m-Series 300A Dual Circuit Mini Battery Switch - On/Off

2 Position On/Off Selector Switch.
Controls On/Off functions for two independent circuits. This On/Off battery isolation switch safely disconnects the battery to help you isolate and secure your electrical system, control battery charging regimens, and eliminate any power draw from the battery when the vehicle or boat is not in use. Depending on switch location, it can also provide some degree of theft deterence.
It has wide applications in auto, boat, RV, camper, truck, ATV battery banks, and other 12V/24V devices.

Recommended mounting position is typically in the positive battery cable, as close to the battery as practical*.

Mini Series switches have a compact 2.87" x 2.87" footprint that allows for installation in areas where space is limited. Flexible mounting options allow for a variety of mounting configurations - surface mount, bulkhead mount or panel mount.

The switch is sealed against dust and water intrusion to ensure reliable circuit protection for the life of the installation.
It is Ignition Protected, making it safe for installation in closed compartments with potentially explosive gases.
Lock nuts with serrated flanges improve resistance to the cable terminal loosening in high-vibration environments.

• Dimensions: 2.87"L x 2.87"W x 3.32"H
• Easy break-away side panels allow for wire routing in any direction while maintaining maximum coverage of conductors
• Harsh environment design with stainless-steel hardware and high temperature materials
• Cut-out hole for panel mounting is 2-5/16"; for bulkhead mounting - 2-5/8" (52mm)
• 300 Amp Continous rating (requires 4/0 AWG cable)
• Max 48 VDC

Note - This switch is not meant to switch live loads over 25Amps. Ensure that the engine is turned off before switching the battery switch to off.

* The internet has many articles referencing battery disconnect switch recommended installations.