Toshiba 431A operation manual 11 431B Toshiba Battery Cabinet, 431B Door Closed

11 431B - Toshiba Battery Cabinet

1

2

3

12

13

431B - Door Closed

No.	Part
1	Toshiba Label
2	Door Latch
3	Ventilation Grill
4	Upper Battery Retention
	Plate
5	MCCB1 - Upper Battery
	Section Breaker
6	MCCB2 - Lower Battery
	Section Breaker
7	Lower Battery Retention
	Plate
8	Batteries
9	Power Bus Stubs (+), (-)
10	Ground Bus
11	Bottom Cable Access
	Port
12	Side Cable Access Port
13	Forklift Fork Slots

Figure 11-1 - 431B Component

Identification

4

5 6

8

7

109

11

431B - Door Open

11.1431B Estimated Runtimes

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

Battery	UPS Rating	DC Bus Nomi-	Batteries/Circuit Breaker	Battery Runtime in Min.
Cabinet Part		nal Voltage	Configuration	@ Full Load, 0.8 PF
Number*
431B-	300 – 30 kVA	R – 288 VDC	1- 1 Breaker, 3 Battery Strings	006	– 6 min. runtime
	300 – 30 kVA		2- 2 Breaker, 6 Battery Strings	017	– 17 min. runtime
	500 – 50 kVA		2- 2 Breaker, 6 Battery Strings	008	– 8 min. runtime

Example: 431B-500R2008is a battery cabinet with upper and lower battery sections, nominal 288 DCV, dual breakers sized for a 50kVA UPS with an approximate runtime of 8 minutes at 50kVA load at 0.8 Power Factor.

32 4300 Series Ancillary Cabinets Installation and Operation Manual