Hamolar
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2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
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2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.
2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine
Item #: 42860393

2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine

Item #: 42860393

USD 27

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*All items will import from US

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Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.
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What Stands Out

High Current Rating
Supports up to 120A continuous current, ensuring reliable performance for heavy-duty applications such as trucks and boats, making it ideal for demanding environments.
Durable Construction
Designed for continuous duty with premium materials, these relays resist corrosion and wear, offering longevity and dependable operation in harsh marine and automotive conditions.
Versatile Application
Perfect for split charging systems, these relays can be used in various vehicles and setups, providing flexibility and usability for both casual and professional users.

Product Details

Shop 2 Pack 12V DC 120A Starter Relay Switch Car Heavy Duty Split Charge Continuous Duty 4 Terminal SPST Relays for Truck Boat Marine online at a best price in British Virgin Islands. B0981W8PZK
  • The 12v relay uses high-quality alloy terminals, and the internal contacts are silver-plated. Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.
  • Function: 12VDC (14V Max) 4-Pin SPST (Single Pole Single Throw) Relay with 120A High Switching Capability. Perfect for Split Charging or Various Automotive Applications.
  • High 120A coil capacity- able to handle those high current applications with ease, Heavy duty make or break (on/off) relay.
  • We are equipped with terminal and gaskets to make installation simple and easy.
  • Relay kit made by high-grade flame retardant materials to ensure superior quality and long lifespan.
Connector TypeScrew, Through Hole
Contact TypeSpst
Current Rating120 Amps
Mounting TypeSurface Mount
Operation ModeOff
Wattage1440 watts
Coil Voltage12 Volts
Contact Current Rating120 Amps
Minimum Switching Voltage12 Volts (DC)
Contact MaterialSilver
Brand NameHamolar
UPC721703426538
Part NumberRD-120
ModelRD-120
ManufacturerHamolar
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Marine Users

    Ideal for boat owners needing reliable switching for powering marinized electrical equipment while ensuring safety and performance.

  • Truck Owners

    Perfect for truck applications requiring heavy duty relays for starting motors and managing additional electrical loads effectively.

  • Off-Road Enthusiasts

    Great for 4x4 and off-road vehicle modifications requiring durable and reliable relays for split charging systems.

Not Suitable For
  • Standard Vehicles

    Not suitable for standard cars that do not require heavy duty relays or continuous duty applications.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the specifications of the 12V DC 120A Starter Relay Switch?

    Answer: The 12V DC 120A Starter Relay Switch features a heavy-duty design, specifically rated for 120 amps. It operates at 12 volts and is built to handle continuous duty without compromising performance. The relay consists of four terminals: two for the input (supply) and two for the output (load) connections. Its single-pole single-throw (SPST) configuration allows for straightforward switching applications, making it ideal for reliable use in boats, trucks, and various marine applications.
  • Question: What applications are best suited for the 12V DC Starter Relay Switch?

    Answer: This starter relay switch is versatile and can be used in numerous applications beyond just vehicle engines. Ideal use cases include truck and marine starter systems, auxiliary battery systems for boats, and other high-current applications where reliable switching is critical. It can also be employed in powering other electrical devices in automotive settings, ensuring efficient operation without the risk of overload.
  • Question: How do I install the 12V DC 120A Starter Relay Switch?

    Answer: Installation of the 12V DC 120A Starter Relay Switch involves connecting the terminals correctly to your vehicle or equipment. Begin by securing the relay in a location with adequate space for airflow. Connect the input terminals to your power source and the output terminals to your starter motor or auxiliary device. It's crucial to ensure secure connections to prevent overheating or short-circuiting. Always refer to your vehicle's wiring diagram for specific installation guidance.
  • Question: What is the difference between SPST and SPDT relays?

    Answer: SPST (Single-Pole Single-Throw) and SPDT (Single-Pole Double-Throw) are two types of relay configurations. An SPST relay only has one input and one output, allowing electrical current to be either on or off. In contrast, an SPDT relay can switch between two output terminals, providing a choice of two different circuit paths. For most automotive applications requiring simple on/off control, an SPST relay is sufficient, making it a preferred choice for devices like the 12V DC Starter Relay.
  • Question: Can this relay work with solar charging systems?

    Answer: Yes, the 12V DC 120A Starter Relay Switch is compatible with solar charging systems, especially for those designed to manage battery charging and loads. The relay can efficiently control the charging process by switching the connection between the solar panel and the battery bank. This ensures that the batteries are charged when solar energy is available, while also providing reliable power to the load without risking overcharging. It's an excellent choice for off-grid applications.
  • Question: What are the signs that my starter relay is failing?

    Answer: Symptoms of a failing starter relay include difficulty starting the engine, clicking sounds when attempting to start, or the engine not cranking at all. Additionally, intermittent operation of electrical accessories may indicate relay issues. If you notice these signs, it’s essential to inspect the relay and associated connections to ensure proper function. Replacing a failing starter relay can help restore reliable vehicle operation and prevent unexpected failures.
  • Question: How does the continuous duty feature benefit this relay?

    Answer: The continuous duty feature of the relay is essential for applications requiring constant operation without overheating. This relay is designed to handle prolonged use, making it perfect for systems that engage frequently, like electric winches or marine starter systems. This capability minimizes the risk of the relay failing due to overheating, thus ensuring consistent performance in demanding environments.
  • Question: Are there specific wiring techniques recommended for this relay?

    Answer: To ensure the best performance from the 12V DC 120A Starter Relay Switch, use stranded copper wire for connections, as it provides flexibility and efficient conductivity. Additionally, keep wire lengths as short as possible to reduce resistance, and use appropriate fuse protection in line with the relay's amperage rating. Properly crimping or soldering connections is crucial to avoid moisture infiltration that can lead to corrosion and failure.
  • Question: Where can I buy the 2 Pack 12V DC 120A Starter Relay Switch in British Virgin Islands?

    Answer: You can purchase the 2 Pack 12V DC 120A Starter Relay Switch at Ubuy. They offer a comprehensive selection of automotive and marine electrical components, ensuring that you can find the right products for your needs. Ubuy provides a user-friendly shopping experience, making it easy to navigate through various options and secure your relay switch quickly.

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USD 27

Order now and get it around Wednesday, July 29

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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Fastest cross-border delivery

Features & Benefits

  • High-quality alloy terminals
  • Silver-plated internal contacts
  • High Power Ideal for universal 12V applications
  • 4-Pin SPST (Single Pole Single Throw) Relay
  • 120A High Switching Capability
  • Equipped with terminal and gaskets for easy installation

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