Skip to main content
Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD
Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD
The images shown are for illustration purposes only and may not be an exact representation of the product

Blue Sea Systems, 3003, HD-Series Heavy Duty Selector Battery Switch with AFD

  • Model: 3003
  • GTIN: 00632085030032
  • Manufactured by: Blue Sea Systems
  • Condition: New
  • Estimated Delivery: 1 to 2 Weeks
  • Lead Time To Ship May Vary
Price:

$181.47 $139.59

Manufacturer Info

Switches isolated battery banks to all loads or combines battery banks to all loads
  • Includes AFD (Alternator Field Disconnect)
  • 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
  • Instructions
  • Mounting Diagram
Specifications
Switch Type Selector 4 Position
ColorGrey
Switch Positions4
Battery CombineYes
Alternator Field Disconnect Yes
Maximum Voltage32V DC
Terminal Stud Torque220 in-lb (24.86 Nm)
Continuous Rating 500A
Intermittent Rating 700A (5 min)
Cranking Rating 30 sec 1600A
Battery Inputs2
Cable Clearance For 4/0 AWG Cables1.10in (27.94 mm)
Cable Quantity to Meet RatingsTwo Cables / Terminal
Cable Size to Meet Ratings4/0 AWG (120mm2)
Mounting HolesAccept 1/4" (M6) Screw
Terminal Stud Size1/2" (M12)
Weight1.25lb (0.57 kg)

Product Reviews

We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.8
Out of 5.0
A graph showing this site's review totals.
Overall Rating
96%
of customers that buy
from this merchant give
them a 4 or 5-Star rating.
Verified Buyer
March 31, 2025 by Lee H. (United States)
“Fantastic Company”
Verified Buyer
March 28, 2025 by Winston C. (Cayman Islands)
“Enjoyable”
Verified Buyer
March 27, 2025 by Vadim P. (United States)
“Excellent Company”
Verified Buyer
March 25, 2025 by JOHN G. (United States)
“thank you”
Verified Buyer
March 25, 2025 by Douglas G. (United States)
“No shipping options, very expensive!!!”

a