The W58 series thermal circuit breaker utilizes a common, highly recognizable design for single-pole, push-to-reset circuit breakers. W58 is available in ratings from one-half amp through 30 amps, and can operate up to 50 volts DC or 250 volts AC. It mounts via a threaded bushing and is offered with either quick-connect terminals or screw terminals. W58 is UL recognized and CSA certified.