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TECHNICAL SPECIFICATIONS for

1. 1 Event Log Monitoring uP circuit acquires system data and displays up to 50 most recent Date Time stamped events on the front panel display Its key selectable menu provides access to events system information display freeze and delete functions 2 Aux CBs Trip Monitor with Event Log In addition to the event log and system data this option registers trips of up to 20 auxiliary output circuit breakers for monitoring of dedicated circuits Trip signals from the breakers are displayed on a CB trip screen Trip modules mount easily on a DIN rail with aux CB s B Local On PC Via RS232 or RS485 Port This option requires a PC and LabView monitoring software on a Windows platform Data sent to PC s is displayed as a control room panel for real time monitoring The distance to PC for RS232 cable shall be 25 150 ft RS485 increases the range to 1000 ft C Remote Dial Up Monitor 2000 The Monitor 2000 requires a phone line for remote operation The device shall send data voice and text messages to 32 destinations like phone fax pager and e mail via phone line DSL service The Manager 2000 Windows software installed on a remote PC displays UPS parameters events and stats graphs The device shall be installed in the unit and comes fully wired and function tested D Web SNMP Card This option is a web enabled monitoring device for a unit with Internet or network connection The internal IP internet address can be pre installed in fi
2. H x 39 W x 18 D 2 Weight Heat rejection 90 min battery configuration only a 10 kVA 1655 Ibs 3035 BTU hr b 15 kVA 1665 lbs 4550 BTU hr 20 kVA 1998 6066 25 kVA 2092 7385 30 kVA 2186 9099 40 kVA 2382 12132 50 kVA 2463 15165 62 5 kVA 2565 18000 s ao oa 0 2 3 MODES OF OPERATION The UPS module shall be designed to operate as an on line high frequency min 10 kHz high precision PWM conversion fully automatic system with no break transfer time in the following modes A Normal During normal operation utility or generator power is converted to DC drawing sinusoidal input AC current at unity power factor under all load conditions The converter supplies DC power to the Inverter and Battery Charger sections The Inverter shall supply the load through the Static Bypass Switch SBS without using the energy stored in the battery at a min 10 kHz power conversion B Emergency Upon loss of input power or when power exceeds the specified input limits the control logic shall allow the inverter to draw energy from the battery without interruption to the load and disconnect the input line The transfer to battery shall be uninterrupted no break power transfer The inverter shall supply power from the batteries to the critical load through the Static Bypass Switch The output voltage shall be sinusoidal and within specified limits If po
3. Service Engineers 6 5 Site Testing The manufacturer s field service personnel shall provide site testing if requested The testing shall consist of a complete test of the UPS system and the associated accessories supplied by the manufacturer A partial battery discharge test shall be provided as part of the standard start up procedure The test results shall be documented signed and dated for future reference NOTE This Guide Specification follows the Construction Specification Institute guidelines per CSI MP 2 1 MP 2 2 It is subject to change due to product improvement and or enhancement Please use this document as a guide specification and do not hesistate to contact our application engineering department should you have any further questions or special requirements You can contact us at 800 227 8899 or via e mail sales onlinepower com tech onlinepower com Dec 2006 Page 11 of 11 PWT6506B
4. 721 501 Fax 323 721 3929 Power Wave Service 1 800 797 7782 Product Description this specification describes Protector 3 three phase on line double conversion high frequency UPS module It is designed to provide high quality regulated and conditioned uninterruptible AC power to both linear and non linear loads during all modes of operation The system shall consist of a solid state IGBT PWM inverter rectifier static switch internal maintenance bypass switch battery status and metering display and communication ports as described herein Page 2 of 11 PWT6506B Modular Design The unit shall be specifically designed as a modular system to minimize the number of replaceable assemblies Except for the transformers contactor circuit breakers chokes and terminal blocks the actual power conversion and control system is limited to two replaceable parts heat sink with IGBTs and drivers and control board with associated panel display Both parts are easily accessible and can be hot swapped in manual bypass mode Modular design results in a clear component layout for maximum EMI reduction and system reliability due to distributed heat rejection pattern Equipment Safety The UPS shall have only front door access with a keyed door lock provision to prevent system operation by unauthorized personnel Operator activated CB s shall be located at the front of the middle shelf for the ease and safety of operation All remaining compon
