HD-Series Heavy Duty 3 Position Selector Battery Switch with AFD
11003
Features
Switches isolated battery banks to all loads.
- 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 (95mm²) battery cables
Documents
InstallationReference 
Battery Management Wiring Schematics for Typical Applications 
M-Series, E-Series, and HD-Series Battery Switch Operation DiagramsArticlesMarketing MaterialsProduct Certificates
Battery Management Wiring Schematics for Typical Applications M-Series, E-Series, and HD-Series Battery Switch Operation DiagramsArticlesMarketing MaterialsProduct Certificates
Product Certificates
Specifications
Switch Type  | Selector 3 Position |
| Color | Grey |
| Switch Positions | 3 |
| Battery Combine | No |
| Alternator Field Disconnect | Yes |
| Maximum Voltage | 32V DC |
| Terminal Stud Torque | 220 in-lb (24.86 Nm) |
| Continuous Rating | 400A |
| Intermittent Rating | 700A (5 min) |
| Starting 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 |
| Switching Rating | 25A |
| Terminal Stud Size | 1/2" (M12) |
| Weight | 1.25lb (0.57 kg) |
| Weight | 1.30lb (0.59 kg) |
Regulatory Specifications
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Optional Accessories
 | 7902 | Battery Switch ICON Label Kit |
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Frequently Asked Questions
Q: Do the battery switches switch the negative?
A: In most cases no. The most common battery systems switch the positives and bus the negatives
Q: Can I use battery protectant on my Blue Sea Systems Battery Switch and if so, what type?
A: Yes, a marine grade protectant applied according to its instructions is acceptable.
