m-Series Mini Dual Circuit Battery Switch - Black. Simultaneously switches two isolated battery banks.. Switch Type: Dual Circuit. Color: Black. Switch Positions: 2. Battery Combine: No. Alternator Field Disconnect: No. Maximum Voltage: 32V DC. Continuous Rating: 300A. Intermittent Rating: 450A (5 min). Cranking Rating 10 sec: 1000A. Cranking Rating 1 min: 650A. 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. Terminal Stud Size: 3/8"-16 (M10). Terminal Stud Torque: 120 in-lb (13.56 Nm). Weight: 0.80lb (0.36 kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.