400A four-pole load switch HA457

Isolating Load Switch. It is perfectly adapted to meet current requirements resulting from everyday electrical installation practice.

Current:

• Current carrying capacity of AC21 in category A: 400 A
• Rated operational current (AC23), category A: 400 A
• Current carrying capacity AC21 category B: 400 A
• Allowable current load AC22 category A : 400 A
• Allowable current load AC22 category B: 400 A
• Rated operational current (AC23), category B: 400 A
• Conventional short-circuit current: 30 kA
• Short-circuit current with gI-gG fuses: 50 kA
• Rated short-time withstand current Icw: 9 kA
• Rated short-time withstand current 1s: 9 kA

Power:

• Power supply below 440/500V 50Hz: 140 kW
• Power rating below 660V, 50 Hz.: 90 kW
• Active power below 380/415 V, 50 Hz: 132 kW
• Rated switching power for rated voltage 400V for AC1: 263 kW
< li> Total power loss at rated current: 57.6 W
• Power loss per pole at rated current: 14.4 W