Siemens SENTRON 5SL4203-7, miniature circuit breaker, 2-pole, C-curve, 3 A rated, 10 kA breaking capacity per EN 60898, 400 V AC.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Application environment | Residential buildings/infrastructure |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Modular width units | 2 |
| Width | 36 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Min. | -40 °C |
| Max. | 75 °C |
| Protection degree (IP) | IP20, with connected conductors |
| Parameter | Value |
|---|---|
| Pollution degree | 2 |
| Parameter | Value |
|---|---|
| Energy Limitation Class | 3 |
The Siemens 5SL4203-7 is a 2-pole miniature circuit breaker from the SENTRON 5SL series, rated 3 A at 400 V AC with a C-tripping characteristic.
At 40 °C ambient the 3 A rating derates to 2.84 A; at 45 °C it drops to 2.76 A, and at 55 °C to 2.59 A. IP20 protection applies only with connected conductors, so the distribution board must provide the environmental seal.
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