Power Supply User Manual

47
4300 Series Ancillary Cabinets Installation and Operation Manual
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.
12.7 431Bx000xxER111 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
Figure 12-8 - 431B Factory Supplied
Shunt Trip Wiring
431B
UPS
Power
Input/
Output
Cables
4300 Series UPS
(Battery Shunt Trip
& Aux 1)
CB1
+ -
TB1
1 2 7 8
(DC Power)
Figure 12-7 - 431B DC and Breaker Cable Connections
TB1
AC OUT
AC IN
U V W
U V W
N +N
TB3
3 4 7 8