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The Siemens 5SY4263-8 is a 2-pole miniature circuit breaker designed for reliable circuit protection in industrial and mechanical engineering applications. It offers an operational current rating of 63A at AC and a voltage rating of 400V.
This circuit breaker features a Type D tripping characteristic, providing protection against overloads and short circuits. It has a high switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. The device is built with touch protection and is sealable, offering enhanced safety and tamper resistance.
Designed for convenience, the 5SY4263-8 supports DIN rail mounting and accepts solid, stranded, and finely stranded conductors ranging from 0.75 mm² to 35 mm². It also meets halogen-free and silicon-free requirements, making it suitable for various environmental conditions.
Key technical data includes a mechanical service life of 10,000 switching cycles, an overvoltage category of III, and a degree of pollution of 3. The compact dimensions (36mm width, 70mm installation depth) ensure efficient use of space in control panels.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 5SY4263-8 circuit breaker has an operational current rating of 63A at AC.
The Siemens 5SY4263-8 has a supply voltage rating of 400V at AC and an insulation voltage (Ui) of 440V.
The Siemens 5SY4263-8 is a 2-pole miniature circuit breaker.
The 5SY4263-8 features a Type D tripping characteristic.
The switching capacity current is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
The Siemens 5SY4263-8 uses DIN rail mounting.
Yes, the Siemens 5SY4263-8 is halogen-free.