Siemens manufactures the 5SY41087 circuit breaker, which is rated for 8 A and can operate at 230 V or 400 V. This circuit breaker is designed to protect electrical circuits from overloads and short circuits. It is typically used in residential or commercial electrical systems to ensure safety and reliability.
| Type |
Circuit breaker |
| Additional equipment possible |
TRUE |
| Built-in depth |
70mm |
| Compatible with (details) |
SENTRON |
| Concurrently switching neutral conductor |
FALSE |
| Current limiting class |
3 |
| Degree of protection (IP) |
IP20 |
| Depth |
76mm |
| Dim |
(W x H x D) 18 x 90 x 76 mm |
| Factory colour |
Grey |
| Frequency |
50-60MHz |
| Height |
90mm |
| Nominal current |
8A |
| Nominal current - rounded value |
8A |
| Number of pins |
1 |
| Number of poles (total) |
1 |
| Number of protected poles |
1 |
| Operating voltage |
440V |
| Overvoltage category |
3 |
| Pollution degree |
3 |
| Rated Current |
8A |
| Rated impulse withstand voltage Uimp |
4 |
| Rated insulation voltage Ui |
440V |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V |
10kA |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V |
10kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V |
20kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V |
20kA |
| Rated voltage |
400V |
| Release characteristic |
C |
| Release characteristics |
C |
| RoHS-compliant |
Yes |
| Switch-off capacity |
5kA |
| Voltage type |
AC |
| Width |
18mm |
| Width in number of modular spacings |
1 |
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