Heavy Duty Solenoid 400 Amp MZJ400

Important: This version of the solenoid is only available as an add-on to approved purchased products. It cannot be sold separately at this price.

The Heavy Duty MZJ400 400 Amp Solenoid is designed to deliver reliable power switching for high-performance golf carts and electric vehicle systems. Built to handle demanding electrical loads, this heavy-duty contactor provides smooth engagement and dependable operation for upgraded controllers, lithium battery systems, and high-torque motors.

Engineered for durability and efficiency, the MZJ400 solenoid acts as the main electrical switch between your battery pack and motor controller, ensuring your cart starts, accelerates, and operates safely under high current loads.

Why Upgrade to a 400 Amp Heavy-Duty Solenoid?

High-performance golf carts and upgraded motor controllers demand stronger electrical components. A heavy-duty solenoid like the MZJ400 ensures stable power delivery while protecting your electrical system during frequent starts and high-current operation.

This solenoid is capable of handling up to 400 amps of continuous current with higher surge capacity, making it ideal for modified carts and performance upgrades.

Key Features

400 Amp Continuous Current Capacity
Designed for high-power golf cart setups and upgraded motor controllers requiring strong current flow.

High Surge Capability
Handles high inrush currents during acceleration and motor engagement for reliable performance.

Silver Alloy Contacts
Durable internal contacts provide excellent conductivity and long service life under heavy electrical loads.

Heavy-Duty Construction
Robust internal design with water-resistant components for reliable operation in demanding environments.

Universal Golf Cart Compatibility
Commonly used with 24V, 36V, and 48V electric vehicle systems depending on coil configuration.

Performance Benefits

• Reliable power switching for high-amp controllers

• Smooth electrical engagement when accelerating

• Supports upgraded motors and lithium battery conversions

• Durable construction for long-term use

• Helps reduce electrical system strain during high loads

Common Applications

The MZJ400 heavy-duty solenoid is commonly used in:

• Golf carts

• Electric utility vehicles

• Forklifts and industrial equipment

• Battery-powered transport vehicles

• Performance golf cart upgrades

These solenoids are often recommended for carts running performance controllers up to 600 amps, where stronger contactors are required for safe power delivery.

Technical Specifications

Model: MZJ400
Continuous Current: 400 Amps
Surge Current: Up to approximately 800 Amps (short burst)
Voltage Options: 24V / 36V / 48V coil configurations
Contacts: Silver alloy for high conductivity
Main Terminals: 3/8″ lug terminals
Mounting: Dual mounting holes for secure installation

Reliable Power Switching for High-Performance Carts

If you're upgrading your golf cart with a high-amp motor controller or lithium battery system, the Heavy Duty MZJ400 400 Amp Solenoid provides the durability and electrical capacity needed to keep your cart running smoothly and safely.

Built for demanding electrical systems, it’s an essential component for anyone looking to maximize performance and reliability in their golf cart setup.