5. Bypass Summary Alarm and Input Fail 5 7 Normally On Normally Off Output Aux Circuit Breakers These CB s are 1 pole 20 A devices for protection of customer s load circuits Combine 5 7 amp 5 8 to eliminate the need of internal output breakers 5 8 External Output Aux CB s In Panel Board 1 pole 20 A located in external panel board mounted on the UPS cabinet side Maximum number of QO breakers 42 5 9 5 or 10 Input Current Harmonic Filter 5 10 EMI Filter complies with EN55022 1998 Class B Radiated Emission EN55022 1998 Class B conducted emission FCC Part 15 Class B radiated emission FCC Part 15 Class B conducted emission 5 11 Higher KAIC Norm On Off Output CB 1 Phase 20 A Circuit Breaker with Higher KAIC DIN rail mounted or molded case design 5 12 Dual Input Systems Y Y DELTA Y DELTA DELTA Page 10 of 11 PWT6506B 5 13 Seismic Mounting Brackets Left Right seismic floor mounting brackets 5 14 Stackable Rack floor space saving solution 1 rack per 2 cabinets 5 15 Battery Monitoring System single jar string and entire system monitoring on a local remote or web enabled PC Assessment of actual remaining charge and jars deterioration for maximum battery life and total back up safety 6 0 SERVICE 6 1 Service Personnel The UPS manufacturer shall employ a nationwide service organization with factory trained Customer Service Engineers dedicated to the start up maintenance and rep
6. TECHNICAL SPECIFICATIONS for Three Phase 10 to 62 5 KVA UL1778 Uninterruptible Power System 1 0 1 1 1 2 1 3 1 4 PWT6506B 12 18 06 Protector 3 Guide Specifications GENERAL SUMMARY This specification defines a three phase on line solid state high frequency double conversion system hereafter referred to as the Protector 3 It is designed to provide high quality regulated and conditioned uninterruptible AC power to both linear and non linear loads during all modes of operation The unit shall be specifically designed to meet UL 1778 for Uninterruptible Power Supply Equipment and provide battery back up for critical loads There shall be no interruption of power to the critical load when the UPS transfers to and from back up battery operation The UPS shall have an industry distinctive small footprint stackable cabinet design allowing for equipment protection in limited spaces STANDARDS The UPS shall comply with the following standards A CSA certified per UL1778 B CSA 22 2 C FCC rules and regulations Part 15 subpart j class A D The unit s design shall comply with applicable sections of codes by NEC NEMA OSHA SUBMITTALS A Proposal Submittals submittals with the proposal shall include the following documents complete electrical characteristics connection requirements system configuration on a single line diagrams description of equipment to be furnished size and weight of shipping
7. air of UPS and power equipment The manufacturer shall provide a fully automated national dispatch center to coordinate field service personnel schedules One toll free number shall reach a qualified support person 24hrs day 7days week and 365 days year For emergency service calls response time from a local Customer Engineer shall be approximately 15 minutes 6 2 Replacement Parts Parts shall be available through an extensive network to ensure around the clock parts availability throughout the country Customer Support Parts Coordinators shall be on call 24hrs day 7days week 365 days a year for immediate parts dispatch Parts shall be delivered to the site within 24 hours 6 3 Maintenance Training In addition to the basic operator training conducted as a part of the system start up class room courses for customer employees shall be made available by the manufacturer The course shall cover UPS theory location of subassemblies safety battery considerations and UPS operational procedures It shall include AC DC and DC AC conversion techniques as well as control and metering Troubleshooting and fault isolation using alarm information and internal self diagnostics interpretation shall be stressed 6 4 Maintenance Contracts A comprehensive offering of preventive and full service maintenance contracts shall be available An extended warranty and preventive maintenance package shall be available All services shall be performed by factory trained
8. ation conduit entries on the top and both sides of enclosure B AC Input Specifications SOMPNOUSWNHH Input Voltages 208 Y 120 VAC 480 Y 277 VAC 3 Ph 4 wire plus ground Frequency 60 Hz 5 Input Current sinusoidal 0 95 PF under all line load conditions Input Protection circuit breaker contactor Input Surge Protection optional Transient Voltage Surge Suppressor TVSS Transfer Time zero Input Power Connections hard wired terminal block optional input cable Number of Wires 4 wires plus ground Cable Installation conduit entries on the top and both sides of enclosure Dual Input Capability Y Y DELTA Y DELTA DELTA C AC Output Specifications Page 3 of 11 PWT6506B PC HONDARWN gt 10 Non Linear Load Capability 100 Slew Rate 1 Hz second maximum Crest Factor 1 to 2 Output Power Connections hard wired terminal block optional output receptacle 15 16 Output Ratings 10 15 20 25 30 40 50 62 5 kVA at 0 8 PF Output Voltages 208 Y 120 VAC or 480 Y 277 VAC Frequency 60 Hz 0 5 Hz when on inverter Voltage Regulation 3 No Load to Full Load High Line to Low Line Output Waveform sinusoidal Voltage Distortion lt 5 THD lt 3 Single Harmonic Power Factor 0 8 at the rated volt amperes VA Inverter Overload Capability 125 for 10 minutes 150 surge for 10 seconds Bypass Overload Capability 150 Protection fault current limited panel board with NEMA type
