Features: High amp thermals trip circuit breakers with a manual resets switches suitable for use on auxiliaries electrical systems. Protective rubber cover prevent unnecessary short circuits. Seal, waterproof unit suitable for use in engine compartments and Bilge area's. Manual trip switches enables quick disconnecting of the circuits for emergency. Switchable surfaces mount circuit breakers typically found in auxilliary and accessory circuits in trucks, buses, motorhomes & marine systems. Specifications: Materials: Plastic and Metal Current: 20A/30/40/50A/60A/70A/80A/80A/100A/150A/200A/250A/300A (Optional) Size: about 73x48.60mm/2.87x1.91inch Package Includes: 1set Circuit Breaker note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.