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The Siemens 5SY4503-5 is a miniature circuit breaker from the SENTRON product family. It is designed for AC power distribution and protection applications, operating at a rated voltage of 230V.
Key electrical specifications include a 3A operational current rating at 35°C, a 10kA switching capacity according to EN 60898, and a 15kA capacity according to IEC 60947-2. The breaker has a tripping characteristic of class A and features a 1+N pole configuration, with neutral conductor switching enabled. It is built with an overvoltage category of III and a degree of pollution of 3.
This circuit breaker is suitable for DIN rail mounting and offers touch protection. Its mechanical service life is typically 10,000 switching cycles. The protection class is IP20 with connected conductors.
Applications for this circuit breaker include industrial settings and mechanical engineering, providing reliable overcurrent protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The supply voltage for the Siemens 5SY4503-5 circuit breaker is 230 V at AC.
The Siemens 5SY4503-5 circuit breaker has a rated operational current of 3 A at 35°C.
The switching capacity of the Siemens 5SY4503-5 circuit breaker is 10 kA according to EN 60898 and 35 kA according to IEC 60947-2.
The tripping characteristic of the Siemens 5SY4503-5 is Class A.
The Siemens 5SY4503-5 circuit breaker is designed for DIN rail mounting.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.