Siemens Miniature circuit breaker, 3-pole, 400 V, C-curve, 10 A (5SY7310-7CC) is a SENTRON series protective device designed for reliable overload and short-circuit protection in low-voltage electrical distribution systems. With a high breaking capacity, compact modular design and DIN rail mounting, this breaker offers robust protection for three-phase circuits in industrial, commercial and residential installations.
The Siemens 5SY7310-7CC miniature circuit breaker is used to protect three-phase electrical circuits in industrial, commercial and residential distribution boards. It provides dependable overload and short-circuit protection for feeders, branch circuits and general power loads in distribution panels and control systems.
| Additional equipment possible | Yes |
| Ambient temperature during operating | -25 °C |
| Built-in depth | 70 mm |
| Connectable conductor cross section multi-wired | 0.75 mm² |
| Connectable conductor cross section solid-core | 35 mm² |
| 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 | 3.3 W |
| Rated current | 10 A |
| Rated impulse withstand voltage Uimp | 4 kV |
| Rated insulation voltage Ui | 440 V |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V | 25 kA |
| Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V | 25 kA |
| Rated voltage | 400 V |
| Release characteristic | C |
| Voltage type | AC |
| Width in number of modular spacings | 3 |
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