The Siemens 5SY43326 is a circuit breaker designed for a current rating of 32 A and supports voltages of 230 V and 400 V. This circuit breaker provides essential protection for electrical circuits in residential and commercial settings, ensuring safety by preventing overloads and short circuits. Typical applications include use in distribution boards for lighting and power circuits.
| Type |
Circuit breaker |
| Voltage Rating - AC |
230V AC |
| No. of Poles |
3 |
| Tripping Characteristics |
B Curve |
| Additional equipment possible |
TRUE |
| Ambient temperature during operating |
-40 - 70°C |
| Built-in depth |
70mm |
| 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 |
| Current limiting class |
3 |
| Current Ratng |
32A |
| Degree of protection (IP) |
IP20 |
| Depth |
76mm |
| Dim |
(W x H x D) 54 x 90 x 76 mm |
| Explosion-proof |
false |
| Factory colour |
Grey |
| Flush-mounted installation |
false |
| 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 |
| Power loss |
N/A |
| Rated current |
32A |
| 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 |
| Switch-off Capacity |
5kA |
| Voltage Rating |
400V |
| Voltage type |
AC |
| Weight |
0 |
| Width |
54mm |
| Width in number of modular spacings |
3 |
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