Siemens SENTRON miniature circuit breaker, 5SL4125-6, 1-pole, B-curve, 25 A, 10 kA, 230/400 V AC.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Number of poles | 1 |
| Pole design | 1P |
| Application suitability | Residential buildings/infrastructure |
| Parameter | Value |
|---|---|
| Tripping characteristic class | B |
| Energy limitation class | 3 |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Mounting position | any |
| 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 | 2 |
| Halogen-free | Yes |
| Silicone-free | Yes |
The Siemens SENTRON 5SL4125-6 is a 1-pole miniature circuit breaker with a B-tripping characteristic, rated 25 A at 30 °C and 400 V AC. Temperature derating is published: 23.1 A at 40 °C, 22 A at 45 °C, 19.91 A at 55 °C — factor that into the continuous load if the panel runs warm.
Snap-on DIN rail mount, 18 mm width (1 modular unit), 76 mm depth, 70 mm installation depth. Any mounting position is allowed. Sealable, halogen-free, silicon-free.
10 kA per EN 60898 and IEC 60947-2 at 400 V AC. That is the maximum fault current it can safely interrupt.
The 5SL4363-7 is a C-curve variant (higher inrush tolerance) versus the B-curve of the 5SL4125-6. Both are 1-pole SENTRON MCBs; the trip characteristic is the deciding factor — B for resistive/cable protection, C for motor or transformer loads. Panel footprint and breaking capacity are the same.
Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time.
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