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The Siemens 5SY4663-8 is a miniature circuit breaker from the SENTRON product line, designed for robust circuit protection in industrial and mechanical engineering applications.
This 4-pole (3P+N) breaker operates on AC voltage, with a rated supply voltage of 400V and an operational current rating of 63A at 35°C. It offers a significant switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The tripping characteristic is class D, suitable for applications with high inrush currents.
Key features include a mechanical service life of 10,000 switching cycles, touch protection, and compatibility with supplementary devices. The breaker is designed for DIN rail mounting and accepts solid or stranded conductors ranging from 0.75 mm² to 35 mm².
Environmental compliance includes being halogen-free and silicon-free. The unit has a protection class of IP20 with connected conductors. Its dimensions are 90mm height, 72mm width, and 76mm depth, with an installation depth of 70mm.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated supply voltage for the Siemens 5SY4663-8 at AC is 400 V.
The operational current rating for the Siemens 5SY4663-8 at 35°C is 63 A.
The Siemens 5SY4663-8 has 4 poles, with a design of 3P+N.
The switching capacity current according to EN 60898 is rated at 10 kA.
Yes, the Siemens 5SY4663-8 is halogen-free.