• Commodore 4-Position Compact Dual Battery Selector Switch
  • Commodore 4-Position Compact Dual Battery Selector Switch
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Brand: Commodore

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

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

$34.37
$34.37
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About this product

The Commodore 4-Position Compact Dual Battery Selector Switch (CM-402S) provides efficient power management for marine and RV electrical systems. This heavy-duty switch allows you to isolate battery banks, combine them, or direct power to all loads, supporting 12V to 32V systems with a 300A continuous and 900A cranking rating.

Key Features:

  • Versatile 4-position operation for flexible power management.
  • Tin-plated copper studs and one-piece terminal design for high conductivity, corrosion resistance, and secure connections.
  • IP66 water-resistant rating for reliable performance in moisture-exposed environments.
  • Isolating cover includes three snap-off side pieces for flexible wire access.
  • Certified to ISO 8846, ABYC, UL 1500, and SAE J1171 safety standards for ignition protection.
  • Compact design with 3/8"-16 (M10) terminal studs.

Technical Specifications:

  • Maximum Voltage: 32 VDC
  • Intermittent Rating: 500A (5 min)
  • Required Cable Size: 4/0 AWG (120mm2)
  • Cable Clearance: 1.12 in.
  • Stud Torque: 120 in-lb (13.56 Nm)
  • Mounting: Compatible with #10 screws
  • Weight: 0.77 lbs

Manuals & videos

  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-116298
Model / MPN
CM-402S
UPC / GTIN
817683023161
Package dimensions (H × W × L)
3" X 3" X 4"
Package weight
0.7 lb
Country of origin
CHINA

Specifications

Continuous Amperage
300
Positions
4

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

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.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.