Peerless Electronics' TR Series battery disconnect switch, which is from the Cole Hersee division of Littelfuse Commercial Vehicle Products, is a dual pole 500-amp continuous current rated master disconnect switch.

It cuts battery power from vehicle electrical systems for applications needing switching of two circuits, or both positive and negative. The TR Series can be used to switch two vehicle voltage circuits simultaneously between 24 and 12 volts.

The switch features an ingress rating IP67 and IP69K, meaning this switch can be mounted in exposed locations on vehicles requiring maximum rigidity. The TR Series switch is rated with a max operating voltage of 48 volts and can be ordered by its part number (880175).