Siemens SENTRON 5SY4102-7XX02 miniature circuit breaker, 1-pole, C tripping characteristic, 10 kA (EN 60898-1) / 35 kA (IEC 60947-2), with integrated auxiliary switch 1NO+1NC, 1 modular width (27 mm).
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Number of poles | 1 |
| Pole design | 1P |
| Application suitability | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Energy limitation class | 3 |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Mounting position | any |
| Fastening method | Quick assembly system |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Width | 27 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Modular width units | 1 |
| Torque, min. | -40 °C |
| Torque, max. | 75 °C |
| Sealable | Yes |
| Parameter | Value |
|---|---|
| IP protection class | IP20, with connected conductors |
| Pollution degree | 3 |
| Halogen-free | Yes |
| Silicone-free | Yes |
Rated IP20 with conductors connected — fine for a closed panel, not for wet-area exposure. Temperature range runs -40 °C to 75 °C, with humidity derating above 55 °C (95% RH at 55 °C, dropping to 35% at 75 °C).
Rated 10 kA per IEC/EN 60898-1 and 35 kA per IEC 60947-2. Under UL 1077 it carries a 5 kA interrupting rating at 277 V AC.
Yes — both share the same SENTRON 1-pole footprint, 27 mm width, and DIN-rail mounting. The difference is the current rating; the 5SY4140-7 is a higher-amp variant. If your load is within the 5SY4102-7XX02's rating, the swap is mechanical and electrical drop-in.
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