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UPS Installation Plan and Unpacking
3-20
Eaton 93E UPS (15-80 kVA, 380/400/415V) Installation and Operation Manual
There is no DC disconnect device within the UPS. A battery disconnect switch is recommended, And may be
required by local codes when batteries are remotely located. The battery disconnect switch should be installed
between the battery and the UPS
External DC input overcurrent protection and disconnect switch for the remote battery location is to be
provided by the user. Table 3-9 lists the maximum rating for continuous-duty rated circuit breakers satisfying the
criteria for both.
Battery voltage is computed at 2 volts per cell. Rated battery current is computed at 2 volts per cell. The battery
wiring used between the battery and the UPS should not allow a voltage drop of more than 1% of nominal DC
voltage at rated battery current. If the conductors used for DC input from the battery cabinets to the UPS are
those provided by the UPS manufacturer, and the UPS and battery cabinets are manufactured by the same
supplier, then it is acceptable if they do not meet the noted minimum conductor sizes.
Table 3-9. Recommended DC input circuit breaker rating
Circuit Breaker Rating
UPS Model
Load Derating
Rated battery voltage
(DC 432V, External battery 36 blocks)
Rated battery voltage
(DC 384V, Internal battery 32 blocks)
93E-15
80% Derated
43A
48A
100% Rating
34A
39A
93E-20
80% Derated
57A
64A
100% Rating
46A
52A
93E-30
80% Derated
86A
97A
100% Rating
69A
77A
93E-40
80% Derated
114A
129A
100% Rating
92A
103A
93E-60
80% Derated
172A
193A
100% Rating
137A
155A
93E-80
80% Derated
229A
258A
100% Rating
183A
206A
Содержание 93E UPS
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