Siemens SENTRON 5SJ4 series, miniature circuit breaker, 1-pole, D characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC / 60 V DC, 18 mm wide, 70 mm deep.
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breakers |
| Brand name | SENTRON |
| Number of poles | 1 |
| Pole design | 1P |
| Application suitability | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic class | D |
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Mounting position | any |
| Fastening method | on standard mounting rail |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Width | 18 mm |
| Height | 110 mm |
| Depth | 70 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, IP 40 in the handle range |
| Pollution degree | 3 |
| Halogen-free | Yes |
| Silicone-free | Yes |
The 5SJ4120-8HG41 is a 1-pole SENTRON miniature circuit breaker with a D tripping characteristic, rated 10 kA per EN 60898 and 15 kA per IEC 60947-2. Both are verified per the datasheet. Rated 400 V AC and 60 V DC, this pole handles line-to-neutral or line-to-line circuits. The 18 mm width and 70 mm depth fit standard DIN-rail enclosures.
Vibration resistance is specified at 50 m/s² over 25–150 Hz and 60 m/s² at 35 Hz (4 sec).
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