Site Preparation – Operating Environment
22 AIS® 3000 10-40kVA, 400V, Site Preparation and Installation Manual – 990-2258
Minimum setting of breakers for 10kVA UPS
Note 1: For the output value, the short-circuit-level is indicated.
Minimum setting of breakers for 15kVA UPS
Note 1: For the output value, the short-circuit-level is indicated
Overload
Event Mains input Bypass input Output Duration Notes
Internal fault 2kA 1.7kA 9kA <10ms 1
800%
overload
bypass
operation
- 121.5A 121.5A 500ms
150%
overload
normal/battery
operation
- - 22.8A 30s
125%
overload
normal/battery
operation
- - 19A 60s
Continuously 16.4A 16.7A 16.7A ∞
Overload
Event Mains input Bypass input Output Duration Notes
Internal fault 2.1kA 1.8kA 9kA <10ms 1
800%
overload
bypass
operation
- 182A 182A 500ms
150%
overload
normal/battery
operation
- - 34.2A 30s
125%
overload
normal/battery
operation
- - 25.4A 60s
Continuously 24.6A 25.1A 25.1A ∞