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The Schurter Inc. 4420.0597 is a thermal-magnetic circuit breaker designed for equipment protection. 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 12A and a rated voltage of 277V AC (UL/CSA) or 65V DC. The breaker has a conditional short-circuit capacity of 5 kA (IEC) and 10 kA (UL). It operates within an ambient temperature range of -20°C to 60°C.
This circuit breaker features a manual ON/OFF lever actuator and is designed for DIN rail mounting, making it suitable for industrial appliances. It also includes a switched neutral function that closes with manual pole closure and opens automatically with thermal-magnetic tripping.
Approvals include CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, and UL508, indicating compliance with various safety standards for equipment protection.
AC: 240V (IEC) and 277V (UL/CSA); DC: 65V.
DIN Rail mounting; standard package of 10 units.
-20°C to 60°C.
IEC 60934: 5 kA; UL 1077: 10 kA (with fuse); UL 508: 5 kA.
Positively trip free.
CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, UL508.
1.5-25 mm² (16-4 AWG).