Siemens SENTRON 5SJ4 miniature circuit breaker, 2-pole, D tripping characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC, 60 V DC, 36 mm wide, IP20/IP40.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breakers |
| Brand name | SENTRON |
| Application environment | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | D |
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Modular width units | 2 |
| Width | 36 mm |
| Height | 121 mm |
| Depth | 70 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Min. | -40 °C |
| Max. | 75 °C |
| Protection degree (IP) | IP20, with connected conductors, IP 40 in the handle range |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| At AC rated value | 400 V |
| According to EN 60898 rated value | 10 kA |
The Siemens 5SJ4210-8HG42 is a 2-pole SENTRON miniature circuit breaker with a D tripping characteristic, rated 10 kA breaking capacity per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC. On the DC side it's rated 60 V, so it can also protect a 48 VDC control bus or a battery-backed circuit.
Sealable for lockout/tagout. Insulation voltage 440 V AC.
Submit an RFQ through this listing. The part is sourced to order via independent distribution; availability and price are confirmed at quote time.
10 kA per EN 60898 and 15 kA per IEC 60947-2 at 400 V AC.
The D-curve handles high inrush currents — motor, transformer, or welding loads — without nuisance tripping, while still clearing a hard fault.
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