The siemens sentron series miniature circuit breaker has a 3+n pole and has a current breaking capacity of 6ka. In the event of an overload or short-circuit this miniature circuit breakers safely cut off the connected circuit and reliably protect electrical installations and equipment from damage. The device have a uniform design and, with the appropriate accessories, can be expanded by many additional functions. Type c tripping characteristic. Simple to mount and install.
Specifications
Built-in depth (mm) : 70
Release characteristic : C
Number of poles (total) : 4
Number of protected poles : 3
Rated current (A) : 20
Rated voltage (V) : 400
Rated insulation voltage Ui (V) : 440
Rated impulse withstand voltage Uimp (kV) : 4
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V (kA) : 6
Voltage-type : AC
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V (kA) : 6
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V (kA) : 15
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V (kA) : 15
Frequency (Hz) : 50 Hz to 50 Hz
Current limiting class : 3
Flush-mounted installation : No
Concurrently switching neutral conductor : Yes
Pollution degree : 3
Additional equipment possible : Yes
Width in number of modular spacings : 4
Ambient temperature during operating (°C) : -25 °C to 55 °C
Connectable conductor cross section multi-wired (mm²) : 0.75 mm² to 35 mm²
Connectable conductor cross section solid-core (mm²) : 0.75 mm² to 35 mm²
Explosion-proof : No
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