m-Series Mini On-Off Battery Switch with Key Black. Switches a single battery to a single load group Ignition protected-safe for installation aboard gasoline powered boats. Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts. Switch Type Single Circuit ON-OFF. Color Black. Switch Positions 2. Battery Combine No. Alternator Field Disconnect No. Maximum Voltage 48V DC. Continuous Rating 300A. Intermittent Rating 500A 5 min . Cranking Rating 10 sec 1500A. Cranking Rating 1 min 775A. Battery Inputs 1. Cable Clearance For 4/0 AWG Cables 1.12in 28.45 mm . Cable Size to Meet Ratings 4/0 AWG 120mm . Mounting Holes Accept #10 Screw. Terminal Stud Size 3/8 16 M10 . Terminal Stud Torque 120 in-lb 13.56 Nm . Weight 0.62lb 0.28/ kg Switches a single battery to a single load group Ignition protected-safe for installation aboard gas Switch Type Single Circuit ON-OFF. Color Black Switch Positions 2. Battery Combine No Alternator Field Disconnect No. Maximum Voltage 48V DC Continuous Rating 300A Intermittent Rating 500A 5 min Cranking Rating 10 sec 1500A