Eaton / Cutler-Hammer CH230SUR Miniature Circuit Breaker

This breaker is designed exclusively for Eaton and Cutler-Hammer Type CH load centers. It features a plug-on mounting style and will not fit in BR series or competitor panels.

The CH230SUR functions as a residential surge breaker, providing a 36 kA surge current capacity and a 10 kA nominal discharge rating to protect downstream electronics.

As a 2-pole Type CH breaker, it requires two standard 3/4-inch spaces in the load center.

The box lug terminals are rated for both copper and aluminum conductors. They accept wire sizes from 14 AWG up to 8 AWG, making them suitable for standard 30A circuit wiring.

The fixed thermal-magnetic design provides long-time (L) protection to avoid nuisance tripping on mild overloads, while reacting instantaneously (I) to severe short-circuit conditions.

This 30A, 240V breaker is commonly installed to protect dedicated circuits for heavy-duty appliances like electric water heaters, clothes dryers, and air conditioning units, while simultaneously providing whole-home surge protection.

Yes. Like all standard Type CH breakers, the CH230SUR is suitable for heating, air conditioning, and refrigeration (HACR) equipment applications.