The Siemens circuit breaker, model 5SY42027, is designed for 2 A current ratings and supports 230 V and 400 V applications. It offers robust protection for electrical installations by automatically cutting off power during overloads or short circuits. Typically used in residential and commercial settings, it ensures safety and reliability in electrical networks.
| Type |
Circuit breaker |
| Additional equipment possible |
TRUE |
| Ambient temperature during operating |
-40 - 70°C |
| Built-in depth |
70mm |
| Circuit breaker type |
Miniature circuit breaker |
| Compatible with (details) |
SENTRON |
| Concurrently switching neutral conductor |
FALSE |
| Connectable conductor cross section multi-wired |
0.75 - 35mm² |
| Connectable conductor cross section solid-core |
0.75 - 35mm² |
| Country of origin |
Germany |
| Current limiting class |
3 |
| Current Ratng |
2A |
| Degree of protection (IP) |
IP20 |
| Depth |
76mm |
| Dim |
(W x H x D) 36 x 90 x 76 mm |
| Explosion-proof |
false |
| Factory colour |
Grey |
| Flush-mounted installation |
false |
| Frequency |
50-60MHz |
| Height |
90mm |
| Input Current |
2 A |
| Input frequency |
50/60 Hz |
| Input Voltage |
400 V |
| International Protection (IP) code |
IP20 |
| Number of Pins |
2 |
| Number of Poles |
2 |
| Number of poles (total) |
2 |
| Number of protected poles |
2 |
| Operating temperature (T-T) |
-40 - 70 °C |
| Overvoltage category |
3 |
| Package depth |
84mm |
| Package height |
92mm |
| Package width |
40mm |
| Pollution degree |
3 |
| Power loss |
N/A |
| Protection Class |
III |
| Quantity per pack |
1 pc(s) |
| Rated current |
2A |
| 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 |
35kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V |
35kA |
| Rated voltage |
400V |
| Release characteristic |
C |
| Release characteristics |
C |
| Switch-off capacity |
5kA |
| Voltage Rating |
400V |
| Voltage type |
AC |
| Weight |
315 g |
| Width |
36mm |
| Width in number of modular spacings |
2 |
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