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This Siemens 5SY4150-8 is a single-pole miniature circuit breaker designed for electrical power distribution and protection. It operates with a rated voltage of 400V AC and a current rating of 50A, featuring a D-curve tripping characteristic suitable for inductive loads.
The circuit breaker offers a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2. It is built with a mechanical service life of 10,000 switching cycles and has a protection class of IP20 with connected conductors.
Designed for industrial applications, it supports a wide range of conductor cross-sections from 0.75 mm² to 35 mm² for solid and stranded wires. The unit is halogen-free and sealable, with dimensions of 90mm height, 18mm width, and 76mm depth, and mounts via a quick assembly system on a DIN rail.
Key electrical specifications include an insulation voltage of 440V and a maximum DC operating voltage of 72V. It also features touch protection and combined terminals for ease of connection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 5SY4150-8 circuit breaker has a rated operational current of 50A at 35°C.
The Siemens 5SY4150-8 has a rated supply voltage of 400V AC and an insulation voltage of 440V.
The switching capacity is 10kA according to EN 60898 and 15kA according to IEC 60947-2.
The 5SY4150-8 features a Type D tripping characteristic.
The protection class is IP20 with connected conductors.
It can connect solid or stranded conductors from 0.75 mm² to 35 mm², and finely stranded conductors with core end processing from 0.75 mm² to 25 mm².
Yes, the Siemens 5SY4150-8 is halogen-free.