Commodore CM-402S 4-Position Compact Dual Battery Selector Switch for Marine and RV Applications

4-Position Compact Dual Battery Selector Switch

The 4-Position Battery Selector Switchis the ultimate solution for managing multiple battery banks in marine or RV electrical systems. Designed for12V to 32V applications, this switch allows you to isolate battery banks, combine them, or direct power to all loads with a simple turn. Engineered withtin-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)

The Commodore CM-402S 4-Position Compact Dual Battery Selector Switch is an essential component for efficient power management in marine, RV, and off-grid systems. Designed to operate with voltages ranging from 12V to 32V, this switch allows users to easily isolate, combine, or supply power to all loads with a simple turn of the knob. Its robust construction features tin-plated copper studs that provide superior conductivity and corrosion resistance, ensuring reliable performance even in harsh environments. The compact and lightweight design makes it suitable for space-constrained applications without sacrificing durability or current handling capacity.

Built with safety and durability in mind, the switch is IP66-rated for water resistance, making it capable of withstanding powerful water jets and exposure to moisture and dust. The ignition-protected design complies with ISO 8846 and ABYC safety standards, providing peace of mind during operation. An isolating cover with three snap-off side pieces offers protection for rear contacts while allowing flexible wire access from any direction, simplifying installation and maintenance. The one-piece terminal stud design prevents loosening over time, ensuring a secure connection for long-term reliability. With a high continuous current rating of 300 amps and a cranking capacity of 900 amps for 30 seconds, this switch is well-suited for demanding high-power applications such as engine starting and onboard electrical systems.

The Commodore CM-402S switch supports four positions for versatile power routing, including battery isolation, battery combining, and load distribution. Its cable clearance accommodates 4/0 AWG cables, making it compatible with heavy-duty wiring setups. Certified to meet industry safety standards such as UL 1500 and SAE J1171, the switch ensures compliance with rigorous safety requirements. Its user-friendly design and sturdy construction make it an ideal choice for boaters, RV enthusiasts, and off-grid users seeking a reliable, high-performance battery management solution.

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.