1. Car Security Relays & Sensors Products
  2. sku: 2336306902509693
  3. EPLZON EP-WIRE-4P40A

EPLZON EP-WIRE-4P40A Spst Waterproof Relay Awg Tinned Copper Amplifier 12V Pin 40/30

Ep-wire-4p40a Eplzon 12v Dc Spst Waterproof Relay Heavy Duty 14 Awg Tinned Copper 4 Pin 40/30 Amp

( Brand: Eplzon ), ( Manufacturer Part Number: EP-WIRE-4P40A ), ( Part Type: Amplifier ), ( Package Dimensions: 7.17 X 2.91 X 1.65 Inches; 7.05 Ounces ), ( Country Of Origin: China ), ( Item Length: 7.17 ), ( Item Height: 1.65 ), ( Item Width: 2.91 ), ( Color: 4 Pin 40/30 Amp )

Review EPLZON 12v Dc Spst Waterproof Relay Heavy Duty Awg Tinned Copper Pin 40/30 Amp

The Eplzon EP-WIRE-4P40A 12V SPST Waterproof Relay is an essential component for various automotive and industrial applications. This relay is designed to handle up to 40 Amps at 12 Volts, making it suitable for heavy-duty electrical systems.

The SPST (Single Pole Single Throw) design of this relay ensures that it can switch between two electrical circuits, providing simple and efficient control. The 14 AWG (American Wire Gauge) tinned copper pins offer robust connectivity and ensure a secure electrical connection.

The waterproof feature of this relay makes it an excellent choice for outdoor or wet environment applications. It is sealed to protect against dust, moisture, and other harsh elements, which increases its durability and reliability.

This 12V relay is designed with a coil resistance of 40 Ohms, which allows for quick switching times and reduces power loss. The contact rating is 40 Amps at 125 degrees Celsius, ensuring that it can handle high current loads without overheating or failing.

The Eplzon EP-WIRE-4P40A is a versatile and high-performing relay that can be used in various automotive applications, such as power window control, power seat control, and power door lock systems. It can also be used in industrial applications, such as HVAC systems, water pumps, compressors, and other heavy-duty electrical equipment.

The dimensions of this relay are 51mm (L) x 25mm (W) x 17mm (H), making it a compact and space-saving component. It also comes with a mounting bracket for easy installation.

In conclusion, the Eplzon EP-WIRE-4P40A 12V SPST Waterproof Relay is a high-performing and versatile component that can handle heavy-duty electrical loads in various automotive and industrial applications. Its waterproof design, quick switching times, and robust connectivity make it a reliable and efficient choice for any electrical system.

Pros and Cons of buying a EPLSON EP-Wire-4P40A 12V SPST Waterproof Relay

The EPLSON EP-Wire-4P40A 12V SPST Waterproof Relay is a popular option for those seeking a reliable and waterproof relay for various applications. Here are some pros and cons to consider before making a purchase.

Pros:

1. Waterproof Design: This relay is designed to operate in harsh environmental conditions, making it ideal for outdoor applications where exposure to water and moisture is common.

2. SPST Switching: The single-pole, single-throw (SPST) design allows for simple and straightforward circuitry, making it easier to design and build projects.

3. 40A/30A Rating: With a 40A contact rating and a 30A coil rating, this relay can handle a significant amount of current, making it suitable for a wide range of projects.

4. Tinned Copper Pins: The use of tinned copper pins ensures a good electrical connection and helps prevent oxidation and corrosion over time.

5. 12V Operating Voltage: The 12V operating voltage is common and easily available, making it a versatile choice for various applications.

Cons:

1. Higher Cost: Compared to some other relays on the market, the EPLSON EP-Wire-4P40A 12V SPST Waterproof Relay may be more expensive due to its waterproof design and higher current handling capabilities.

2. Limited Applications: While this relay is suitable for a wide range of projects, it may not be the best choice for applications that require multiple relays or more complex switching functions.

3. Manual Operation: This relay is manually operated, meaning it requires an external switch or control to operate. For applications that require automatic operation, an electronic relay or solenoid may be a better choice.

Conclusion:

The EPLSON EP-Wire-4P40A 12V SPST Waterproof Relay is an excellent choice for those seeking a reliable and waterproof relay for outdoor applications that require simple switching functions and can handle significant current. Its higher cost and limited applications may make it less suitable for more complex projects or those on a tighter budget. Ultimately, the decision to purchase this relay depends on the specific requirements of your project and your budget.

Recommendation:

If you're looking for a reliable and waterproof relay for outdoor applications and are willing to pay a higher price for these features, the EPLSON EP-Wire-4P40A 12V SPST Waterproof Relay is an excellent choice. However, if you have a smaller budget or require more complex switching functions, you may want to consider other options on the market.

Details:

Be careful when inserting the relay into socket. If too much force is applied, it will cause the female joint to bend, Pre wired harness - heavy-duty 18/14 AWG. Fast Delivery. Black 18AWG pin 85, red 14AWG 30, white 86, and blue 87, Pin Specifications: 30-High power feed,85-Relay coil ground,86-relay feed trigger wire ,87-high output normally open contact, Shipping.

part #: epwire4p40a price

  • $21.01

specifications secusammy:

  • brand: Eplzon
  • mpn: Ep-wire-4p40a
  • part type: Amplifier
  • package dimensions: 7.17 X 2.91 X 1.65 Inches; 7.05 Ounces
  • country of origin: China
  • item length: 7.17
  • item height: 1.65
  • item width: 2.91
  • color: 4 Pin 40/30 Amp

general secusammy:

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

shipping secusammy:

  • type: Fixed
  • cost: $0.00
  • class: Expedited
  • transit: 5-9 Days
  • service: Expedited

payments secusammy:

  • other
  • credit card: Visa
  • wallet: Paypal

seller secusammy:

  • # reviews: 81
  • rating: 98.8%
  • city: Miami, Florida

offer secusammy:

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

returns secusammy:

  • policy: No Returns
part type: amplifier, package dimensions: 7.17 x 2.91 x 1.65 inches; 7.05 ounces, country of origin: china, item length: 7.17, item height: 1.65, item width: 2.91,
category: electronics > vehicle electronics gps > car alarms security > relays sensors, color: 4 pin 40 30 amp, sku: 2336306902509693,

Eplzon EP-WIRE-4P40A Is Similar To:

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1 offer $21.01 USD
  • Offer #1: $21.01 price + $0.00 shipping estimate = $21.01* total. Black -18AWG pin 85, red -14AWG pin 30, white -18AWG pin 86, and blue -14AWG pin 87. Be careful when inserting the relay into the socket.FREE SHIPPING

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