Ningbo Zettler Electronics Co., Ltd.
Ningbo Zettler Electronics Co., Ltd.
Automotive Relay
Automotive Relay

Automobile relays for sale are relays used in automobiles. Such relays have high switching load power, high shock resistance, and vibration resistance. Most power supplies in automobiles use 12V, and most of the coil voltages are designed to be 12V. We, being one of the professional automotive relay manufacturers, ensure that our types of car relays for sale are meticulously designed, produced, and maintained to adhere to rigorous quality assurance standards.


Types of Car Relays for Sale

12V Automotive Relay
12V Automotive Relay
A 12V automotive relay is a type of electrical switch used in vehicles to control the flow of current to various components, such as headlights, wipers, and fuel pumps. The relay is designed to operate with a 12V DC voltage and is commonly used in automotive and marine applications.
24V Automotive Relay
24V Automotive Relay
A 24V automotive relay is an electrical component used in vehicles that is designed to operate with a 24-volt power supply. The relay is used to switch high currents or voltages to power various components such as the engine, lights, and accessories.
48V Automotive Relay
48V Automotive Relay
A 48V automotive relay is an electrical component designed to operate in vehicles with a 48-volt electrical system. It is typically used to switch high current or high voltage devices such as electric motors, lights, or other accessories. These relays are typically more robust than those designed for lower voltage systems.
Automotive Micro Relay
Automotive Micro Relay
An automotive micro relay is a small-sized electrical component used in vehicles to switch electrical circuits. The micro relay is designed to handle lower currents and voltages compared to larger relays, making it ideal for controlling smaller devices such as lights and sensors. It is commonly used in modern vehicles due to its compact size and low power consumption.
5V Automotive Relay
5V Automotive Relay
5V automotive relays are designed to operate on a 5V power supply, making them ideal for use in low voltage applications. They are commonly used in modern vehicles for a variety of functions, including controlling lighting systems, power windows, and other accessories.
Headlamp Relay
Headlamp Relay
A headlamp relay works by using a coil that, when energized by the vehicle's electrical system, closes a set of contacts that allow current to flow through the relay and power the headlights.
Intermittent Wiper Relay JTKW
Intermittent Wiper Relay JTKW
An intermittent wiper relay is an electrical component that controls the intermittent wiper function in a vehicle. The intermittent wiper relay is typically located in the vehicle's fuse box or power distribution center and is responsible for controlling the timing and speed of the windshield wipers.
5 Pin Automotive Relay JTKW
5 Pin Automotive Relay JTKW
A 5-pin automotive relay is an electrical component used in vehicles to control the flow of electrical current to various components such as the headlights, horn, fuel pump, and other accessories. The relay is a switch that is activated by an electrical signal and is typically used to control high current or high voltage devices.
Automotive Power Relay JTV7
Automotive Power Relay JTV7
An automotive power relay is an electrical switch used in vehicles to control high current loads such as starter motors, headlights, and fans. They are activated by a low current signal and can handle high voltage and current levels, making them ideal for automotive applications where reliability and durability are essential.
Relay For Car Horn
Relay For Car Horn
A relay for a car horn is an electrical component that controls the flow of electrical current to the horn. When the driver presses the horn button, the relay activates and allows high current to flow to the horn, which produces the sound. The relay helps to protect the horn button and wiring from damage due to high current.
Standard Automotive Relay
Standard Automotive Relay
A standard automotive relay is a type of electrical component used in vehicles to control the flow of electrical current to various components. It typically has 4 or 5 pins and is designed to be compact, reliable, and able to handle high currents and voltages. It is commonly used in automotive applications.
Waterproof Automotive Relay
Waterproof Automotive Relay
A waterproof automotive relay is an electrical component that is designed to withstand exposure to water and other environmental elements in vehicles. It is sealed to prevent water from entering the relay and causing electrical failure, making it ideal for use in marine and other wet environments.
Automotive Delay Relay
Automotive Delay Relay
An automotive delay relay is an electrical component used in vehicles to delay the activation or deactivation of certain devices. The relay is designed to provide a delay between the input signal and the output signal and is used in applications such as interior lighting, wiper control, and power windows.
Automotive Time Delay Relay
Automotive Time Delay Relay
An automotive time delay relay is an electrical component used to control the timing of a circuit in a vehicle. The relay includes a timing mechanism that delays the opening or closing of the circuit for a specific period of time after receiving a control signal. The delay function can be adjusted to meet the specific requirements of the application, such as turning off interior lights after a set period of time, or delaying the activation of a wiper system to allow for a gradual transition.
How Does an Automotive Relay Work?

How Does an Automotive Relay Work?

Despite all the different types of automotive relays, they all operate on a common principle: as electromechanical devices, they utilize an electrical signal to toggle a mechanical switch. It typically consists of a coil of wire wrapped around a soft iron core, which generates a magnetic field when a voltage is applied to it. The magnetic field pulls a metal armature towards the coil, which closes a set of contacts and completes an electrical circuit.

When the voltage to the coil is removed, the magnetic field collapses, and the spring returns the armature to its original position, opening the contacts and breaking the circuit. This process of opening and closing the contacts can be repeated many times, allowing the relay to switch the electrical circuit on and off as required.

The contacts in an automotive relay can be either normally open (NO) or normally closed (NC). In a normally open relay, the contacts are open when the relay is not energized, and they close when the relay is energized. In a normally closed relay, the contacts are closed when the relay is not energized, and they open when the relay is energized.

Automotive relays for sale are commonly used to control electrical loads such as headlights, cooling fans, fuel pumps, and power windows in vehicles. They are also used to protect electrical circuits from overloading and short-circuiting.


What Are the Benefits of Using Automotive Relays?

What Are the Benefits of Using Automotive Relays?

  • Electrical isolation: Automotive relays provide electrical isolation between the control circuit and the load circuit. This means that the control circuit can be operated by low voltage or low current, while the load circuit can be operated by high voltage or high current. This helps to protect the control circuit from damage and ensures reliable switching of the load circuit.

  • Reliable switching: Automotive relays are designed to switch electrical circuits with a high degree of reliability. They can handle high currents and voltages, and are capable of switching on and off rapidly and repeatedly. This makes them ideal for use in applications such as headlights, cooling fans, and fuel pumps.

  • Low power consumption: Automotive relays consume very little power when in the closed or open state. This means that they can be used in applications where energy efficiency is important, such as battery-powered systems.

  • Long service life: Automotive relays are designed to operate reliably for long periods of time. They are made from high-quality materials that are resistant to wear and tear, and are designed to withstand the harsh operating conditions found in automotive applications.


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