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The Siemens 5SY4103-7 is a miniature circuit breaker designed for reliable overcurrent protection in electrical systems. This 1-pole device operates with a C-curve tripping characteristic, suitable for general-purpose applications.
Key electrical specifications include a rated operational current of 3A at 35°C, a rated supply voltage of 400V AC, and a switching capacity of 10kA according to EN 60898. It also features an insulation voltage (Ui) of 440V and an energy limitation class of 3.
The circuit breaker is built for durability, with a typical mechanical service life of 10,000 switching cycles. It has an overvoltage category of III and a degree of pollution of 3. The device offers touch protection and is mounted on a DIN rail.
This component is suitable for use in mechanical engineering and industrial applications. It operates with a protection class of IP20 when connected conductors are present.
The rated operational current at 35°C is 3A.
The switching capacity is 10kA according to EN 60898 and 35kA according to IEC 60947-2.
The rated supply voltage is 400V AC, and the insulation voltage (Ui) is 440V.
This is a 1-pole circuit breaker.
The tripping characteristic is Class C.
The typical mechanical service life is 10,000 switching cycles.
The protection class is IP20 with connected conductors.