Toshiba 431A 11.7 431B Backup Runtime Tables, 431B Factory Supplied Shunt Trip Wiring

1.Run the pre-wired shunt trip cable shown in Figure 11.7 from the 431B through the 431B/UPS cable access port located at the bottom left side of the 431B, to the UPS 24VDC power supply on the lower left side of the UPS.

2.Plug the shunt trip cable connector into the shunt trip receptacle in the lower left front of the UPS. (The connectors are keyed to only plug in one way.)

3.Reinstall the dead fronts.

Figure 11-7 - 431B Factory Supplied

Shunt Trip Wiring

11.7431B Backup Runtime Tables

The following give the typical backup runtimes at various loads for a single cabinet 431B.

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

38 4300 Series Ancillary Cabinets Installation and Operation Manual