Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]
SKU: 15372448357

Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]

Sale price$44.99 Regular price$49.99
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Description

Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]4 Position Compact Dual Battery Selector Switch The 4 Position Battery Selector Switch is the ultimate solution for managing multiple battery banks in marine or RV electrical systems. Designed for 12V to 32V applications, this switch allows you to isolate battery banks, combine them, or direct power to all loads with a simple turn. Engineered with tin plated copper studs, the switch ensures maximum conductivity and corrosion resistance for reliable

4-Position Compact Dual Battery Selector Switch

The 4-Position Battery Selector Switch is the ultimate solution for managing multiple battery banks in marine or RV electrical systems. Designed for 12V to 32V applications, this switch allows you to isolate battery banks, combine them, or direct power to all loads with a simple turn. Engineered with tin-plated copper studs, the switch ensures maximum conductivity and corrosion resistance for reliable long-term performance in harsh environments.

This heavy-duty switch is IP66-rated for water resistance and features an ignition-protected design, meeting ISO 8846 and ABYC safety standards. The isolating cover with three snap-off side pieces protects rear contacts while allowing versatile wire access in any direction. With its robust one-piece terminal stud design and user-friendly operation, this battery switch is ideal for boats, RVs, and other off-grid applications requiring efficient power management.

Features:

  • Switches Between 4 Positions: Allows flexible power management by isolating battery banks, combining them, or directing power to all loads for maximum versatility.
  • Tin-plated copper Studs: Provides exceptional conductivity and corrosion resistance, ensuring efficient operation in harsh marine or RV environments.
  • Durable One-Piece Terminal Stud Design: Prevents loosening over time, ensuring a secure connection and stable performance for extended use.
  • Isolating Cover with Snap-Off Sides: Protects rear contacts while allowing easy wire access from any direction, making installation quick and hassle-free.
  • IP66 Water-Resistant Rating: Built to withstand powerful water jets, making it perfect for marine applications or environments exposed to moisture and dust.
  • Meets Strict Safety Standards: Certified to ISO 8846 Marine Ignition Protection, ABYC, UL 1500, and SAE J1171, ensuring compliance with industry-leading safety requirements.
  • Compact and Lightweight Design: Weighing just 0.83 lbs (0.38 kg), this switch is compact yet robust, saving space while delivering maximum performance.
  • High Current Handling Capability: Rated for 300A continuous and 900A cranking, this switch is ideal for high-power applications like engine start and onboard systems.

Specifications:

  • Maximum Voltage: 32 VDC
  • Switch Type: Selector 4-Position
  • Battery Inputs: 1
  • Color: Red
  • Cable Clearance for 4/0 AWG Cables: 1.12 in (28.45 mm)
  • Cable Size to Meet Ratings: 4/0 AWG (120mm2)
  • Switch Positions: 4
  • Battery Combine: Yes
  • 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: 0.77 lbs (0.35 kg)

Specifications:

  • Continuous Amperage: 300
  • Positions: 4
  • Box Dimensions: 3"H x 3"W x 3"L WT: 0.7 lbs
  • UPC: 817683023161

Brochure (pdf)
Shipping Notes
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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: 15372448357

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TwoPennyKindles
Carnegie, US
★★★★★ 5
Very nearly perfect!
Color: Matte Black
Admittedly, I'm writing this after making only one latte, but it was almost perfect! The milk was hot enough, but not too hot. The froth on my half & half was luxurious. It was super easy to use and select the what I want. I love the glass pitcher and being able to see my half & half as it heats and foams up. The only thing that isn't perfect, and I didn't take any off on my stars for, is that the frother is plastic. I'm striving for a plastic-free life and this Milk Frother and Steamer is very close to that, but heating plastic releases nanoparticles into the contents. I may have to buy another one, since it seems that there is no spare pitcher available to buy. Two pitchers would be very handy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
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M. Miski
Phoenix, US
★★★★★ 5
Easy to use, reliable machine
Color: White
Great product! I have a fully automated DeLonghi cappuccino/latte coffee machine. After 5 years of use, the machine's milk frothing function started to fail. I purchased this product to supplement/replace the milk frother on my DeLonghi automated coffee machine; it works great and produces copious milk froth with much less mess.
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Reviewed in the United States on March 18, 2026
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Stephanie R.
Waukegan, US
★★★★★ 5
Best frother ever!
Color: White
This is the best frother ever! Works better than my expensive espresso machine frother. So easy and makes a large amount enough for 2 large cappuccinos.
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Reviewed in the United States on April 21, 2026
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Verified Purchase
Amazon Customer
New York, US
★★★★★ 1
False advertising--it won't froth almond milk.
Color: White
Bought this because I am vegetarian and I've consumed Almond milk for the past 15 years. The profile on this product said it would froth all milks, including almond. It does not--it heats the almond milk but does not froth it. It did froth 2% cow's milk I served a visitor, but I won't use cow's milk. I missed the return date by 1 day, or it would have been returned this product for a full refund. If you want to froth plant/ nut milk, don't waste your $$$.
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Reviewed in the United States on May 9, 2026
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Graeme L Low
Houston, US
★★★★★ 5
substitute for an ineffective espresso machine steam wand
Color: White
On sale, this item was reasonably priced. It very effectively heats and froths milk in two or so minutes. Less milk enables a more intense froth. It easily cleans up with soap and hot water. It appears to be well- engineered. It proves to be an able companion to an espresso machine.
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Reviewed in the United States on April 21, 2026

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