One-piece terminal stud design never loosens over time
M12 tin-plated copper studs for maximum conductivity & corrosion resistance, accepts 1/2" (M12) ring terminals.
Switches a single battery to a single load group
Includes AFD (Alternator Field Disconnect)
Ignition protected�safe for installation aboard gasoline powered boats
Case design allows surface or rear panel mounting
Accepts two 4/0 AWG (95mm�) battery cables
Features
Disconnects single battery bank in emergencies, or when vessel is not in use
� Up to 600 Amperes continuous rating for large diesel engines, high power
output, and low heat generation
� Alternator Field Disconnect (AFD) protects the diodes in the alternator in the
event of the switch being switched to the OFF position while the engine is
running
Tin-plated copper studs:
M12-1.75 (1/2") provide maximum conductivity and corrosion resistance
One-piece to reduce risk of overheating.
7/8" (22.22mm) length to accept multiple cable terminals.
Two studs for load connections permit up to eight load cables to be connected.
Case design:
Allows surface mounting or rear panel mounting
Accepts 4/0 AWG (120 mm�) battery cables
Specifications
Switch Type
Single Circuit ON-OFF
Color
Grey
Switch Positions
2
Battery Combine
No
Alternator Field Disconnect
Yes
Maximum Voltage
32V DC
Terminal Stud Torque
220 in-lb (24.86 Nm)
Continuous Rating
600A
Intermittent Rating
900A (5 min)
Cranking Rating 30 sec
1750A
Battery Inputs
1
Cable Clearance For 4/0 AWG Cables
1.10in (27.94 mm)
Cable Quantity to Meet Ratings
Two Cables
Cable Size to Meet Ratings
4/0 AWG (120mm�)
Mounting Holes
Accept 1/4" (M6) Screw
Stud Material
Tinned Copper
Terminal Stud Size
1/2" (M12)
Weight
1.30lb (0.59 kg)
What's in the Package?
Blue Sea Heavy Duty Battery Switch Single Circuit On/Off with AFD
Comes in Retail Packaging so makes a Great Gift.
Buy with Confidence & All Purchases come with a VAT Receipt by email.
