Siemens SENTRON 5SY4140-8CC, miniature circuit breaker, 1-pole, 40 A, tripping characteristic D, 10 kA per EN 60898, 5 kA per UL 1077, IP20.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Number of poles | 1 |
| Application suitability | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic class | D |
| Rated value (EN 60898) | 10 kA |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Mounting position | any |
| Fastening method | Quick assembly system |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Width | 18 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 |
The 40 A rating holds at 35 °C ambient. At 40 °C it derates to 36.76 A, at 45 °C to 35 A, and at 55 °C to 31.24 A.
Mounting position is any — horizontal, vertical, upside down — so it fits tight sub-panels without worrying about orientation. IP20 with conductors connected; pollution degree 3, overvoltage category III.
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