9. blies and sheet metal shall undergo detailed receiving quality inspection Factory Testing Every unit shipped will have completed a documented functional test of the UPS module and battery system including a battery discharge test A copy of the test report shall be available upon customer s request ENVIRONMENTAL REQUIREMENTS A Temperature operating 0 C to 40 C 32 F to 104 F storage 20 C to 45C 4F to 113 F B Humidity operating and storage 0 to 95 RH non condensing C Altitude up to 6000 ft 1 829 meters D Audible Noise 57 dB on response curve A WARRANTY A UPS Module The UPS manufacturer shall warrant the UPS against defects in materials and workmanship for a period of twenty four 24 months The warranty shall cover all parts and labor for one 1 year period beginning from the start up or 18 months from the ship date whichever comes first Optional 1 year extended warranty and maintenance contract packages shall also be available at the end of the factory maintenance period Battery Battery manufacturer s standard warranty shall be transferred and assigned to the end user It will have a minimum period of one year 2 0 PRODUCT DESCRIPTION 2 1 APPROVED MANUFACTURERS AND PRODUCT DESCRIPTION A Approved Manufacturer The UPS shall be an UL1778 Uninterruptible Power System and shall be manufactured by ON LINE POWER INC 5701 Smithway Street Commerce CA 90040 Phone 323
10. ce bypass line It shall be used when the unit needs to be de energized for maintenance without disrupting power to the load Operating the switch shall be strictly restricted to authorized personnel with cabinet access key The MBS shall be operated in conjunction with a S 1 synchronization switch ensuring full synchronization and no inrush current during transfer Output Transformer An isolation output transformer shall be utilized to provide specified output voltage and separate the UPS rectifier Inverter section from the load disturbances and conducted noise Manual Inverter Test Switch Unit shall have a momentary test switch to allow the user a manual system test without the need to operate any breakers or shutting down the system The test switch shall be in compliance with UL924 rules well marked accessible only after opening a locked front cabinet door and further protected from accidental activation The Power Wave shall resume a normal operation after the test switch release Battery Subsystem Sealed maintenance free VRLA batteries shall be provided The batteries shall have an expected life of 10 years or a minimum 250 complete discharge cycles The batteries shall be contained in a separate battery cabinet with a dedicated circuit breaker no fuses for battery protection convenient power cut off and servicing Battery run time based on 100 full load shall be no less than the specified time Runtime shall comply with UL924 pro
11. cing All printed circuit assemblies shall have plug connections Like assemblies and like components shall be interchangeable Earthquake Protection The cabinet shall be evaluated for earthquake zone 4 installation with the addition of optional earthquake brackets Wiring Installation UPS cabinet conduit entry arrangement shall allow for flexibility of user wiring installation The wiring shall be routed thru the top or either side of the cabinet Wiring Termination The UPS input and output power connections shall be hard wired within the cabinet Optional input line cable and output receptacle panels shall be available Page 9 of 11 PWT6S506B limited range of units only please consult factory for details Input and output terminal blocks shall be provided for easy field wiring of UPS and battery cabinets 5 0 ACCESSORIES OPTIONAL COMPONENTS 5 1 External Manual Bypass Switch If specified by the customer The bypass switch enclosed in a box could be field mounted in the UPS cabinet or an adjacent wall This box includes a rotary switch with make before break contacts to provide a single control for transferring to and from maintenance bypass with no load support interruption 5 2 Audio Alarm with Silence Switch Provides audible warning signal acknowledge and reset for Input Fail On Bypass Inverter On Low Battery and Summary Alarm for any of the foregoing alarm conditions 5 3 Remote UPS Status Panel The Remote Status Panel
