Powerware 9170+ - Manual (Page 30)

Electrical Installation
26 Powerware ® 9170 User's Guide S LTM-1344 B Uncontrolled Copy
Input Current Ratings
Table 1 contains the required circuit breaker ratings for hardwired
installations. Circuit breaker ratings for units having an input line cord
are determined by the current capacity of the line cord.
Table 1. Required Input Circuit Breaker Sizes (200ć240 Vac, 50/60 Hz)
UPS Capacity Circuit Breaker Rating
3 kVA 25A
6 kVA 40A
9 kVA 60A
12 kVA 80A
15 kVA 100A
18 kVA 125A
NOTE To accommodate the feature of easy system expandability, it is recommended
that initial installation of the Powerware 9170 UPS contain wiring to support the
maximum capacity of the UPS cabinet: 3 kVA for 3-slot cabinets; 9 kVA for 6-slot
cabinets; 18 kVA for 9- and 12-slot cabinets.
See Table 2 for recommended conductor sizes to wire the input circuit
breakers.