Waterproof 4-Position 500A Marine Battery Switch

Reliable 4-Position Selector Battery Switch

This heavy-duty switch features four positions (OFF, 1, 2, 1+2) , allowing you to isolate or combine battery banks efficiently. Ideal for boats, RVs, trucks, and caravans , offering seamless energy control with no power interruptions.

High Current and Voltage Capacity

Engineered to handle up to 500A continuous and 32V max DC , this switch ensures stable performance even in high-demand systems. Perfect for cranking, intermittent, and continuous battery operations.

Durable Waterproof and Fireproof Construction

With an IP65 waterproof rating and retardant ABS casing , this switch resists water, fire, and dust—making it perfectly suited for harsh marine or outdoor conditions.

Glow-in-the-Dark Visibility

The luminous ring design provides excellent night-time visibility , allowing you to locate and operate the switch easily even in complete darkness.

Make-Before-Break Contact System

This feature ensures uninterrupted power during position switching, protecting sensitive electronics and preventing voltage drops when changing battery sources.

Dual Battery Input and Flexible Use

Designed with two battery inputs and a compact form, this switch supports 4/0 AWG cables and is compatible with a wide range of marine and off-road power systems .

Robust Internal Components

Built with 304 stainless steel terminals and silver-plated copper studs , it guarantees corrosion resistance and long-term reliable conductivity in marine environments.

How to Use

• Turn knob to OFF, 1, 2, or 1+2 based on battery use

• Stop engine before switching to OFF position

• Use included screws for surface or panel mounting

• Follow provided wiring diagram for correct setup

Specifications

• Switch Type : Selector 4 Position

• Color : Grey

• Switch Positions : 4

• Battery Combine : Yes

• Maximum Voltage : 32V DC

• Continuous Rating : 500A

• Intermittent Rating : 700A (5 min)

• Cranking Rating 30 sec : 1600A

• Battery Inputs : 2

• Terminal Stud Size : 1/2″ (M12)

• Terminal Stud Torque : 220 in-lb (24.86Nm)

• Cable Size to Meet Ratings : 4/0 AWG (120mm²)

• Cable Clearance : 1.10in (27.94mm)

• Mounting Holes : Accept 1/4″ (M6) Screw

• Stud Material : Tinned Copper

Package Include

1 x Disconnector Switch