Blue Sea Systems

Blue Sea Systems HD Battery Switch - Single Circuit

Heavy duty 600A continuous rated ON/OFF battery switch with alternator field disconnect (AFD). Up to 600 amps continuous rating for large diesel engines.
$83.52 / ea
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Tech Spec Product Info User Generated Content


  • BLU-3000 -- Single Circuit ON/OFF - No Alternator Field Disconnect (AFD)
  • BLU-3000 -- Single Circuit ON/OFF - With Alternator Field Disconnect (AFD)


Inrush Rating: .25 sec  2000 Amps DC 
Cranking Rating: 9.75 sce  1200 Amps DC 
Intermittent Rating: 5 min  900 Amps DC 
Continuous Rating:  600 Amps DC 
Maximum Voltage Rating:  48 Volts DC 
Terminal Stud Size  1/2 inch (M12) 
Terminal Stud Torque  220 in-lb 
Cable Size to Meet Rationgs  4/0 AWG (95 mm2) 
Cable Quantity to Meet Ratings  Two Cables 
Cable Clearance for 4/0 Cables  1.10 inch (27.9 mm) 
Case Material  Reinforced Polycarbonate 
BRAND: Blue Sea Systems
Type: Battery Switches
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