Siemens SENTRON 5SL6263-6, 2-pole miniature circuit breaker, B tripping characteristic, 63 A rated current at 30 °C, 6 kA breaking capacity (EN 60898), 400 V AC, width 36 mm (2 MW).
| 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 | B |
| 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 5SL6263-6 is a 2-pole miniature circuit breaker from the SENTRON range, B-curve, rated 63 A at 30 °C per EN 60898 and IEC 60947-2. Derate to 59.18 A at 40 °C and 52.93 A at 55 °C if the panel ambient runs warm.
Overvoltage category III, pollution degree 2. Sealable, halogen-free, silicon-free. Mechanical service life typical 10 000 operating cycles.
Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time.
6 kA per both EN 60898 and IEC 60947-2.
Both are 2-pole SENTRON MCBs on the same 36 mm footprint, so mechanical fit is identical. The 5SL6263-6 is a B-curve 63 A unit; the 5SL4120-7CC is a different rating and curve — verify the branch circuit requirements before substituting.
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