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

Uninterruptible power system three-phase 75 / 80 kva ups
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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
208VAC
380, 400, 415VAC
480VAC
600VAC
Output
208V/120VAC
Battery Circuit
288VDC 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.
T O S H I B A
of UPS Input and Output Terminals
AWG
(H1 – H3,
BYP1, BYP2, BYP3)
300MCM to 500MCM
2/0 to 500MCM
1/0 to 500MCM
1/0 to 500MCM
AWG
(L1, L2, L3)
300MCM to 500MCM
AWG
(POS, NEG)
400MCM to 600MCM
AWG
(GND)
2 minimum (see note 1)
19
AWG
(N, BYPN)
400MCM to 500MCM
400MCM to 500MCM
400MCM to 500MCM
400MCM to 500MCM
AWG
(OUTN)
400MCM to 500MCM
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)

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