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The Schurter Inc. 4420.0229 is a thermal-magnetic circuit breaker designed for industrial applications. It offers high short circuit performance and is available in AC and DC versions within the same frame size.
Key electrical specifications include a rated current of 3A and a rated voltage of 277V AC / 65V DC. The breaker type is thermal magnetic, with a positively trip-free mechanism and manual ON/OFF actuation via a lever. It is designed for DIN rail mounting and supports permissible wire cross-sections from 1.5 to 25 mm² (16 to 4 AWG).
Environmental and safety features include a degree of protection from the front side of IP40. The device has a lifetime of 6000 switching cycles at 1x Ir, dielectric strength greater than 2 kV, and insulation resistance greater than 5 MΩ at 250/440 VAC. It is also vibration resistant and shock resistant according to IEC standards.
Approvals include CSA, EN, GB, IEC, UL1077, and UL508, indicating compliance with various safety requirements for equipment circuit breakers.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current for the Schurter 4420.0229 circuit breaker is 3A.
The voltage ratings are 277V AC and 65V DC.
The Schurter 4420.0229 circuit breaker is designed for DIN rail mounting.
The Schurter 4420.0229 is a thermal magnetic circuit breaker.
The operating temperature range is -20 °C to 60 °C.