APC Smart-UPS VT Installation Manual Page 27

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Site Preparation – Operating Environment
990-2283 Smart-UPS® VT 10-40kVA 400V Site Preparation and Installation Manual 19
Minimum breaker setting for 20kVA UPS
Note 1: For the output value, the short-circuit-level is indicated.
Minimum breaker setting for 30kVA UPS
Note 1: For the output value, the short-circuit level is indicated.
Overload
Event
Mains input Bypass input Output Duration Notes
Internal fault 2.5kA 2.3kA 9kA <10ms 1
800%
overload
bypass
operation
244A 244A 500ms
150%
overload
normal/battery
operation
45.6A 30s
125%
overload
normal/battery
operation
38A 60s
Continuously
(380V)
32.5A 33.4A 33.4A
Overload
Event
Mains input Bypass input Output Duration Notes
Internal fault 3 kA 2.3kA 14 kA <10 ms 1
800%
overload
bypass
operation
365A 365A 500ms
150%
overload
normal/battery
operation
68.4A 30s
125%
overload
normal/battery
operation
57A 60s
Continuously
(380V)
49.2A 50.1A 50.1A
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