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Premium Marine Quality Parts

Commodore

Commodore On/Off Battery Disconnect Switch

LSN 106828 MPN CM-202S UPC 817683023154 MFR Commodore
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BC, Warehouse

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On/Off Battery Disconnect Switch

The Commodore On/Off Battery Disconnect Switch provides a reliable, durable, and safe solution for managing your marine or RV electrical systems. With a 300A continuous rating and a 900A cranking rating, this battery switch is designed to handle high-power applications, ensuring stable operation for your boat, RV, or off-grid systems. Its tin-plated copper studs offer superior conductivity and corrosion resistance, while the IP66-rated isolating cover provides robust protection against water and debris.

This versatile switch can be surface-mounted or flush-mounted, with snap-off side pieces allowing wiring access from any direction. Designed to meet stringent marine safety standards, including ISO 8846 Marine Ignition Protection, this switch is a must-have for any professional or DIY marine electrical system. Built for durability and reliability, the CM-202S ensures your system stays safe and operational in even the harshest conditions.

Features:

  • High-Performance Ratings: Handles 300A continuous, 500A intermittent, and 900A cranking current, ensuring dependable performance for high-power marine or RV systems.
  • Durable Tin-Plated Copper Studs: Features corrosion-resistant copper studs for maximum conductivity and long-lasting performance in harsh environments.
  • Versatile Mounting Options: These can be surface-mounted or flush-mounted with snap-off side plates, offering flexible installation and clean cable management.
  • Water-Resistant and Ignition Protected: Certified to ISO 8846 Marine standards, IP66-rated for protection against water jets, and safe for use in engine compartments.
  • Easy Wire Access: The isolating cover includes three snap-off side pieces, allowing wiring from any direction while protecting rear terminals for enhanced safety.
  • Meets Industry Standards: Complies with ABYC C-7, UL 1107, CSA C22.2 No.4, and other stringent safety regulations, ensuring compatibility and reliability.
  • Compact and Lightweight Design: Weighing only 0.83 lbs (0.38 kg), the compact design saves space without compromising durability or performance.
  • Rugged Marine-Grade Construction: Built to withstand the harshest marine and off-grid environments, ensuring long-lasting protection and reliable operation.

Specifications:

  • Maximum Voltage: 48 VDC
  • Switch Type: Single Circuit On-Off
  • Battery Inputs: 1
  • Color: Grey
  • Cable Clearance for 4/0 AWG Cables: 1.12 in (28.45 mm)
  • Cable Size to Meet Ratings: 4/0 AWG (120mm2)
  • Switch Positions: 2
  • Battery Combine: No
  • Alternator Field Disconnect: No
  • Cranking Rating 30 seconds: 900A
  • Continuous Rating: 300A
  • Intermittent Rating: 500A (5 min)
  • Mounting Holes: Accept #10 Screw
  • Stud Material: Tinned Copper
  • Stud Torque: 120 in-lb (13.56 Nm)
  • Terminal Stud Size: 3/8" - 16 (M10)
  • Weight: 0.65 lbs (0.29 kg)

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Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.