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

4.3.1

Recommended Wire Size and Torque Requirements For UPS Input and Output Terminals

INPUT:
(H1) (H2) (H3) AWG
208
220
240
380
400
415
480
600
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)
208-240VAC
380-480VAC
600VAC
Battery (+) / (-)
(+) (-)
Maximum Wire Size for Battery is 250MCM.
Minimum Wire Size and Torque requirements
UPS Optional Bypass Input Terminals TB4 50 kVA
(USE MINIMUM 75° C INSULATED COPPER WIRING)
Phase: (A) (B) (C)
Input: (H1) (H2) (H3)
208/120
220
240
380
400
415
480
600
Maximum Wire Size for Input is 1/0 AWG. Maximum Wire Size for Neutral is 250MCM.
TOSHIBA
Minimum Wire Size and Torque Requirements
UPS Input and Output Terminals 50 kVA
(USE MINIMUM 75° C INSULATED COPPER WIRING)
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
50 kVA
AWG Tightening Torque
250MCM
AWG NEUTRAL AWG
1/0 250MCM
1/0 4/0
1 N/A
4 1/0
1/0
4
4
6
6 N/A
OUTPUT:
(L1)(L2)(L3) AWG
208/120 1/0
220/127 1/0
240 1
380/220 4
400/230 4
415/240 4
480/277 6
600 6
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
50 kVA
Tightening Torque
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
200 in-lbs.
1 200 in-lbs.
2 200 in-lbs.
200 in-lbs.
25
NEUTRAL Tightening
AWG
Torque
250MCM 200 in-lbs.
4/0 200 in-lbs.
N/A 200 in-lbs.
1/0 200 in-lbs.
1/0 200 in-lbs.
1 200 in-lbs.
2 200 in-lbs.
N/A 200 in-lbs.