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This Siemens SENTRON 5SY4404-7 is a 4-pole miniature circuit breaker designed for reliable circuit protection. It offers a rated operational current of 4A at 35°C and a voltage rating of 400V AC.
The breaker features a C-type tripping characteristic, suitable for applications requiring higher inrush current handling. With a mechanical service life of 10,000 switching cycles and a breaking capacity of 10kA according to EN 60898, it ensures durability and safety.
Designed for industrial and mechanical engineering applications, this circuit breaker supports conductor cross-sections from 0.75 mm² to 35 mm² (solid/stranded) and features screw-type terminals with a tightening torque range of 2.5-3.5 N·m. It is halogen-free and silicon-free.
Mounting is facilitated via a quick assembly system onto a standard DIN rail. The unit has dimensions of 90mm height, 72mm width, and 76mm depth, with an installation depth of 70mm. It conforms to standards such as IEC/EN 60898-1 and IEC/EN 60947-2.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 4A at 35°C and 400V AC.
The circuit breaker has 4 poles.
The rated voltage is 400V AC.
The tripping characteristic class is C.
The breaking capacity is 10kA according to EN 60898 and 35kA according to IEC 60947-2.
It uses a DIN rail mounting type with a quick assembly system.