User's Guide Power Supply 9170

Electrical Installation

Powerware

9170 User's Guide  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 (200240 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.