Cole Hersee's new 79520 Master Battery Disconnect Switch is ideal for all vehicle electrical systems, including heavy truck applications, and cuts off all battery power from the vehicle electrical system.

The switch also provides an emergency power cutoff, protecting vehicles from tampering, theft and battery drain. It provides service personnel with an extra level of safety, protecting them from hazards, and can be locked-out or tagged-out to satisfy OSHA requirements for energy isolation.

The switch's composite engineered polymer housing will not rust or corrode when mounted in exposed locations. The switch has been tested per SAE 1455 for road salt, calcium chloride and magnesium chloride, and is waterproof to IP67. It has a high amperage capacity of 300A at 12V DC, can be used in high or low side applications, and first the standard master disconnect switch mounting pattern. It has a large red knob allowing for easy operation and a 90° switch travel makes it easy to identify the switch position.

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