The Commodore On/Off Battery Disconnect Switch (CM-202S) provides a secure, high-capacity solution for managing marine and RV electrical systems. This single-circuit switch is rated for 300A continuous use and features durable, tin-plated copper studs for optimal conductivity and corrosion resistance in harsh environments.
Key Features and Specifications:
- Performance ratings: 300A continuous, 500A intermittent (5 min), and 900A cranking (30 sec).
- Voltage capacity: Up to 48 VDC.
- Safety and Compliance: IP66 water-resistant, ISO 8846 Ignition Protected, and compliant with ABYC C-7, UL 1107, and CSA C22.2 No.4 standards.
- Versatile installation: Designed for surface or flush mounting with snap-off side pieces for flexible wiring access.
- Connection details: 3/8"-16 (M10) terminal studs with a recommended torque of 120 in-lb (13.56 Nm).
- Design: Single battery input with 2 switch positions and no battery combine or alternator field disconnect.
- Physical specs: Weighs 0.65 lbs and requires #10 screws for mounting; cable clearance is 1.12 in.
- Required cabling: 4/0 AWG (120mm2) cable is required to meet the stated ratings.
Product facts
- CT SKU
- CT-116297
- UPC / GTIN
- 817683023154
- Package weight
- 0.5 lb
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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