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)

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