The Siemens 5SY43166 circuit breaker, rated at 16 A, is designed to operate at voltages of 230 V and 400 V. This breaker is typically used for protecting electrical circuits from overload or short circuits. Ideal for residential and light commercial applications, it ensures reliable and safe electricity distribution.
| Type |
Circuit breaker |
| Current Ratng |
16A |
| 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) 54 x 90 x 76 mm |
| Factory colour |
Grey |
| Frequency |
50-60MHz |
| Height |
90mm |
| Number of Pins |
3 |
| Number of poles (total) |
3 |
| Number of protected poles |
3 |
| Overvoltage category |
3 |
| Pollution degree |
3 |
| 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 |
| Release characteristic |
B |
| Release characteristics |
B |
| Switch-off capacity |
5kA |
| Voltage Rating |
400V |
| Voltage type |
AC |
| Width |
54mm |
| Width in number of modular spacings |
3 |
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