Recommended Wire Size And Torque Requirements For Ups Input And Output Terminals - Toshiba 4200FA CT/XT User Manual

4.3.1 Recommended Wire Size and Torque Requirements For UPS Input and
Output Terminals
INPUT:
(H1) (H2) (H3)
208 V
220 V
240 V
380 V
400 V
415 V
480 V
600 V
All wire sizes are per the NEC. Maximum Wire Size for Input and Output is 1/0 AWG.
Neutral Conductors are rated @ 1.73 or 200% of phase conductors, per NEC. Maximum Wire Size for Neutral
is 250MCM.
Input/ Output (GND)
208-240 VAC
380-480 VAC
600 VAC
Maximum Wire Size for Battery is 250MCM.
Phase: (A) (B) (C)
Input: (H1) (H2) (H3)
208/120 V
220 V
240 V
380 V
400 V
415 V
480 V
600 V
Maximum Wire Size for Input is 1/0 AWG. Maximum Wire Size for Neutral is 250MCM.
4200FA CT/XT User's Manual
Minimum Wire Size and Torque Requirements
UPS Input and Output Terminals 50 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
AWG NEUTRAL
AWG
1/0 250MCM
1/0 4/0
1 N/A
4 1/0
4 1/0
4 1
6 2
6 N/A
50 kVA
AWG Tightening Torque
6
6
8
Battery (+) / (-)
(+) (-)
Minimum Wire Size and Torque requirements
UPS Optional Bypass Input Terminals TB4 50 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
AWG
1/0
1/0
1
4
4
4
6
6
TOSHIBA
(L1)(L2)(L3) AWG
208/120 V 1/0
220/127 V 1/0
240 V 1
380/220 V 4
400/230 V 4
415/240 V 4
480/277 V 6
600 V 6
200 in-lbs.
200 in-lbs.
200 in-lbs.
50 kVA
AWG Tightening Torque
250MCM
50 kVA
NEUTRAL AWG
250MCM
4/0
N/A
1/0
1/0
1
2
N/A
OUTPUT:
NEUTRAL
AWG
250MCM
4/0
N/A
1/0
1/0
1
2
N/A
200 in-lbs.
Tightening Torque
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
Tightening
Torque
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
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