3002 HD-Series Heavy Duty Selector Battery Switch

Switches isolated battery banks to all loads or combines battery banks to all loads

Make-before-break contact design allows switching between battery banks without power interruption
Ignition protected—safe for installation aboard gasoline powered boats
Case design allows surface or rear panel mounting
Accepts two 4/0 AWG (95mm²) battery cables

Blue Sea HD series boasts our highest continuous current rating (500A), and massive 1600A 30s cranking rating. Larger than our M-Series, these specialized battery switches are used where huge current draws are possible.

The 3002 is an OFF-1-2-BOTH switch. It has a single load output, that can be switched between two sources, or combined onto both sources. It is effectively an A-B switch, that also has a combine function.

Specifications:

Switch Type	Selector 4 Position
Color	Grey
Switch Positions	4
Battery Combine	Yes
Alternator Field Disconnect	No
Maximum Voltage	32V DC
Terminal Stud Torque	220 in-lb (24.86 Nm)
Continuous Rating	500A
Intermittent Rating	700A (5 min)
Cranking Rating 30 sec	1600A
Battery Inputs	2
Cable Clearance For 4/0 AWG Cables	1.10in (27.94 mm)
Cable Quantity to Meet Ratings	Two Cables / Terminal
Cable Size to Meet Ratings	4/0 AWG (120mm²)
Mounting Holes	Accept 1/4″ (M6) Screw
Stud Material	Tinned Copper
Terminal Stud Size	1/2″ (M12)
Weight	1.25lb (0.57 kg)
Weight	1.25lb (0.57 kg)