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This Siemens 5SY4420-6 is a 4-pole miniature circuit breaker designed for infrastructure and industrial applications. It operates at AC voltages up to 400V and has a rated current of 20A.
The breaker features a Type B tripping characteristic, suitable for applications requiring protection against overcurrents and short circuits. It offers a switching capacity of 10kA according to EN 60898 and 20kA according to IEC 60947-2. The mechanical service life is typically 10,000 operating cycles.
With a degree of pollution of 3 and an overvoltage category of III, this circuit breaker is built for robust environments. It has a protection class of IP20 with connected conductors. The unit is halogen-free and silicon-free, meeting specific environmental requirements.
Installation is facilitated by a quick assembly system onto a DIN rail. The dimensions are 90mm in height, 72mm in width, and 76mm in depth, with an installation depth of 70mm. It occupies 4 modular width units.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 5SY4420-6 has 4 poles.
The rated current is 20A.
The voltage rating is 400 V.
The tripping characteristic is Type B.
The breaking capacity according to EN 60898 is 10 kA.
Yes, the Siemens 5SY4420-6 is halogen-free.