Your Professional Winch Solenoid Supplier!
 

Ningbo Liming Relay, located at No. 986 Zhongguan Road, Jiaochuan Street, Zhenhai District, Ningbo City, Zhejiang Province, was established in 1996. It covers an area of 13.7 mu and has over 200 frontline workers, 15 technical R&D personnel, 22 sales staff, and a 10-member e-commerce team. The company mainly engages in the design, development, and sales of relays, switch components, winch accessories, automotive modification parts, outdoor off-road, and rescue and recovery series products.

 

 
  • Winch Solenoid 12V DC
    WINCH SOLENOID 12V DC is a core component of the electric winch control system, primarily used for controlling the forward rotation, reverse rotation, and stop functions of DC motors. The relay
  • Winch Solenoid Waterproof
    The ‌12V WINCH SOLENOID Waterproof‌ is a high-current electromagnetic switching device specifically designed for electric winch control systems. It acts as an intermediary between low-power control
  • Winch Solenoid Continuous Duty
    This DC 12V relay is a ‌crucial electrical component‌ designed for automotive and industrial applications, serving as a bridge between control circuits and high-power loads.
  • Winch Solenoid 500A
    WINCH SOLENOID 500A's housing is made of durable plastic, offering excellent ‌heat resistance‌ and ‌corrosion resistance‌ to withstand harsh outdoor conditions. The terminals are crafted from high -
  • Marine Solenoid 500A
    Please note your winch model diagram/picture in the following section for further instruction. Also , please disconnect vehicle ground and positive leads from the battery before you begin.
  • Winch Solenoid ATV/UTV
    WINCH SOLENOID ATV/UTV is a cutting - edge switching device designed for high - current DC circuits, offering robust performance and reliable control in demanding industrial and automotive
  • Winch Solenoid Marine Grade
    The LIMING 4180-2-12V relay is a compact, high - performance electromagnetic component designed for reliable electrical control in 12V DC applications. Its compact form factor and robust construction
 

Why Choose Us

Rich Experience

Founded in 1996, It covers an area of 13.7 mu and has over 200 frontline workers, 15 technical R&D personnel, 22 sales staff, and a 10-member e-commerce team.

Advanced Equipment

The company operates automated assembly and testing equipment, including relay automatic testers, laser marking machines, and automated assembly lines. These systems help ensure stable production processes and reliable product consistency.

Sales Market

Our products are exported to Europe, North America, Australia, Japan, South Korea, and other global markets. Years of cooperation with international customers have helped us understand the quality, documentation, and service expectations of overseas buyers.

 

Overview of Winch Solenoid

 

 

A winch solenoid is a heavy-duty electromagnetic switch or relay that controls high-current electrical flow from a battery to a winch motor, enabling safe, high-load operation without overheating switches. It acts as an intermediary, directing current to change motor direction (forward/reverse) for off-roading, towing, or marine applications.

 

Product Specification

We offers the following product specifications:

Contact Arrangement

2C(2PDT)

Contact Material

Alloy

Contact Rating (resistive)

250A 12VDC

Max. Switching Power

30,000W.

Max. Switching Voltage

75VDC @40A

Contact Resistance

50m Ω Max

Operational Electrical

Electrical

20,000 cycles continuous at 50A 12VDC, 2,000 cycles intermittent at 250A 12VDC

Mechanical

100,000 cycles.

Operation condition

Insulation Resistance

100M Ω min (at 500VDC)

Dielectric Strength Between contacts

Between contact and coil

50Hz 1000VAC

50Hz 1000VAC

Shock resistance

10G

Vibration resistance

10~55Hz double amplitude 1.5mm

IP LEVEL

IP67

Ambient Temperature

-40~55℃

Relative Humidity

93% (at 40℃)

 

Product features
 

Premium Construction: Made from sturdy steel with a black powder-coated finish, the winch solenoid relay or provides practical functionality and a lasting design. Its shatter- sealed housing ensures durability even in tough environments, while the design makes it easy to install and transport, whether you are on a job site or an outdoor adventure.

 

High Load Capacity: The winch solenoid relay is specifically designed to handle intermittent current loads of up to 250A for 10 seconds. This makes it highly for powering winches in the 2000-5000lbs range, ideal for heavy-duty tasks.

 

Universal Compatibility: This winch motor or is suitable for all 12V solenoid winches, including a wide range of vehicles such as UTVs, SUVs, and trailers. Its compatibility with various brands—like KFI, WARN, and RAMSEY—makes it a versatile choice for anyone needing a replacement or upgrade for their winch setup.

 

Weatherproof Design: The winch solenoid or relay features a weatherproof receiver, providing effective against rain and spills. While it’s not recommended for in water, its robust construction ensures stable performance in various weather conditions, making it a dependable component for outdoor applications and setups.

 

Extended Remote Control Range: Featuring a built-in antenna, the winch relay solenoid offers a remote control distance of approximately 164ft (50m). This allows operators to monitor winch or hoist s from a safe distance, enhancing convenience and safety during use.

 

Application

Marine Industry

The marine industry represents one of the most demanding and widespread applications for winch solenoid switches. These components are integral to the operation of deck winches used for mooring vessels, lifting anchors, and handling cargo on commercial ships, fishing boats, and offshore platforms.

