Toshiba operation manual 431A Assembled, All cabinets are O’Brien Black Textured

10 431A - Toshiba Auxiliary Cabinet

51

2

3

4

6

13

431A - Assembled

No.	Part	5
1	Fan Module (Hot		1
	Swappable)
2	Toshiba Label
3	Air Filter Grill Thumb
	Screws
4	Air Filter Grill
	(Front Accessible)
5	Top Cable Access
	Plate
6	Side Cable Access		8
	Plates
7	Bottom Cable Access
	Plate		9
8	TB-2		12
9	TB-1
10	Ground Bus
11	Input Transformer
12	Output transformer		11
13	Forklift Lifting Points	6
			6
		10
			7

Figure 10-1 - 431A Component

Identification 431A - Front Panels and Dead Fronts Removed

10.14300 Auxiliary Cabinet Transformer Options

(All cabinets are O’Brien Black (Textured))

Xfmr Cabinet	Transformer	Input Transformer(s) Primary	# of	Output Transformer
Part Number*	Rating	and Secondary Line Voltage IN,	Φ	208/120 V IN, Load Voltage OUT
		208/120 V OUT
431A-	300 – 30 kVA	Where line voltage is :	3	Where load voltage is :
	500 – 50 kVA	B – 208 V (Δ)		H – 220/127 V (Y)
		C – 240 V (Δ)		J – 240/138 V (Y)
		M – 600 V (Δ)		K – 480/277 V (Y)
		N – 380/400/415 V (Δ) (multi-tap)		M – 600/347 V (Y)
		S – 480 V (Δ)		P – 380/220 V (Y)
		X – 208/120 V (Y) (No Transformer)		Q – 400/230 V (Y)
				X – 208/120 V (Y) (No Transformer)

Example: 431A500S3K is a 50kVA, three-phase transformer cabinet with a 480V to 208/120V input trans- former, and a 208/120 V to 480/277 V output transformer.

24 4300 Series Ancillary Cabinets Installation and Operation Manual