Siemens SENTRON 5SY4508-8, miniature circuit breaker, 2-pole (1P+N), 8 A rated, D tripping characteristic, 10 kA (EN 60898) / 20 kA (IEC 60947-2), 2 MW, IP20, halogen-free.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Number of poles | 2 |
| 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 | 36 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Modular width units | 2 |
| 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 8 A rating holds at 35 °C ambient. Above that, the thermal-magnetic trip derates linearly: 7.51 A at 40 °C, 7.26 A at 45 °C, 6.99 A at 50 °C, 6.72 A at 55 °C, and 6.43 A at 60 °C.
Halogen-free and silicon-free construction, sealable for tamper-proofing.
The 5SY4508-8 is an active catalog line within the SENTRON family, so it's specified into new BOMs without a last-time-buy clock.
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