Feature: 1. Single Circuit ON OFF Switch: Switches a single battery to a single load group. Make before break contact design allows switching between battery banks without power interruption. 2. Ignition Protection: IP66 waterproof for safe installation on gasoline powered boats; 300 amp continuous rating for outboards and small gasoline or diesel engines. 3. Tinned Copper Studs: Studs accept 3/8in (M10) ring terminals and 7/8in (22 mm) stud lengths accept multiple cable terminations. Good conductivity. 4. Important Parameters: Maximum voltage 48V DC, continuous rating 300A, intermittent rating 500A (5 min), starting rating 30 seconds 900A per circuit. 5. Easy Installation: Enclosure design allows for surface, rear panel or front panel mounting options. Enables safe switching between battery, load and charging source. Specification: Item Type: Battery switch Material: ABS, tinned copper Switch Type: Single circuit battery power off switch Switch Position: 2 (OFF, ON) Maximum Voltage: 48V DC Continuous Rating: 300A Intermittent Rating: 500A (5 min) Startup Rated 30 Seconds: 900A per circuit Battery Input: 1 Mounting Holes: Accept M10 screws Stud Material: Tinned copper Terminal Size: Approx. 3/8in - 16 (M10)Application: Ideal for marine or RV applications. Package List: 1 x Battery Switch4 x Screw