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The Siemens 5SY4240-8 is a 2-pole miniature circuit breaker designed for industrial and mechanical engineering applications. It offers a rated current of 40A at 35°C and a rated voltage of 400V AC.
This circuit breaker has a D-type tripping characteristic and a switching capacity of 10kA according to EN 60898. It is built with a quick assembly system for easy DIN rail mounting and features combined terminals at both the top and bottom.
Key features include a mechanical service life of 10,000 switching cycles, an overvoltage category of III, and a pollution degree of 3. The device is halogen-free and sealable, providing enhanced safety and operational integrity. Its compact dimensions (90mm height, 36mm width, 76mm depth) make it suitable for various control panel configurations.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current is 40A at 35°C.
The rated voltage is 400V.
It has 2 poles.
The tripping characteristic class is D.
The switching capacity is 10kA according to EN 60898.
Yes, it is halogen-free.