3 C 100314 SECTION 4 Figs 7 8 and 11 updated APPENDIX A Revision history updated REVISION 3 B 111213 SECTION 2 Maximum trailing cable length added SECTION 5 Additional termination assembly and compliance specifications added APPENDIX A Revision history updated REVISION 3 A 050613 SECTION 2 Network communications added SECTION 4 Ferrite placement instructions added SECTION 5 CE specifications XGC option SE CS40 6 specifications and dimensions added SECTION 6 Ordering information updated APPENDIX A Revision history added PRODUCT REVISION HISTORY REVISION 04D Ferrite kit added
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