12. d wiring disturbances An optional higher KAIC breaker shall be available and should be specified when required Page 5 of 11 PWT6S06B C Input Contactor The UPS shall have a line contactor to isolate the rectifier in case of a line problem and allow for a smooth transfer retransfer to and from bypass D Input Transformer An input transformer shall be factory installed inside the standard UPS cabinet within 39 x 18 footprint design It shall be located in the lower part of the cabinet with a barrier separating from the electronics section to provide isolation between the line and the rectifier inverter circuit E Rectifier a solid state circuit design converting incoming AC power to regulated DC bus voltage for the input to the inverter and battery charger F Inverter The inverter shall feature pulse width modulation PWM design utilizing high frequency 15 kHz switched IGBT s It shall use a true double conversion system generating rated AC output from the utility power or the batteries when in back up mode The unit shall have a single heat sink and power IGBT s assembly tray for reduced switching noise and maximum reliability The assembly shall come as a FRU and its design and mounting location shall be conceived for an easy maintenance It shall be located on the electronics shelf with direct access with opened door and can be replaced in app 15 min using only a screwdriver G Charger A separate battery charge
13. ents shall be easily accessible from the front across the narrow 18 wide cabinet and located on a multiple tiered shelves This design provides a separation between the transformer breakers and power electronic sections and is safer for operation maintenance and troubleshooting Minimum Maintenance Time The electronic modules shall be easily removable hot swappable in manual maintenance bypass mode with clearly marked keyed plug connectors The UPS enclosure shall have vent louvers designed to prevent dust collection inside the cabinet eliminating the need for any filters to further minimize required maintenance time 2 2 SYSTEM DESCRIPTION A UPS Design Requirements 1 oo amp ooN Output Power Rating The continuous output power rating of the UPS shall be kVA at 0 8 lagging power factor Output Power Upgrade unit shall be designed to have a min 20 of the rated power capacity upgradeability without having to change the unit option specified at the time of ordering Input Voltage VAC 3 phase 15 10 Dual Input Capability Output Voltage VAC 3 phase wire plus ground Battery Autonomy the UPS shall be capable of operating at full load for 90 min at 0 8 PF output on battery power at a temperature of 25 C Battery Type valve regulated sealed lead acid VRLA low maintenance Battery Protection battery CB for safe UPS battery operation and servicing Cable Install
14. is available in a console mount style box in black finish It can also be wall mounted and comes with a 10 ft long DB connector signal cable or optional cable that can be up to 1000 feet long Remote Status Panel requires 120 VAC power comes with 6 ft power cord Silence LED Horn test switches It includes following LED s Input Fail On Bypass Inverter On Low Battery Summary Alarm 5 4 Form C Relay Contacts Terminal strip TB is provided on the optional alarm relay board for user connection to the individual alarm contacts The Remote Contact Board includes isolated Form C contacts for the same signals as on the Remote UPS Status Panel 5 5 Transient Voltage Surge Suppressor TVSS TVSS is a DIN rail mounted device connected to the UPS input Its plug in phase modules are easily replaceable The device contains energy absorbing components and has a two stage protection When a protection component is damaged by absorbed transient the module will display a flag indicating a need for replacement At this time the device is still operational due to redundant circuits After the second spike the device shows alarm condition indicating need for replacement Remote indication contacts TS allows remote control of the protection status 5 6 External Status Indicator customer use N O volt free contacts compatible with IBM AS400 standard shall be provided on a plug in standard connector for the following signals Low Battery On
15. mits b Total battery discharge for specified back up time w o damaging batteries c Over temperature period expired d UPS problem 2 Automatic Re transfer takes place whenever the inverter is capable of assuming the critical load It shall be inhibited for the following conditions a When transfer to bypass is activated manually or remotely b Multiple transfer re transfers shall limit cycling to 3 operations in 10 min The fourth transfer shall lock the critical load on the bypass source c UPS problem Page 6 of 11 PWT6506B 3 0 3 1 3 All Transfers to Bypass shall be inhibited for the following conditions a Bypass voltage out of limits 10 of nominal b Bypass frequency out of limits 3 Hz Control Logic The entire UPS operation shall be performed by the microprocessor controlled logic All operations parameters diagnostics test and protection routines are firmware controlled compensating component drift and changes in operating environment to ensure stable and consistent performance A self test and diagnostics subroutine shall assist in troubleshooting the unit Control PCB shall be located on the front door removed from power wiring and switching devices This arrangement shall minimize EMI and allow hot boards swap in manual bypass mode Manual Maintenance Bypass Switch An auto man MBS switch shall be provided in the UPS cabinet for connecting power to the critical load through the external maintenan
