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

4.1.1

Recommended Wire Size and Tightening Torque for UPS Input/Output Terminals

Minimum/Maximum Wire Size and Tightening Torque
Main Input &
Bypass Input
208 VAC
380, 400, 415 VAC
480 VAC
600 VAC
Output
208 V/120 VAC
Battery Circuit
288 VDC Nominal
Input/Output
Ground
All wire sizes are per NEC
Use copper wiring with at least 90°C rated insulation
Neutral Conductors are rated @ 1.73 or 200% of phase conductors, per NEC
Note 1: Use a UL listed lug suitable for the wire size used.
Note 2: Use tightening torque recommended by manufacturer of lug used.
14
TOSHIBA
of UPS Input and Output Terminals
AWG
(H1 – H3,
BYP1, BYP2, BYP3)
300 MCM to 500 MCM
2/0 AWG to 500 MCM
1/0 AWG to 500 MCM
1/0 AWG to 500 MCM
AWG
(L1, L2, L3)
300 MCM to 500 MCM
AWG
(POS, NEG)
400 MCM to 600 MCM
AWG
(GND)
2 AWG minimum (see note 1)
AWG
(N, BYPN)
400 MCM to 500 MCM
400 MCM to 500 MCM
400 MCM to 500 MCM
400 MCM to 500 MCM
AWG
(OUTN)
400 MCM to 500 MCM
Tightening Torque
(in-lbs.)
375
375
375
375
Tightening Torque
(in-lbs.)
375
Tightening Torque
(in-lbs.)
500
Tightening Torque
(in-lbs.)
(see note 2)
4200FA User's Manual