Construction and Mining

In the construction and mining industries, winch solenoid switches play a crucial role in powering heavy-duty winches used for lifting and moving massive loads, positioning excavation equipment, and stabilizing cranes and derricks. These environments subject solenoids to extreme mechanical stress, dust, debris, and temperature fluctuations.

Aerospace Industry

The aerospace sector relies on winch solenoid switches for ground support operations, including aircraft maintenance platforms, boarding ramps, and cargo loading systems. These winches must operate with high precision and reliability due to the critical nature of aircraft handling.

Telecommunications

Winch solenoid switches are widely used in telecommunications infrastructure for the installation and maintenance of overhead cables, fiber optics, and communication towers. During deployment, winches equipped with solenoids provide controlled tensioning and lifting of heavy cable spools and antenna arrays, particularly in remote or elevated locations.

Oil and Gas Industry

The oil and gas industry employs winch solenoid switches in some of the most challenging and hazardous environments, including offshore rigs, drilling platforms, and pipeline maintenance operations. Solenoids control winches used for lifting heavy drilling equipment, deploying subsea tools, and transporting materials across remote sites.

 

绞盘电磁阀 12V 直流

Components

 

 

Coil of Wire

This is the heart of the solenoid. The coil is usually made of copper wire, wound tightly around a cylindrical core. When electrical current passes through the coil, it generates a magnetic field.

Iron Core

Also known as the armature, the iron core is located inside the coil. The magnetic field generated by the coil pulls the iron core towards it.

Plunger

The plunger is a movable part connected to the iron core. When the magnetic field pulls the iron core, the plunger moves as well, activating the winch mechanism.

Contacts

These are the electrical connection points within the solenoid. When the plunger moves, it closes the circuit by bringing the contacts together, allowing electrical current to flow to the winch motor.

Housing

A solenoid’s housing is typically made of durable materials like steel or plastic, protecting the internal components from dust, moisture, and physical damage.

 

Other Services
 
 
 

Wide Relay Custom Choices

AC/DC 24V-240V, Monitoring + Overcurrent/Undercurrent/Both, Specific monitoring function options and so on.

 
 

Reliable Supply

Laboratory validation; end-to-end QA; technical after-sales support from selection to assembly by technicians and business experts.

 
 

Mini Size

Each piece is 18mm wide and fits a 35mm DIN rail for easy installation or replacement.

 
 

High Efficiency

The lead time for direct warehouse transfers—including unique exterior light customization—is 10~15 days.

 

 

 

Certifications

 

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Package & Delivery

Package: Standard export package or Custom.
Delivery: By air express, by sea.

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FAQ

 

Q: What current rating should I look for in a winch solenoid?

A: The current rating should match or exceed the maximum load of the winch motor. Many off-road and utility winches require solenoids rated between 250A and 500A. Choosing a solenoid with sufficient capacity ensures reliable performance and prevents overheating.

Q: Can I replace a winch contactor with a solenoid?

A: In many modern winch systems, a sealed contactor is used instead of a traditional solenoid pack. While both serve similar switching functions, they are not always directly interchangeable. Check the wiring design and control system before replacing one with the other.

Q: What are the advantages of sealed winch solenoids?

A: Sealed winch solenoids provide better protection against moisture, dust, and vibration. This makes them particularly suitable for off-road vehicles, marine environments, and harsh outdoor applications where reliability is critical.

Q: How difficult is it to install a winch solenoid?

A: Installing a winch solenoid is generally straightforward for users familiar with basic electrical wiring. The process usually involves disconnecting the battery, labeling the existing wires, replacing the solenoid unit, and reconnecting the cables according to the wiring diagram.

Q: How long does a winch solenoid typically last?

A: The lifespan of a winch solenoid depends on usage frequency, load conditions, and environmental exposure. Under normal operating conditions, a high-quality solenoid can last several years, especially when protected from excessive heat and moisture.

Q: Are winch solenoids suitable for both ATV and truck winches?

A: Yes, winch solenoids are widely used in ATV, UTV, truck, trailer, and recovery winches. However, the electrical specifications must match the winch system. Smaller ATV winches may require lower current ratings compared to heavy-duty truck winches.

Q: What should buyers consider when sourcing winch solenoids in bulk?

A: When sourcing winch solenoids, buyers should evaluate current rating, voltage compatibility, sealing level, terminal quality, and manufacturing consistency. Reliable suppliers typically provide technical specifications, quality testing, and OEM/ODM support for large-volume orders.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: What is the quality control of your product?

A: Follow strictly quality control measures for implementation.

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Q: What is your packing?

A: Yes, our packaging is genuine original packaging. Of course, we can also provide neutral packaging or according to your requirements.

Q: Have you tested all your goods before shipment?

A: Yes, we will conduct 100% test before delivery, and we will send detailed photos of parts for your approval.

We're well-known as one of the leading winch solenoid manufacturers and suppliers in China, also support customized service. With a professional production team, we are able to meet the needs of the majority of our customers. Please rest assured to wholesale high quality winch solenoid in stock here from our factory.

directional relay, winch control solenoid, electrical relay
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