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The Siemens 5SY4406-8 is a 4-pole miniature circuit breaker from the SENTRON product family. It is designed for AC power systems with a rated operating voltage of 400V and a rated current of 6A at 35°C.
This circuit breaker features a Type D tripping characteristic, providing protection against overcurrents and short circuits with a switching capacity of 10kA according to EN 60898. It has an insulation voltage of 440V and is suitable for industrial and mechanical engineering applications.
The device is built for DIN rail mounting and has a compact design with dimensions of 90mm height, 72mm width, and 76mm depth, occupying 4 modular width units. It supports conductor cross-sections from 0.75 mm² to 35 mm² for solid and stranded wires.
Additional features include a mechanical service life of 10,000 switching cycles, an overvoltage category of III, and a degree of pollution of 3. The circuit breaker is also halogen-free and silicon-free.
| 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 6 A at 35°C.
The operating voltage is 400 V AC.
It has 4 poles.
The tripping characteristic is Type D.
The switching capacity is 10 kA according to EN 60898.
It uses DIN rail mounting.
Yes, it is halogen-free.