1.50A Battery Disconnect Switch Specification: Continuous Rating: 50A at 32VDC Maximum. Intermittent Rating: 75 Amps. Cranking Rating: 300 Amps 5 sec. Contact Resistance: 50m ohm Max. Insulation Resistance: DC 500V 100M ohm Min. Dielectric Strength: AC 1000V 1 minute, DC 2000V 1 minute. Voltage Rating: DC 32V(Max). Terminal Studs: M4x2. Panel Opening: 22.0mm. Operating Temperature: 30°C60°C. Switch Function: 3P SPST OFFONOUT 2.Functions: 3P SPST ONOFFOUT battery switch is used for 12V48V DC power supply, which can easily control the ONOFF of the circuit, isolate and protect the electrical system, and can be used alone or locked together with other switches. Switch 'ON'Power to the closed circuit. Switch 'OFF'No power to the cutoff circuit. Switch 'OUT'Turn to 'OUT' remove the knob so that the switch can't be turned on 3.Application: Widely used in cars, boats, RV, Van, camper, motorhome, truck, trailer, ATV, UTV, etc. Also suitable for switch of electrical equipment like battery box, car audio, car refrigerator, etc 4.Materials: Made of ABS and PBT plastic cover, and the bolts are tinned copper. It good insulation and , can prevent current short circuits, and protect electrical equipment