Toshiba 431A 12.7 431Bx000xxER111 Backup Runtime Tables, 431B Typical Runtimes versus Load

UPS

Power

Input/

Output

Cables

4300 Series UPS

			TB3
	3	4	7	8
AC IN	TB1
	AC OUT

U V W N N U V W +

			431B
	TB1			(Battery Shunt Trip
					& Aux 1)
1	2	7	8

CB1 (DC Power)

+-

Figure 12-7 - 431B DC and Breaker Cable Connections

1.Run the pre-wired shunt trip cable shown in Figure 12.8 from the 431B through the 431B/UPS cable access port, Figure 12-5, and plug it into the corresponding MATE-N-LOK in the UPS.

2.Reinstall the dead fronts.

Figure 12-8 - 431B Factory Supplied

Shunt Trip Wiring

12.7431Bx000xxER111 Backup Runtime Tables

The following Table 12.4 gives the typical backup runtimes at various loads for a single cabinet 431Bx000xxER111.

Table 12.4 - 431B Typical Runtimes versus Load

UPS	Capacity	PF				Runtime in Minutes at % Full Load
			100%	90%	80%		70%	60%	50%	40%	30%	20%	10%
4300	30kVA	0.8	17	21	24		30	38	45	59	>90	>90	>90
4300	30kVA	0.9	15	17	20		24	33	38	53	74	>90	>90
4300	50kVA	0.8	8	9	11		14	17	24	32	46	70	>90
4300	50kVA	0.9	7	8	9		11	15	20	26	44	60	>90

4300 Series Ancillary Cabinets Installation and Operation Manual 47