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 is equipped with overcurrent protection (RCBO) in four modules for protection against short circuit currents, overload, ground fault currents, indirect contacts and additional protection against direct contacts. The earth leakage circuit breaker has a rated voltage of 400V, a rated current of 16A, 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 insulation voltage Ui (V) : 500
Rated impulse withstand voltage Uimp (kV) : 4
Rated current (A) : 16
Rated fault current (A) : 0.3
Leakage current type : A
Current limiting class : 3
Rated short-circuit breaking capacity according to EN 61009 (kA) : 6
Rated short-circuit breaking capacity according to IEC 60947-2 (kA) : 10
Rated short-circuit breaking capacity Icn according to EN 61009-1 (kA) : 6
Disconnection characteristic : Undelayed
Surge current capacity (kA) : 4
Voltage-type : AC
Frequency : 50/60 Hz
Release characteristic : C
Concurrently switching neutral conductor : Yes
With interlocking device : Yes
Over voltage category : 3
Pollution degree : 2
Ambient temperature during operating (°C) : -25 °C to 55 °C
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
Connectable conductor cross section solid-core (mm²) : 25 mm² to 25 mm²
Connectable conductor cross section multi-wired (mm²) : 1 mm² to 25 mm²
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