CA3663 QWORK Solenoid Relay Winch Contactor

Review QWORK Solenoid Relay 12v 250a Winch Replacement Contactor For 30

The QWORK CA3663 is a heavy-duty 12V solenoid relay specifically designed for winch applications. This contactor can handle a current of up to 250 Amperes, making it an ideal choice for powering large winches and other high-current electrical systems.

The CA3663 features a robust construction with a die-cast aluminum housing, ensuring durability and resistance to harsh environments. The contacts are gold-plated, providing excellent conductivity and longevity. The relay also includes a built-in coil overvoltage protection circuit, safeguarding the unit from damage caused by voltage spikes.

This winch contactor operates on a NO (Normally Open) principle, meaning that when the relay is de-energized, the contacts are open, and when energized, they close, allowing current to flow through the circuit. The contacts have a rated contact capacity of 30A at 12V, ensuring reliable operation even under heavy loads.

The CA3663 solenoid relay also offers a fast switching time, allowing for quick response and efficient operation. It is designed to be easy to install, featuring a standard 3-pin connector for the coil and a 5-pin connector for the load contacts. The relay measures 48mm x 38mm x 34mm (L x W x H) and weighs approximately 0.45 kg.

Overall, the QWORK CA3663 is a high-performance, heavy-duty solenoid relay that is perfect for powering large winches and other high-current electrical systems. Its robust construction, gold-plated contacts, and overvoltage protection make it a reliable and long-lasting solution for demanding applications.

The QWORK CA3663 Solenoid Relay is a 12V, 250A contactor designed for use with winches and similar applications. Here are some pros and cons to help you make an informed decision about purchasing this relay:

1. High Current Capacity: The CA3663 can handle up to 250 amps of current, making it suitable for heavy-duty winch applications.

2. Compact Design: With dimensions of 54mm x 38mm x 23mm, this relay is relatively small, which can be advantageous in tight installation spaces.

3. Safety Features: The relay includes overload protection, which can prevent damage to the winch and other components by automatically disconnecting the circuit when the current exceeds a certain level.

4. Durable Construction: The relay is designed with a robust and corrosion-resistant body, which can help ensure long-term reliability.

1. Complex Installation: Installing the CA3663 may require some technical expertise, as it involves wiring the relay to the winch and power source.

2. Limited Compatibility: This relay may not be compatible with all winch models, so it's essential to check the specifications of your winch before making a purchase.

3. Higher Cost: Compared to some other relays on the market, the CA3663 may be more expensive due to its high current capacity and additional safety features.

In conclusion, the QWORK CA3663 Solenoid Relay is a reliable and durable option for those in need of a heavy-duty winch contactor. Its high current capacity, compact design, and safety features make it an attractive choice for heavy-duty applications. However, its complex installation process and limited compatibility with some winch models may be drawbacks for some users. Additionally, its higher cost compared to some other relays may be a consideration. Ultimately, if you require a reliable and robust winch contactor for heavy-duty applications, the CA3663 is worth considering, despite its potential drawbacks. If you're unsure about the installation process or compatibility with your specific winch, it may be a good idea to consult with a professional or the manufacturer for guidance.

Details:

Applications it could be used at all 12 volt solenoid operated winches, such as ATV, UTV, Suva ,4x4 vehicles and other most brands of recovery winches like volt lift jack, hydraulic pump, trailer etc. Special design the surface is black and smooth ,coated with powder for great durability, has a comfortable touch.: durable: made of high-quality silver alloy steel with good weather resistance and electrical conductivity for long-time use. Oem reference: voltage : 12v,power 250a.

Qwork solenoid relay, 12v 250a winch relay replacement contactor for 3000-5000lbs ATV ut control:: item model number CA3663, wattage 3000 watts , minimum switching voltage 12 volts dc, current rating 250 amps, mounting type panel mount, contact number of terminals 3, coil connector screw, package dimensions 3.54 x 3.5 2.24 inches, weight 5.6 ounces, manufacturer part operation mode automatic, material silver-plated steel, normally open, Qwork, specification met iec/it 60947, brand size. High quality made of high-quality silver alloy steel with good weather resistance and electrical conductivity for long-time use. Works with most brands of ATV/UTV winches.

specifications genpurrelays:

• brand: Qwork
• mpn: Ca3663
• part type: Solenoid Winch Contactor
• wattage: 3000 Watts
• minimum switching voltage: 12 Volts
• current rating: 250 Amps
• mounting type: Panel Mount
• connector type: Screw
• package dimensions: 3.54 X 3.5 X 2.24 Inches
• item weight: 5.6 Ounces
• operation mode: Automatic
• contact material: Silver-plated Steel
• contact type: Normally Open
• specification met: Iec/it 60947
• size: 12v 250a
• upc: 313030460400

shipping genpurrelays:

• class: expedited
• transit: 3-8 days
• service: expedited
• type: fixed

offer genpurrelays:

• prices: $24.84–$30.98
• item condition:
  • New
  • New – Open box
• availability: in stock
• options: ship-to-home
• sold #: 8
• started: february 10, 2026
• in stock #: 5

returns genpurrelays:

• time: 30 days
• policy: returns accepted
• method: money back
• paid by: seller

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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seller genpurrelays:

• # reviews: 4637
• city: denver, colorado
• rating: 99.2%