350A 12V-48V High Current Battery Isolating Switch

A 350A battery isolating switch with a rugged rotary actuator. Use it to cut power to a campervan, caravan, 4WD, boat or off-grid system for storage, servicing or in an emergency.

Why it works

• 350A continuous rating, handles high-demand electrical systems with ease.
• Ip66 weather resistance, protects against dust, spray, and harsh conditions.
• Red rotary on/off actuator, simple, fast battery isolation.
• Prevents electrical drain, safely disconnects batteries during storage or maintenance.
• Flexible mounting options, suits panel mount or surface mount installations.

What's in the box

• 1 x 350A 12V-48V high current battery isolating switch

How it works

The isolator installs into your electrical system as a master disconnect switch. By rotating the actuator, you can instantly cut power to your vehicle's auxiliary or house battery system, protecting wiring, accessories, and onboard electronics. Rated for up to 350A continuous and 600A for 30 seconds, it is designed to handle large inverter loads, DC chargers, distribution systems, and lithium battery banks.

What it suits

• Works with 12V-48V DC systems
• Suitable for lithium, agm, wet, gel, and calcium batteries
• Ideal for caravans, campervans, RVs, 4WDs, boats, and off-grid setups
• Compatible with high-current circuits such as inverters, dcdc chargers, DC distribution, and battery banks

Fitting it

Difficulty: 3/5 (Moderate). Requires correct cable sizing, secure mounting, and proper termination of high-current lugs (M10 posts). Recommended for confident DIY installers or professionals.

Features

• Operation mode: Simple on/off rotary isolator.
• High current handling: 350A continuous, 600A peak for 30 seconds.
• Protection: Ip66 rating for water and dust resistance.
• Actuator: Heavy-duty red rotary knob.
• Mounting: Surface or panel installation.
• Terminals: M10 (3/8") heavy-duty studs.

Specifications