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UPS WITH BYPASS ELECTRICAL INSTALLATION
Eaton 9170
+
UPS (3–18 kVA) User's Guide S 164201393 Rev E www.eaton.com/powerquality
21
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 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.
C A U T I O N
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. See Table 16 and Table 17
starting on page 98.