Features: 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_x000D_ Material: ABS, tinned copper_x000D_ _x000D_ Switch Type: Single circuit battery power off switch_x000D_ Switch Position: 2 (OFF, ON)_x000D_ Maximum Voltage: 48V DC_x000D_ Continuous Rating: 300A_x000D_ Intermittent Rating: 500A (5 min)_x000D_ Startup Rated 30 Seconds: 900A per circuit_x000D_ Battery Input: 1_x000D_ Mounting Holes: Accept M10 screws_x000D_ Stud Material: Tinned copper_x000D_ Terminal Size: Approx. 3/8in - 16 (M10)_x000D_ Application: Ideal for marine or RV applications