Siemens 5SY4308-8CC11
MPN5SY4308-8CC11
Miniature circuit breaker 400 V 10kA, 3-pole, D, 8A for railway applications
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 3 |
| Suitability for operation | Mechanical engineering / industry |
Protection
| Parameter | Value |
|---|---|
| Tripping characteristic (curve) | D |
| Breaking capacity per EN 60898 | 10 kA |
| Overvoltage category | III |
| IP protection class | IP20, with connected conductors |
Electrical
| Parameter | Value |
|---|---|
| Rated current (AC) | 400 V |
| Rated voltage (AC, multi-phase) | 440 V |
| Rated frequency | 50/60 Hz |
Mechanical
| Parameter | Value |
|---|---|
| Mounting position | any |
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Sealable | Yes |
Environmental
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Influence of surrounding temperature | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
MPN
5SY4308-8CC11