This earth leakage circuit breaker from ABB Haf’s System Pro M series has a total of 4 poles, 3 of which are protected (3p+n). In addition, the ground fault circuit breaker features overcurrent protection (RCBO) in four modules for protection against short-circuit currents, overloads, ground fault currents and indirect contacts. The earth leakage circuit breaker has a rated voltage of 400V, a rated current 25A, a breaking capacity of 10kA and a rated fault current of 300mA.
Specifications
Number of poles (total) : 4
Number of protected poles : 3
Rated voltage (V) : 400
Rated current (A) : 25
Rated fault current (A) : 0.3
Leakage current type : AC
Current limiting class : 3
Rated short-circuit breaking capacity according to IEC 60947-2 (kA) : 10
Surge current capacity (kA) : 4
Voltage-type : AC
Frequency : 50/60 Hz
Release characteristic : B
Concurrently switching neutral conductor : Yes
Over voltage category : 3
Pollution degree : 2
Width in number of modular spacings : 4
Built-in depth (mm) : 73
Flush-mounted installation : No
Anti-nuisance tripping version : No
Degree of protection (IP) : IP2X
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