Toshiba operation manual 10 431A Toshiba Auxiliary Cabinet

10 431A - Toshiba Auxiliary Cabinet

The 431A Toshiba Auxiliary Cabinet is available in three basic configurations:

•Two Transformers

•One Transformer and a 12 pole PDP

•Maintenance Bypass Panel (MBS) and a 12 pole PDP

NOTE: Units with PDP ship with the 12-pole Breaker Box Unpopulated. The customer is responsible for supplying the circuit breakers for the PDP.

	431A
	Input	4300 UPS		Output
	Trans-			Trans-
	former			(208V former
AC Input	(208V
	Wye)	UPS	UPS	Wye)	Output
3Φ-3W 0r		IN	OUT		3Φ-3W or
3Φ-4W	T1			T2	3Φ-4W
Figure 9-3a - 431A Auxiliary Cabinet with two transformers
	431A
	Input	4300 UPS
	Trans-
	former
AC Input	(208V			PDP	Output
	Wye)	UPS	UPS
3Φ-3W 0r		IN	OUT		3Φ-3W or
3Φ-4W	T1				3Φ-4W

Figure 9-3b - 431A Auxiliary Cabinet with one transformer and PDP

	431A	Maintenance Bypass Switch
			CB2
			4300 UPS		UPS
	UPS Input				Output
AC Input	Isolation				Isolation
			UPS	UPS
3Φ-3W 0r	CB1		IN	OUT	CB3
3Φ-4W
	T1

PDP

Output

3Φ-3W or

3Φ-4W

Figure 9-3c - 431A Auxiliary Cabinet with MBS and PDP

Figure 9-3 - 431A Auxiliary Transformer Cabinet Configuration Options

4300 Series Ancillary Cabinets Installation and Operation Manual 23