PRODUCT DETAILS
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)


Commodore On/Off Battery Disconnect Switch [CM-202S]
The vast majority of our products come from the United States, which explains our delivery times consequently between 1 and 4 weeks. It is possible to receive your parcels in express (7 working days) for some products, you will find all the information on the delays and on the costs according to each product on the product page.
SHIPPING POLICY
1. Costs and shipping options Shipping costs vary according to the country of the recipient. Our products are shipped from the USA to France, and we dispatch all our orders from France. The final dispatch shipping costs will be displayed during the purchase of your order (before payment) according to each country and the delivery options chosen.
2. Delivery time Most of our products come from the USA. Therefore, we have a preparation time of 1 to 2 weeks to receive the goods at our French office at 7 rue Alaric II 31000 Toulouse for final shipment. It takes 1 to 3 weeks from the order date to the delivery date. It is possible to receive your parcels in accelerated shipment for certain products in stock at our French office. You will be able to see the exact delivery times, shipping costs, and whether the product(s) you have chosen is (are) eligible for express shipping when you place your order. This may vary depending on your delivery address.
REFUND POLICY
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at info@stock4less.eu If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at info@stock4less.eu.
Damages and issues
Please inspect your order upon reception and contact us if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
Return procedure
When you contact us to request a return, we will send you a prepaid return label with which you can return your package. This will be a label from your local post office or DHL depending on your location. You then just have to follow the procedure that will be indicated to you. Once we receive your return, we will send you your refund using the same method as your payment, or we will send a new product depending on your request.