80A Heavy-Duty Automotive Relay – RGL RTT7105-12V JD1912 4-Pin 12VDC

Upgrade your vehicle's electrical system with the RGL RTT7105-12V 80 Amp automotive relay, engineered for high-current applications that demand reliable, heavy-duty switching. Unlike standard 30A or 40A relays, this JD1912 4-pin relay handles up to 80 Amps, preventing voltage drop, switch burnout, and electrical failures on power-hungry accessories.

Why Choose the RGL RTT7105 80A Relay?

This 12V DC SPST relay is built for automotive enthusiasts, mechanics, and DIY installers who need dependable performance for high-load circuits. The durable red housing ensures easy identification in your fuse box or engine bay, while copper alloy terminals deliver superior conductivity and corrosion resistance.

Key Features & Benefits

• 80A High Current Capacity: Safely switch heavy loads without overheating or contact welding
• Standard 4-Pin SPST Configuration: Fits most automotive relay sockets and fuse boxes
• 12V DC Coil Voltage: Compatible with all 12-volt automotive electrical systems
• Copper Alloy Terminals: Enhanced conductivity and long-term reliability
• Flame Retardant Housing: Red plastic shell for safety and easy identification
• Normally Open (NO) Design: Circuit activates only when energized

Common Applications

This heavy-duty car relay is essential for installing and controlling:

• Electric cooling fans and radiator fans
• High-powered HID and LED headlight kits
• Air horns and train horns
• Heavy-duty fuel pumps and water pumps
• Car audio amplifiers and subwoofer systems
• Winches, off-road lighting, and auxiliary power circuits
• Electric heaters and defrosters

4-Pin Relay Wiring Guide

Standard automotive relay pinout for easy installation:

• Pin 30: High Power Input (Battery Positive +)
• Pin 87: High Power Output (To Load/Accessory)
• Pin 85: Coil Ground (Chassis Ground)
• Pin 86: Coil Trigger (Switch Positive +)

Technical Specifications

Package Contents

• 1 x RGL RTT7105-12V 80A 4-Pin Automotive Relay (JD1912)

Installation Tips

Always use appropriate gauge wire for 80A applications (minimum 8 AWG recommended). Install inline fuses close to the battery for safety. Ensure proper grounding and secure all connections to prevent voltage drop and heat buildup.

Upgrade to professional-grade electrical control with the RGL RTT7105 80A relay – trusted by automotive technicians across Pakistan for reliable, high-current switching.