Blue Sea's E-Series 4 Position Dual Circuit Plus Battery Switch simultaneously switches isolated battery banks or combines battery banks to all loads. The make before break contact design enables switching between battery banks without power interruption. As the battery switch is ignition protected, it's safe for installation aboard gasoline powered boats. The case design enables surface or rear panel mounting.

Specifications:
Switch Type: Selector 4 Position.
Switch Positions: 4.
Battery Combine: Yes.
Alternator Field Disconnect: No.
Maximum Voltage: 32V DC.
Terminal Stud Torque: 140 in-lb (15.82 Nm).
Continuous Rating: 350A.
Intermittent Rating: 600A (5 Minutes).
Cranking Rating (30 Seconds): 700A per circuit.
Battery Inputs: 2.
Cable Clearance For 4/0 AWG Cables: 27.94mm (1.10").
Cable Size To Meet Ratings: 120mm².
Mounting Holes: Accepts 1/4" (M6) Screw.
Stud Material: Tinned Copper.
Terminal Stud Size: 3/8 - 16 (M10).
Weight 0.59kg (1.30lb).