Siemens SENTRON 5SN4350-7CN, miniature circuit breaker, 3-pole, C characteristic, 50 A, 10 kA per EN 60898 at 400 V AC, 3 modular width units.
| Parameter | Value |
|---|---|
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
At 54 mm wide (3 modular width units) and 76 mm deep, it occupies standard DIN-rail space. Solid conductors up to 25 mm² land on the terminals — enough for a 50 A feed on a sub-main or feeder breaker. Mounting position is unrestricted, so it works in vertical or horizontal panel layouts without derating the thermal trip. The sealable design lets a panel builder or inspector lock the breaker in the OFF position for lockout/tagout compliance.
10 kA rated breaking capacity per EN 60898 at 400 V AC. That covers standard commercial and light industrial fault levels.
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