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 |
|---|---|
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 121 mm |
| Depth | 70 mm |
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.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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