Toshiba 4200FA user manual H1 H2 H3, L1L2L3, Tightening Torque, Battery + 50 kVA

TOSHIBA

4.3.1Recommended Wire Size and Torque Requirements For UPS Input and Output Terminals

Minimum Wire Size and Torque Requirements

UPS Input and Output Terminals 50 kVA

(USE MINIMUM 75° C INSULATED COPPER WIRING)

	INPUT:				OUTPUT:
(H1) (H2) (H3)	AWG		NEUTRAL	(L1)(L2)(L3)	AWG	NEUTRAL	Tightening
			AWG			AWG	Torque
208	1/0		250MCM	208/120	1/0	250MCM	200 in-lbs.
220	1/0	4/0		220/127	1/0	4/0	200 in-lbs.
240	1		N/A	240	1	N/A	200 in-lbs.
380	4	1/0		380/220	4	1/0	200 in-lbs.
400	4	1/0		400/230	4	1/0	200 in-lbs.
415	4	1		415/240	4	1	200 in-lbs.
480	6	2		480/277	6	2	200 in-lbs.
600	6		N/A	600	6	N/A	200 in-lbs.

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)		50 kVA
	AWG		Tightening Torque
208-240VAC	6		200 in-lbs.
380-480VAC	6		200 in-lbs.
600VAC	8		200 in-lbs.

	Battery (+) / (-)		50 kVA
		AWG		Tightening Torque
(+) (-)		250MCM		200 in-lbs.

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)		50 kVA
	Input: (H1) (H2) (H3)	AWG	NEUTRAL AWG	Tightening Torque
208/120		1/0	250MCM	200 in-lbs.
220		1/0	4/0	200 in-lbs.
240		1	N/A	200 in-lbs.
380		4	1/0	200 in-lbs.
400		4	1/0	200 in-lbs.
415		4	1	200 in-lbs.
480		6	2	200 in-lbs.
600		6	N/A	200 in-lbs.

Maximum Wire Size for Input is 1/0 AWG. Maximum Wire Size for Neutral is 250MCM.

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