16. r circuit shall be provided It uses the same IGBT s as in the inverter with constant voltage and current limiting control The battery float voltage is uP programmable for the applicable kVA and DC bus ratings Charging current limit is temperature compensated for battery protection Full recharge of the batteries shall be in full accordance with UL 924 The rectifier inverter and charger shall be a part of the heat sink IGBTs and drivers subassembly as part of FRU modular design aimed at increased ease and safety of service H Static Bypass 100 rated Continuous Duty The bypass serves as an alternative source of power for the critical load when an input line failure or abnormal condition prevents operation in inverter mode It consists of a fully rated continuous duty static switch for high speed transfers and features two back to back SCRs to allow make before break transfer The design shall include a Manual Bypass Switch protected within the locked cabinet It shall be accessible only to authorized personnel allowing the unit to stay in bypass at all times for safe work on the unit Manual transfer to bypass shall not cause unit trip nor transfer into battery back up mode The static switch shall be able to be powered up by an optional separate power source generator or other power supply for dual input capabilities 1 Transfer to Bypass will initiate automatically under the following conditions a Critical bus voltage out of li
17. receptacles and over current protection max 42 CBs Output Distribution unit shall have an internal or external load center for customer use eliminating the need for optional distribution Number of Wires 4 wires plus ground D Battery Specifications ONDARON 10 Standard Run Time 90 min at full load Extended Run Time as required Battery Type sealed maintenance free lead acid VRLA Expected Life 10 years Charger Ampacity per UL 924 Float Voltage 2 25 V per cell Protection circuit breaker in each battery cabinet Wiring power cables from the UPS to the battery cabinet shall be provided by the customer per local code With multiple battery cabinets interconnecting cables shall be provided Nominal DC Link Voltage kVA kW dependent on number of batteries a 10 kVA thru 25 kVA 8 thru 20 kW 192 VDC 16 batteries b 30 kVA 24kW 288 VDC 24 batteries c 40 kVA 30kW 312 VDC 26 batteries d 50 kVA 40 kW 552 VDC 46 batteries e 62 5 KVA 50 kW 552 VDC 46 batteries Battery Cabinets matching battery cabinets UL 924 listed NEMA 1 consult factory for other types The specific UPS and batter cabinet shall be a CSA listed system per UL924 with a minimum of 90 minutes of battery operation under full load conditions 10 kVA 1 cabinet 15 kVA thru 30 kVA 2 cabinets 40 kVA 3 cabinets with hutch 50 kVA 4 cabinets 62 5 kVA 5 cabinets 9200p F Physical Specifications 1 Dimensions 68
18. rmware to fit customer network settings The SNMP Web card can monitor the UPS on the network through a standard web browser A Network Management System software with Alarm Viewer utility shall provide monitoring of multiple units on a single console application MECHANICAL DESIGN AND CONSTRUCTION Enclosure All system components shall be housed in a single floor mounted small footprint 39 x 18 freestanding NEMA 1 enclosure The cabinet should have front access only with two doors and the depth of no more than 18 inch allowing easy component reach from the front The enclosure shall have shelves for component separation and clear and accessible layout Cabinet doors shall require a key for gaining access Front access only shall be required for safety and expedient servicing adjustments and installation The cabinets shall be structurally adequate and have provisions for hoisting jacking and forklift handling Enclosure design shall fully comply with UL 1778 for locked door unauthorized access protection Construction Only quality unused material shall be used to build the unit under strict observance of standards and quality workmanship The cabinets shall be cleaned primed and painted matt black The unit shall be constructed with rigorously tested burned in replaceable subassemblies Only two electronic subassemblies heat sink assembly with IGBTs and drivers and control PCBA shall be used for maximum reliability and simple servi
