The Siemens 5SJ4316-7HG42 is a SENTRON 5SJ4 series miniature circuit breaker (MCB) designed for reliable protection against overload and short-circuit faults in low-voltage electrical systems. This 3-pole MCB has a rated current of 16 A, a C tripping characteristic suitable for general loads with moderate inrush currents, and a high breaking capacity of 10 kA at 400 V AC. It ensures dependable performance and safety in industrial and commercial distribution applications.
Ideal for use in residential, commercial, and industrial distribution boards and control panels where compact, reliable three-pole protection is required. Suitable for general-purpose circuits and systems with moderate inrush currents, including lighting, socket outlets, and small motor loads.
| Additional equipment possible | Yes |
| Ambient temperature during operating | 55 °C |
| Built-in depth | 70 mm |
| Degree of protection (IP) | IP20 |
| Frequency | 50 Hz |
| Number of poles (total) | 3 |
| Number of protected poles | 3 |
| Over voltage category | 3 |
| Pollution degree | 3 |
| Power loss | 6.6 W |
| Rated current | 16 A |
| Rated insulation voltage Ui | 440 V |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V | 10 kA |
| Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V | 10 kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V | 15 kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V | 15 kA |
| Rated voltage | 400 V |
| Release characteristic | C |
| Voltage type | AC/DC |
| Width in number of modular spacings | 3 |
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