Blue Sea 30 Amp Black A-Series Toggle Circuit Breaker 7237 Galvanic Isolators Replaces Sierra 18-4303

Replaces Sierra 18-4303

Can be safely used in all types of marine diesel engines

engines with Delco ignition systems

Perimeter lighting

For Mercruiser 888

Blue Sea 30 Amp Black A-Series Toggle Circuit Breaker 7237 Galvanic Isolators Replaces Sierra 18-4303Blue Sea Systems 30 Amp Black A Series Toggle Circuit Breaker 7237 Black handle double pole circuit breaker with screw terminal connections is used for DC or AC branch circuit protection. A Series circuit breaker 30 amps AC DC rating Double pole Black toggle handle Combines switching and circuit protection into a single device Magnetic hydraulic trip free design cannot be held ON during fault current condition The standard circuit breaker in Blue Sea