Eaton 93PM - Table 3-10. Recommended Output Circuit Breaker Ratings

UPS Installation Plan and Unpacking
Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerquality 3-23
The line-to-line unbalanced output capability of the UPS is limited only by the full load per phase current values
for AC output to critical load shown in Table 3-4 or Table 3-5. The recommended line-to-line load unbalance is
50% or less.
Bypass and output overcurrent protection and bypass and output disconnect switches are to be supplied by
the customer. Table 3-10 lists the recommended rating for output circuit breakers.
Table 3-10. Recommended Output Circuit Breaker Ratings
Output Rating
UPS Model UPS Rating Load Rating 480V
Eaton 93PM-100-1
Eaton 93PM-100-2 (N+1)
20 kW
80% Rated 30A
100% Rated 25A
Eaton 93PM-100-1
Eaton 93PM-100-2 (N+1)
30 kW
80% Rated 45A
100% Rated 40A
Eaton 93PM-100-1
Eaton 93PM-100-2 (N+1)
40 kW
80% Rated 60A
100% Rated 50A
Eaton 93PM-100-1
Eaton 93PM-100-2 (N+1)
50 kW
80% Rated 80A
100% Rated 60A
Eaton 93PM-100-2
Eaton 93PM-100-3 (N+1)
60 kW
80% Rated 90A
100% Rated 80A
Eaton 93PM-100-2
Eaton 93PM-100-3 (N+1)
70 kW
80% Rated 110A
100% Rated 90A
Eaton 93PM-100-2
Eaton 93PM-100-3 (N+1)
80 kW
80% Rated 125A
100% Rated 100A
Eaton 93PM-100-2
Eaton 93PM-100-3 (N+1)
90 kW
80% Rated 150A
100% Rated 110A
Eaton 93PM-100-2
Eaton 93PM-100-3 (N+1)
100 kW
80% Rated 150A
100% Rated 125A