The Blue Sea Systems 11003 HD-Series Battery Switch is a 3-position switch designed for reliable battery management in marine applications. It features an alternator field disconnect and is ignition protected for safe installation on gasoline-powered boats.
- Ratings: 500A continuous, 700A (5 min), 1150A (60 sec), 2750A (10 sec)
- Maximum Voltage: 32V DC
- Terminals: M12 tin-plated copper studs with 7/8 in. length; accepts 1/2 in. and M12 ring terminals
- Compatibility: Accepts two 4/0 AWG (95mm) battery cables
- Design: Surface or rear panel mounting options with tactile knob textures for easy positioning
- Compliance: Meets American Boat and Yacht Council (ABYC) requirements
- Regulatory note: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product facts
- CT SKU
- CT-101419
- Model / MPN
- 11003
- UPC / GTIN
- 632085110031
- Package dimensions
- 3" X 7" X 9"
- Package weight
- 1.3 lb
- Specifications
- AFD = Yes\nPositions = 3
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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