Toshiba operation manual 431M with 431A and 4300 UPS, 431M Input/Output Power Cable Sizes

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13.4INSTALLATION INSTRUCTIONS

DANGER: HAZARDOUS VOLTAGES MAY EXIST.

Verify all power is removed from the UPS and power cables prior connecting the power cables to the Auxiliary Cabinet terminals, Maintenance Bypass Switch terminals, or UPS terminals.

The Toshiba Maintenance Bypass Cabinet (431M) can be used in either of two arrangements:

•431M with the 4300 UPS,

•431A with the 431M and the 4300 UPS.

431M with 431A and 4300 UPS

Select the proper cable size per Table 13.1.

Table 13.1 - 431M Input/Output Power Cable Sizes

(Cable sizes for 75°C Copper Cable)

Recommended/Maximum Wire size and Torque Requirement

UPS

Output Current

Ampacity (Four conductors

Phase AWG*

Neutral AWG*

Tightening

Rating

 

in conduit)

 

 

 

Torque

30 kVA

75 A

117

1

- 250 kcmil

3/0 - 350 kcmil

200 in.-lbs.

50 kVA

125 A

188

3/0

- 250 kcmil

350 kcmil

200 in.-lbs.

* Wire capacity for Phase lugs is 250 kcmil - 6 AWG, Neutral lugs is 350 kcmil - 6 AWG.

Terminate the cable end connecting to the 431M with 0.5 inch bolt hole terminal lugs. See Table 13.2 for recom- mended torque, and Table 13.3 for examples of NEMA 2-Hole terminations.

The 431M Circuit Breakers are equipped with terminal bus strips pre-drilled in a standard NEMA 2-hole pattern (0.5 in. bolt holes on 1.75 in. centers) to facilitate installation of power cables. Use of NEMA two-hole cable termi- nations is recommended.

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4300 Series Ancillary Cabinets Installation and Operation Manual

Page 61 Page 63
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Page 61 Page 63
Contents Series Ancillary Cabinets Page Series Product Use and Warranty Restrictions Qualified Personnel onlyUninterruptible Power System UPS Toshiba Customer Support Center PurposeToshiba Customer Support Center Toshiba International CorporationContents 431M MBS Cabinet Installation Guide 11 431B Toshiba Battery CabinetToshiba Battery Cabinet w/ HX-205 431Bx000xxER111 Introduction Prohibited Symbol indicates do not take action General Safety InstructionsSymbols Signal Words Qualified PersonnelFactory Authorized Personnel Important Safety InstructionsMaximum Operating Temperatures Battery Safety Instructions Importantes Concernant LA SécuritéKeep the area around the UPS clean Safety PrecautionsGeneral Maintenance DisclaimerTransporting Avoid vibration or shock exceeding 0.5 gTransporting By Forklift Transporting by ForkliftInspection/Storage Keep the Specified Clearance around the UPS Installation PrecautionsInstall the ancillary cabinet in a controlled environment Metal Conduit is not AN Acceptable Ground Conductor Routing and GroundingConnect only one 1 ground wire to the earth ground terminal Wiring/ConnectionPerform wiring and connections with correct polarity Follow the torque criteria for tightening screwsPage Storage Environment Operating PrecautionsStorage/Operating Environment Page Qualified Personnel shall Maintenance PrecautionsQualified Personnel only Installation Keep the Specified Clearance around the ancillary cabinetsUnpacking UPS ClearanceAnchor Bolts 431A/431B 431MGrounding Wire Example UPS Ground Bus4300 Series System Assembly Series Overview4300 UPS 431B Batt. Cabinet Optional10 431A Toshiba Auxiliary Cabinet 431A431A Assembled All cabinets are O’Brien Black TexturedAlternative Configurations Auxiliary Cabinet Warning Labels431A with 431M and 4300 UPS Bolt Tightening Specifications Torque431A with the 4300 UPS Compression Fittings431A Input/Output Power Cable Sizes OutputAnchor the 431A Cabinet 431A Base Anchor PointsSeries UPS Join the Auxiliary Cabinet with the UPS431A Series Join the 431A Cabinet with the 431M431M Toshiba Auxiliary Cabinet Outline Drawing 431B Door Open 11.1 431B Estimated Runtimes 11 431B Toshiba Battery Cabinet431B Door Closed 43784 4030841750 480824431B and 4300 UPS Go to Section Place the 431B Cabinet 431B Power Cable Sizes Place the 431B CabinetJoin the Battery Cabinet with the UPS 431B Cable Access PlateSeries UPS 431B Wire the Battery Cabinet to the UPSComponent 11.7 431B Backup Runtime Tables 431B Factory Supplied Shunt Trip WiringToshiba Battery Cabinet Outline Drawing 12 431B Door Closed 431B Door Open Toshiba Battery Cabinet w/ HX-205 431Bx000xxER111431B300017ER111, 4318500008ER111 Battery Cabinet Mccb Detail 12.1 431B Estimated Runtimes69883 41750 Installation Safety Instruction Sizes Lug Tightening Torque Recommended/Maximum Wire size and Torque RequirementBattery Cab 127 Adc 150 aJoin the Battery Cabinet with the UPS Wire the Battery Cabinet to the UPS 12.7 431Bx000xxER111 Backup Runtime Tables 431B Typical Runtimes versus LoadToshiba Battery Cabinet HX-205 Schematic 10 Toshiba Battery Cabinet Outline Drawing 431M Door Closed 431M Door Open 13 431M MBS Cabinet Installation Guide13.1 431M Maintenance Bypass Switch MBS Options 431M Internal Arrangement 431M Cabinet Warning Labels Qualified Personnel only 431M Input/Output Power Cable Sizes 431M with 431A and 4300 UPSSuggested Nema 2-Hole Compression Fittings Locations/Dimension on UPS Base Upper Attach Points similar Place the 431M CabinetJoin the 431M Cabinet with the UPS PCB MBS Operation MBS Mechanical Interlock Plate Operation431M Cabinet Outline Drawing 14 431A MBS/PDU Distribution Purpose4400 MBS/PDU with Front Panels Installed Loto Lock-Out Tag-Out HaspInstalling 4310-30/50-KP-A Optional Kickplate InstallationBox Contents Tools RequiredInsert Side Plate tabs into F/B Plate slots Slide Side Plates in along C-Channel baseAlign the F/B Plate with the UPS front Attach the rear F/B Plate to the back of the UPSCompletion Move Side Plates to outer-most Channel base Installing 4310-30/50-KP-BInstall the F/B Plates Side Kick Plate Plate F/B Kick Plates Back Side SimilarElectrical Conduit Knock-out Data External Layouts/DimensionsDimensional Data Page Page Industrial Division
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