- Eaton UPS User's Guide

UPS ELECTRICAL INSTALLATION

Eaton 9170

UPS (3–18 kVA) User's Guide S 164201393 Rev E www.eaton.com/powerquality

Input Current Ratings

Table 6 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 6. Required Input Circuit Breaker Sizes (200–240 Vac, 50/60 Hz)

UPS Capacity Input Circuit Breaker Rating

3 kVA 25A

6 kVA 40A

9 kVA 60A

12 kVA 80A

15 kVA 100A

18 kVA 125A

NOTE If you are installing an optional battery charger module, refer to that user's guide for

the proper input circuit breaker sizes and ratings.

NOTE To accommodate the feature of easy system expandability, it is recommended that

initial installation of the Eaton 9170+ UPS contains 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.