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The Schurter Inc. 4420.0232 is a thermal magnetic circuit breaker designed for industrial applications. It offers high short circuit performance and is available in AC and DC ratings within the same frame size.
Key electrical specifications include a rated voltage of 277V AC and a rated current of 25A. The breaker type is thermal magnetic, with a positively trip-free mechanism. It supports a wide permissible wire cross-section from 1.5 to 25 mm² (16 to 4 AWG).
This circuit breaker is designed for DIN rail mounting and features a manual ON/OFF actuation type. It has a degree of protection from the front side of IP40 according to IEC 60529. The operating temperature range is -20°C to 60°C.
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.
The rated current is 25A.
It is rated for 277V AC (UL/CSA), 240V AC (IEC), and 65V DC.
At 277V AC with a fuse, it is 10kA; at 240V AC without fuse, it is 5kA per IEC 60934.
The ambient operating temperature range is -20°C to 60°C.
It mounts on a standard DIN rail.
It accepts wire sizes from 16 to 4 AWG (1.5 to 25 mm²).
Yes, it has a switched neutral that closes with manual pole actuation and opens automatically upon thermal magnetic tripping.