Eaton 93PM-50-1 - Page 34

24 Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03
Table 7. Power Cable Conduit Recommendations for the Eaton 93PM-50-1
UPS
Model
UPS
Rating Voltage
Terminal
Number
of Wires
in Conduit
Minimum
Conduit
Trade Size
(inches)
Number
of
Conduits
Eaton
93PM-
50-1
20 kW
480 Vac
AC Input to UPS Rectifier
(A, B, C, Ground)
4
1”
1
AC Input to UPS Bypass
(A, B, C, Neutral, Ground)
5 (4–wire UPS) or
4 (3–wire UPS)
1-1/4”
1
AC Output
(A, B, C, Neutral, Ground)
5 (4–wire UPS) or
4 (3–wire UPS)
1”
1
DC
Battery
(Positive, Negative, Ground)
3 1-1/2” 2
Eaton
93PM-
50-1
30 kW
480 Vac
AC Input to UPS Rectifier
(A, B, C, Ground)
4
1-1/4”
1
AC Input to UPS Bypass
(A, B, C, Neutral, Ground
5 (4–wire UPS) or
4 (3–wire UPS)
1-1/4”
1
AC Output
(A, B, C, Neutral, Ground)
5 (4–wire UPS) or
4 (3–wire UPS)
1-1/4”
1
DC
Battery
(Positive, Negative, Ground)
3 1-1/2” 2
Eaton
93PM-
50-1
40 kW
480 Vac
AC Input to UPS Rectifier
(A, B, C, Ground)
4
1-1/4”
1
AC Input to UPS Bypass
(A, B, C, Neutral, Ground
5 (4–wire UPS) or
4 (3–wire UPS)
1-1/4”
1
AC Output
(A, B, C, Neutral, Ground)
5 (4–wire UPS) or
4 (3–wire UPS)
1-1/4”
1
DC
Battery
(Positive, Negative, Ground)
3 1-1/2” 2
NOTE Wires per conduit include neutral (if 4–Wire) and ground wire.
External overcurrent protection and disconnect are not provided by this product, but are required by codes. See
Table 5 for wiring recommendations. If an output lockable disconnect is required, it is to be supplied by the
customer.
Table 8 lists the recommended rating for input and bypass circuit breakers.
UPS Installation Plan and Unpacking