Circuit breaker
Piston type fuse
MCB 3-POLE. B 20 A S203-B20
ABB
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Benefits:
- Wide and comprehensive assortment, suited for diverse applications and industries
- Worldwide approvals
- Certificates, documentation, training, and background information available to support client needs
- Unique technology and bottom-up-mount auxiliary contactor save time and space
Properties:
- Available for fault currents B, C, D, K, and Z as well as poles 1P, 1P+N, 2P, 3P, 3P+N, and 4P
- Breaking capacity max. up to 25 kA and rated current max. 63 A, depending on the product series
Compatibility with international standards depending on the product series:
- IEC/EN 60898-1
- IEC/EN 60947-2
- UL 1077
- UL 489
- CSA 22.2 No. 235
- CSA 22.2 No. 5
Suitable for domestic, industrial, and real estate electricity applications.
The wire guards have two connection slots for max. 35 mm2 and 10 mm2 cables. Power can easily be supplied with a busbar to the lower connector spot with outgoing wires connected to the upper spot.
Datasheets(X)
Built-in depth | 68 mm |
Release characteristic | B |
Number of poles (total) | 3 |
Number of protected poles | 3 |
Rated current | 20 A |
Rated voltage | 400 V |
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V | 6 kA |
Voltage type | AC/DC |
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V | 6 kA |
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V | 10 kA |
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V | 20 kA |
Frequency | 50-50 Hz |
Current limiting class | 3 |
Concurrently switching neutral conductor | No |
Over voltage category | 3 |
Pollution degree | 2 |
Additional equipment possible | Yes |
Width in number of modular spacings | 3 |
Degree of protection (IP) | IP20 |
