WLS OT4003 Car Waterproof Integrated Relay Kit Base 709812819564 12V 40A

( Brand: Wls ), ( Manufacturer Part Number: OT4003 ), ( Part Type: Kit ), ( Connector Type: Plug-in ), ( Contact Material: Copper ), ( Contact Type: Normally Open ), ( Current Rating: 40 Amps ), ( Mounting Type: Socket Mount ), ( Operation Mode: Off ), ( Wattage: 560 Watts ), ( Coil Voltage: 12 Volts ), ( UPC: 709812819564 ), ( Item Weight: 2.39 Ounces ), ( Package Dimensions: 2.64 X 1.77 X 1.77 Inches ), ( Is Discontinued By Manufacturer: No ), ( Customer S: 4.9/5 ), ( Country Of Origin: United States )

Review WLS Dc 12v 40a Universal Car Vehicle Waterproof Sealed Integrated Relay Kit And Base

The WLS Ot4003 12V 40A Car Waterproof Integrated Relay Kit is a versatile and high-performing solution for automotive electrical systems requiring additional power and control. This relay kit, designed with a compact and robust waterproof housing, is ideal for various applications, including powering accessories such as lights, pumps, or compressors in cars, trucks, or marine vehicles.

The WLS Ot4003 features four independently controlled 40A relays, each with a built-in 12V 10A diode for reverse polarity protection. The relays have a switching capacity of 120V AC or 30V DC, making them suitable for a wide range of loads. The kit comes with four 30A fuses to protect the relays from overcurrent situations.

The waterproof housing offers IP65 protection, ensuring the relay kit can withstand harsh environmental conditions. This includes protection against water jets from any direction and protection against dust. Its compact size, measuring just 1.4 x 2.4 inches, makes it easy to install in confined spaces.

The WLS Ot4003 comes with six input terminals and twelve output terminals, providing ample connections for wiring various accessories. Each terminal is clearly labeled for easy identification. The kit also includes mounting screws for secure installation.

The integrated design of the relay kit simplifies wiring and reduces clutter, as there is no need for additional relay bodies or external wiring. This not only saves installation time but also makes the system more reliable by minimizing the potential for loose or faulty connections.

This 12V 40A car waterproof integrated relay kit is an essential tool for automotive enthusiasts and professionals looking for a powerful and reliable solution to manage various electrical accessories in their vehicles. Its waterproof housing, compact size, and integrated design offer numerous advantages over traditional relay systems.

The WLS Ottoway OT4003 12V 40A car waterproof integrated relay kit is designed to provide a solution for powering high-current accessories in a vehicle while ensuring waterproofing and reliability. Here are some pros and cons to help you make an informed decision about purchasing this relay kit:

1. Waterproof design: This relay kit is designed to be used in harsh environmental conditions, making it ideal for outdoor applications where water exposure is a concern.

2. Integrated design: The kit includes the relay, waterproof connector, and fuse in one package, making it convenient for installation and reducing the number of components needed.

3. High current capacity: The 40A current capacity of this relay kit is sufficient for powering high-draw accessories such as winches, compressors, and lights.

4. Easy installation: The kit comes with clear instructions, making it relatively easy to install for most users.

1. Limited compatibility: This relay kit may not be compatible with all vehicles or accessories due to its specific design and size. It's essential to check the compatibility before purchasing.

2. Limited protection: While the waterproof design provides some level of protection against environmental factors, it does not offer protection against electrical surges or overloads. Additional protection measures may be necessary for some applications.

3. Limited customization: The integrated design of this relay kit may limit the customization options available for more advanced users.

The WLS Ottoway OT4003 12V 40A car waterproof integrated relay kit is a reliable and convenient solution for powering high-current accessories in a vehicle, especially in harsh environmental conditions. Its waterproof design and integrated components make it an attractive option for off-road enthusiasts, campers, and other outdoor enthusiasts. However, it may not be the best option for users seeking advanced customization options or those with specific compatibility requirements.

If you are looking for a reliable and easy-to-install solution for powering high-current accessories in your vehicle, particularly in harsh environmental conditions, the WLS Ottoway OT4003 12V 40A car waterproof integrated relay kit is an excellent choice. However, if you require advanced customization options or have specific compatibility requirements, you may want to consider alternative options. Always check compatibility before purchasing to ensure the relay kit will meet your specific needs.

Details:

DC12V sealed relay and waterproof design socket, can be used in bad condition. Self-wiring inside the waterproof socket, better than Exposed wiring. With metal bracket. 24/7 live chat available.

For cable diameter up to 3.0mm, 12-20 AWG.

part #: ot4003 price

• $38.23

specifications secusammy:

• brand: Wls
• mpn: Ot4003
• part type: Kit
• connector type: Plug-in
• contact material: Copper
• contact type: Normally Open
• current rating: 40 Amps
• mounting type: Socket Mount
• operation mode: Off
• wattage: 560 Watts
• coil voltage: 12 Volts
• upc: 709812819564
• item weight: 2.39 Ounces
• package dimensions: 2.64 X 1.77 X 1.77 Inches
• is discontinued by manufacturer: No
• customer s: 4.9/5
• country of origin: United States

returns secusammy:

• time: 60 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

offer secusammy:

• started: December 27, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

seller secusammy:

• city: Pennsauken, New Jersey
• rating: 99.7%
• # reviews: 1769

shipping secusammy:

• transit: 3-7 Days
• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00

payments secusammy:

• wallet: Paypal
• other
• credit card: Mastercard

general secusammy:

• condition: New
• Vehicle Electronics GPS > Car Alarms Security > Relays Sensors