JOES Battery Disconnect Switch – 4 Terminal

Heavy-Duty Dual Circuit Isolation for Alternator-Equipped Vehicles

The JOES 4 Terminal Battery Disconnect Switch is the ideal solution for performance and race vehicles running high-output alternators. Designed to provide two isolated circuits, this heavy-duty switch can safely disconnect both the battery and alternator feeds in the event of an emergency or when the vehicle is not in use, helping prevent battery drain and meeting safety compliance requirements.

With a rugged construction rated for up to 125 Amps continuous and 750 Amps intermittent at up to 36VDC, this switch is perfect for motorsport, off-road, and custom vehicle applications where reliability and high current handling are critical.

Key Features:

• 4-Terminal Design – isolates alternator from battery with independent circuit switching
• Heavy-Duty Rating – handles 125A continuous, 750A intermittent current
• Emergency Disconnect – shut off battery power instantly in critical situations
• Prevents Battery Drain – ideal for race cars, seasonal vehicles, and trailers
• High Voltage Compatibility – supports up to 36VDC systems
• Complete with Mounting Hardware – includes ⅜"-24 threaded studs and nuts
• Durable & Compact Panel Fitment – easy to install with clean panel integration
• Wide Operating Temperature Range – from -40°F to +85°F (-40°C to +29°C)

Specifications:

Purpose-Built for Race and Performance Vehicles

Whether you're wiring a race car, off-road machine, or custom electrical system, the JOES 4 Terminal Battery Disconnect Switch provides the reliability, protection, and flexibility required to manage high-current systems with alternators safely.

Upgrade your vehicle’s electrical safety with JOES—built for the demands of serious motorsport.