[WIDE APPLICATION] Suitable for RV, travel trailer, marine, boat, truck, ATV, UTV, and other applications. [FUNCTION] This M-Series battery switch with On/Off position serves as a power disconnect switch, preventing battery drain. Safely disconnect batteries when the vehicle or boat is not in use. [DESIGN] Make-before-break contact design allows switching between batteries without power interruption. [MOUNTING] This battery switch can be safely mounted on gasoline-powered boats. The chassis design supports surface, front panel, or rear panel mounting. Isolating cover with snap-on sections protects rear contacts. [SAFETY] Features a one-piece terminal stud design that remains secure over time. [TERMINAL STUD TORQUE] 120 in-lb (13.56 Nm) [CABLE CLEARANCE FOR 4/0 AWG CABLES] 1.12 in (28.45 mm) [CABLE SIZE TO MEET RATINGS] 4/0 AWG (120 mm) [STUD MATERIAL] Tinned copper [STUD TORQUE] 120 in-lb (13.56 Nm) [TERMINAL STUD SIZE] 3/8 inch - 16 (M10) [WATERPROOF LEVEL] IP66 [TYPE] B: Selector 3 Position [COLOR] White + Red [MATERIAL] Plastic + Brass [PACKAGE CONTENTS] 1 x Switch, 4 x Screws Note: Only the items listed are included. Other products are not included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.