Rated frequency: 50/60Hz                                                 Continuous overload: 120%In

Rated short-time thermal current: Ith=40~60In                  Protection level: IP30

Rated dynamic current: Idyn=2.5Ith                                   Rated secondary current: X/5A(X/1A upon request)

Rated primary current: Ranging up to 6000A                     Security factor: FS<5

Maximum system voltage: 720V AC                                  Test voltage: 3kV AC(1min)

Casing: Non-flammable,polycarbonate self extinguishing ABS

Environment: Operating temperature:-25ºC-+50ºC           Storage temperature:-40ºC-+80ºC
Relative humidity, no condensation:90%