19. t current 5 DC Bus actual DC bus voltage VDC 6 DC Bus current in A factory use 7 Batt actual battery voltage VDC 8 Batt Charging discharging current C Events and Alarms screen Optional 1 UPS Events Time Date stamp up to 50 scrolling events with freeze function 2 Aux Output CB Trip up to 20 CBs Trip alarm on 1 priority trip screens D System Information Screen Optional 1 Minutes on Battery UPS in battery back up mode accrued time System Hours UPS in operation accrued time 3 Battery Event number of times UPS operated in back up mode Temp UPS cabinet temperature 3 2 Alarm Relays Standard dry contacts signal relays closing for each of the following alarm conditions Input Fail On Bypass Low Battery Summary Alarm 3 3 Communication Ports Standard Three com ports are available 2 configured for RS232 type protocol and 1 for RS485 data transfer All parameters displayed on front panel shall be available on these ports for remote monitoring 3 4 Power Flow Mimic Optional A laminated overlay with embedded color LED s Combines information on front panel display with a graphic power flow visualization for instant load power status recognition 3 5 Global Monitoring System GMS All GMS items are optional The GMS shall allow for flexibility in local and remote communications including internet access A Local On UPS Display Page 8 of 11 PWT6506B 4 0 4 1 4 2 4 3 4 4 4 5
20. units detailed installation drawings showing cable entries and the terminals locations B Delivery Submittals submittals on delivery shall include a complete set of submittal drawings and one user s manual with installation and maintenance guidelines The manual shall contain diagrams safety precautions illustrations step by step operating procedures and routine troubleshooting information Software packages diagrams cables and user s manuals shall be delivered for all optional accessories as required QUALIFICATIONS AND QUALITY ASSURANCE A Manufacturer s Certification A minimum of twenty years experience in the design manufacture and testing of solid state UPS is required The manufacturer shall specialize in manufacturing of on line double conversion high frequency UPS modules specified in this document The manufacturer shall hold a current ISO 9001 certification and shall design the units in accordance with internationally accepted standards B Materials and Assemblies All materials and parts in the UPS shall be new of current Page 1 of 11 PWT6506B 1 5 1 6 manufacture unused except for the purpose of factory testing All active electronic components shall be solid state and designed as to not exceed the manufacturer s recommended ratings and tolerances for ensuring maximum reliability All IGBTs and other semiconductor devices shall be sealed All relays shall have dust covers All incoming parts modular assem
21. viding a minimum of 90 minutes at full load Specified extended runtimes shall be provided only as an option SYSTEM INDICATORS AND MONITORING Front Panel LCD Display Standard 4 lines x 20 characters back lit blue LCD display on the UPS for instant indication of UPS status metering alarms and battery condition The display provides easy read out on 2 standard and 2 optional screens providing continuous information with scrolling update A Status Screen 1 Start Up first screen to appear after energizing the unit 2 Stand By unit continues internal check and self test 3 Normal normal operating status on inverter 4 UPS kVA indicates unit s nominal capacity in kVA 5 Input OK input power available 6 Input BAD no input power or out of limits Page 7 of 11 PWT6506B 7 Charger On charger operational 8 Charger Off no input power 9 Battery OK battery charged Battery Bad battery not charged DC OK DC bus voltage normal UV bus undervoltage OV bus overvoltage 10 11 12 13 On Inverter load supplied from inverter 15 16 10 11 12 0 1 2 3 a Out OK output OK Out Bad no output On Battery unit supplies load from battery power On Bypass unit supplies load via bypass PM REQ elapsed maintenance interval reminder B Metering Screen 1 Output UPS output voltage 2 Output Power total actual power W 3 Input Voltage UPS input voltage 4 Input Current total inpu
22. wer is not restored before the batteries have been exhausted the UPS shall completely shutdown protecting the batteries from possible damage C Recharge When utility power is restored and before the batteries are completely exhausted the UPS shall automatically return to normal operation This retransfer to normal operation shall be uninterrupted The battery charger shall automatically recharge the batteries to full capacity Recharge characteristics must strictly comply with UL924 requirements D Bypass In the event of a component malfunction in either the Rectifier Charger or the Inverter sections the unit s Static Bypass Switch shall transfer the load to the utility power with no interruption Bypass mode shall cause alarm indication and initiate output relay dry contacts closure for customer use E Off Battery When the battery is removed for maintenance or the battery breaker is off the unit will continue to function meeting all the specified performance parameters with the exception of the power back up time capability 2 4 COMPONENT DESCRIPTION A Input Terminal Block an input terminal block shall be hard wired and located in the UPS close to knockouts for incoming power cable for easy installation The conduit entries shall be located on the top and both sides of the cabinet B Input Circuit Breaker a circuit breaker shall be provided and hard wired at the UPS input for protection from the utility line and associate

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