Siemens SENTRON 5SJ4 series, 3-pole miniature circuit breaker, D tripping characteristic, 10 kA (EN 60898) / 15 kA (IEC 60947-2), 400 V AC, 54 mm width, DIN rail mount.
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 3 |
| Pole configuration | 3P |
| Suitability for operation | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic (curve) | D |
| Breaking capacity per EN 60898 | 10 kA |
| Breaking capacity per IEC 60947-2 | 15 kA |
| Overvoltage category | 3 |
| IP protection class | IP20, with connected conductors, IP 40 in the handle range |
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| Supply frequency range | 50/60 Hz |
| Power loss per pole at rated current (AC, hot) | 2.1 W |
| Mechanical service life (operating cycles, typ.) | 10 000 |
| Neutral conductor switching | No |
| Parameter | Value |
|---|---|
| Modular width units | 3 |
| Mounting position | any |
| Width | 54 mm |
| Height | 121 mm |
| Depth | 70 mm |
| Installation depth | 70 mm |
| Terminal tightening torque, max. | 75 °C |
| Terminal tightening torque, min. | -40 °C |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Fastening method | on standard mounting rail |
| Sealable | Yes |
| Accepts supplementary devices | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Vibration resistance (IEC 60068-2-6) | ±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz |
The 5SJ4316-8HG42: The insulation voltage (Ui) is 440 V AC, and the overvoltage category is 3, which covers fixed-installation equipment with transient overvoltages up to 4 kV at the service entrance.
Width is 54 mm — 3 modular units on a standard DIN rail. Depth is 70 mm, height 121 mm. Mounting position is any.
Price is the top decision factor for procurement and determines budget approval.
Immediate availability drives purchase decisions and prevents project delays.
Engineers need to verify fit, voltage, interrupting capacity, and dimensions for design integration.
UL listing is critical for compliance in North American installations.
Buyers and maintenance techs need alternative parts for sourcing or replacement when Siemens is unavailable.
Lead time affects project scheduling and inventory planning for procurement teams.
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