Blue Sea Systems M Series Mini Dual Circuit Plus Battery Switch. Simultaneously switches two isolated battery banks or combines battery banks to all loads. Make before break contact design allows switching between battery banks without power interruption. Specifications Switch Type Dual Circuit Plus Colour Red Switch Positions 3 Battery Combine Yes Alternator Field Disconnect No Maximum Voltage 32V DC Stud Size 3/8" Terminal Stud Torque 120 in-lb (13.56 Nm) Continuous Rating 300A Intermittent Rating 450A (5 min) Cranking Rating 30 sec 675A per circuit Battery Inputs 2 Cable Clearance For 4/0 AWG Cables 1.12in (28.45 mm) Cable Size to Meet Ratings 4/0 AWG (120mm²) Mounting Holes Accept #10 Screw Stud Material Tinned Copper Stud Torque 120 in-lb (13.56 Nm) Terminal Stud Size 3/8" - 16 (M10) Weight 0.80lb (0.36 kg)