The MK18-B-1700W is a molded-case circuit breaker from Standex-Meder Electronics. This breaker is engineered with a power rating of 1700A and a voltage rating of 600VAC (or 240VAC). It features a thermomagnetic release, with mechanical and electrical latching, and has a trip class of 10. It is suitable for branch circuit protection, motor protection, or feeder protection in residential, commercial, or light industrial applications.