SKU: 74911473967

Commodore On/Off Battery Disconnect Switch [CM-202S]

Sale price$26.99 Regular price$29.99
Save 10%

Pay in installments of $7.50 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Commodore On/Off Battery Disconnect Switch [CM-202S]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,

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)

Specifications:

  • Continuous Amperage: 300
  • Positions: 2
  • Box Dimensions: 3"H x 3"W x 4"L WT: 0.5 lbs
  • UPC: 817683023154

Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74911473967

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.2 ★★★★★
Based on 9 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Charles C.
Natrona Heights, US
★★★★★ 5
Great condition
Format: Paperback
Awesome condition for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 15, 2023
S
Verified Purchase
Shanya Griffith
Boise, US
★★★★★ 5
Wish there were more, love it
Format: Paperback
Really like this book. It has questions and adjoined answers. Although not set up like traditional NCLEX books. Great study guide wish there were more of it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
C
Verified Purchase
collins Asamoah-Aboagye
San Leandro, US
★★★★★ 5
The dual benefit book; Good for NCLEX PN & RN
Format: Paperback
NCLEX Prep - Blue Book = Fail God should definitely bless the Mark Klimek team.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
A very good study book
Format: Paperback
A very good study book for NCLEX. It is to the point making it easy to understand. I used it in addition to Mark K notes and audio and passed my NCLEX in the first try, and i did only minimum questions. I never used anything else to study.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
J
Verified Purchase
JumpN2Life
Whiting, US
★★★★★ 5
Great Book for Studying to Take the NCLEX
Format: Paperback
Excellent!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026

recommand products