Function This circuit breaker can protect the amplifier from being damaged by the overload current or voltage. Meanwhile, the power supply can also be protected to avoid battery crack and explosion caused by short circuit. Specification Voltage 1248V DC, compatible with all 12V24V Systems. Ambient temperature 32 c to 82 c 25 f to 180 f Accessories added wire lugs and Copper washer. Manual Reset Circuit Breaker, Use in place of an inline fuse holder, the unique push button reset can also be used as a Kill Switch. Protects your trolling motor from electrical damage, prevents excessive current and stops power surges from damaging Amps. Application Suitable for car audiovideo system, boat, trucks, buses, RVs, ATV winches, marine and DC sound amplifier system overload protection.