Mitsubishi Electric BC11, Installation, Operation And Maintenance Manual

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BC11 B
ATTERY
C
ABINET
8/27/2013
12 755-00044 R02
6. S
YSTEM
S
PECIFICATIONS
6.1 B
ATTERIES
Please refer to system drawings for model specific information.
Type: Valve Regulated Lead Acid (VRLA), sealed, non-spillable
Voltage: 12 VDC Nominal
6.2 S
YSTEM
G
ROUNDING
Cabinet Safety Ground: Each cabinet is supplied with a mechanical ground lug that accepts bare
wire from #6 AWG to 300 MCM cable.
Torque: 325 lb-in
Wire Size and Type: Ground wire should be sized per NEC and/or all applicable national and
local codes.
Battery Cabinet Breaker or Fuse Size Minimum Copper Ground Wire Size
Up to 200 amps 6 AWG
201-300 amps 4 AWG
301-400 amps 3 AWG
401-500 amps 2 AWG
501-600 amps 1 AWG
6.3 DC O
UTPUT
Please refer to system drawings for model specific information.
Voltage: 12-480 VDC Nominal
Circuit Breaker: UL Listed 600 VDC rated. See system drawings for details.
Fuse Type:
A50QS, A50P or equal (for 384VDC Nom. bus or less)
A70QS, A70P or equal (for 480VDC Nom. bus or less)
Type HSJ
Wire Size and Type: Per NEC and/or all applicable national and local codes.
6.4 G
ENERAL
S
PECIFICATIONS
Cabinet Size: 17.9”W x 29.9”D x 40.6”H
Empty Cabinet Weight (approximately): 126 lbs.
Only cabinets with Flame Retardant Batteries are suitable for computer room
use.
All system ground wires should be derived from the main building ground source.
Wire should be sized for a maximum voltage drop of 0.5 volt.