Your Professional Automobile Relay Supplier！
Ningbo Liming Relay, located at No. 986 Zhongguan Road, Jiaochuan Street, Zhenhai District, Ningbo City, Zhejiang Province, was established in 1996. It covers an area of 13.7 mu and has over 200 frontline workers, 15 technical R&D personnel, 22 sales staff, and a 10-member e-commerce team. The company mainly engages in the design, development, and sales of relays, switch components, winch accessories, automotive modification parts, outdoor off-road, and rescue and recovery series products.
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![High-current Automotive Relay]()
High-current Automotive RelayThe high-current starting relay features silver alloy contacts and red copper coil material. It is precision-made through sophisticated molds and has widespread applications. The fully copper -
![Automotive Timer Relay]()
Automotive Timer RelayThis automotive timer relay is a high-performance component from the LR4120 Automobile Relay Series by Ningbo LiMing Relay Company Limited. It is designed with robustness and efficiency in mind, -
![Automotive Relay 12v 40a]()
Automotive Relay 12v 40aThis automotive relay is a critical electronic switch designed to control high - current loads in vehicle electrical systems, enabling efficient power management and system reliability. -
![Automotive Mini Relay]()
Automotive Mini RelayThe EU-compliant 1.5mm² braided wire 6-pin/7-pin miniature DC relay is engineered for high-performance control applications in compact spaces. Pure Copper Coil | 12～24V | Spin Riveting Process | -
![Automotive Latching Relay]()
Automotive Latching RelayRelay This automotive relay is a compact and reliable electromagnetic switch designed for efficient power control in vehicle electrical systems. With dimensions of 23mm × 15.4mm × 37.7mm, it offers a -
![Automotive Electrical Relay]()
Automotive Electrical RelayThis automotive relay is a high-quality electronic component manufactured by Ningbo Liming Relay Co., Ltd. It is part of their reliable range of relays designed for various automotive applications. -
![Automotive Delay Relay]()
Automotive Delay RelayAutomotive delay relay is an electromagnetic switch that controls high-current circuits with low-power signals, serving as a critical component in vehicle electrical systems.
Why Choose Us
Rich Experience
Founded in 1996, It covers an area of 13.7 mu and has over 200 frontline workers, 15 technical R&D personnel, 22 sales staff, and a 10-member e-commerce team.
Advanced Equipment
The company operates automated assembly and testing equipment, including relay automatic testers, laser marking machines, and automated assembly lines. These systems help ensure stable production processes and reliable product consistency.
Sales Market
Our products are exported to Europe, North America, Australia, Japan, South Korea, and other global markets. Years of cooperation with international customers have helped us understand the quality, documentation, and service expectations of overseas buyers.
Overview of Automobile Relay
An automobile relay is an electrically operated switch that uses a small current (control circuit) to manage a much higher amperage circuit (load circuit), protecting delicate switches and wiring. It enables efficient, safe operation of high-power components like headlights, fuel pumps, and fan motors using 12V DC power.
Product Specification
We offers the following product specifications:
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Contact Arrangement |
1A(SPSTNO) |
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Contact Material |
Ag Alloy |
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Contact Rating (Resistive) |
25A/14VDC |
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Max. Switching Power |
350W |
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Max. Switching Voltage |
16VDC |
Max. Switching Current: 25A |
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Voltage Drop(Initial) |
Typ. 50mV (at 10A) |
Item 4.12 of IEC 61810-7 |
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Operation Life |
Electrical |
1×105 |
Item 4.30 of IEC 61810-7 |
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Mechanical |
1×107 |
Item 4.31 of IEC 61810-7 |
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Dash numbers |
Coil voltage VDC |
Coil resistance |
Pick-up voltage VDC(max) (65% of rated voltage) |
Drop-out voltage VDC(min) (10% of rated voltage) |
Coil power W |
Operate time ms |
Release time ms |
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Rated |
Max. |
With resistor |
With resistor |
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012-1090 |
12 |
15.6 |
132 |
7.8 |
1.0 |
Approx. 1.09 |
≤10 |
≤10 |
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Protection from Overcurrent: Relays prevent small switches and control modules from being overloaded by high-current devices. If you tried to power headlights or a starter motor directly through a dashboard switch, you’d likely fry the wiring or the switch itself.
Reduce Wiring Complexity: Relays allow you to control high-power circuits with low-current wiring, reducing the need for thick, heavy gauge wiring all the way from the control switch to the device. You can use lightweight wiring for the switch and route the high-current wiring through the relay, which is closer to the power source.
Power Efficiency: Since relays can switch large amounts of current with a small trigger signal, they reduce the electrical strain on control systems, improving overall efficiency.
Control High-Current Devices: Relays are essential when controlling high-current devices like starter motors, headlights, fuel pumps, cooling fans, and air conditioning compressors. Most of these devices require more current than the control system can provide directly, making relays the only safe option.
Automating Functions: Relays enable automation, such as turning on auxiliary lights when the engine starts or turning off accessories when the ignition is off.
Types of Automotive Relays
Electromechanical Relays
An electromechanical relay is a type of conventional relay that, in response to an electrical signal, employs mechanical connections to open or close the circuit. To build or detach, it is made up of an electromagnet that moves a number of contacts.
Time Delay Relays
A time delay relay is a unique type of relay that, in response to a control signal, delays shutting or opening the circuit. It is utilized in automobile applications where time is crucial, like headlight or interior illumination delay circuits. and in a delay start circuit to avoid simultaneous large current draw.
Micro Relays
Micro relays are compact versions of electromechanical relays, designed to save space in modern vehicles where real estate is limited. Despite their small size, they offer comparable performance to larger relays and are used in various automotive applications where size and weight reduction are priorities.
Power Relays
High current loads are intended for use with power relays. For operations that call for the distribution and operation of substantial volumes of electrical energy, this makes it perfect. Automotive technologies like power steering, electric cooling fans, and electrically heated seats all make use of these relays.
Application
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Lighting Systems
Within lighting setups, such as headlights and fog lights, relays deliver the necessary voltage efficiently, ensuring components function at their best.
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Fuel Management
Fuel systems depend on relays to govern fuel pumps and injectors, facilitating precise fuel distribution and engine performance.
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HVAC Operations
Relays in HVAC configurations handle compressors and fans, contributing to optimal climate control.
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Security Features
From triggering alarms to managing remote locking, relays provide prompt and effective operational responses, which enhance system reliability and functionality.
Coil: The coil is an electromagnet that generates a magnetic field when an electric current passes through it. This field initiates the relay's switching action.
Contacts: The contacts are points that open or close allowing current to flow.
Spring
The spring provides the necessary force to open or close the contacts.
Armature
When the relay is activated, the armature is the component that moves and either connects or disconnects the contacts.
Enclosure
The enclosure houses the internal components of the relay and protects against environmental factors.
Other Services
Wide Relay Custom Choices
AC/DC 24V-240V, Monitoring + Overcurrent/Undercurrent/Both, Specific monitoring function options and so on.
Reliable Supply
Laboratory validation; end-to-end QA; technical after-sales support from selection to assembly by technicians and business experts.
Mini Size
Each piece is 18mm wide and fits a 35mm DIN rail for easy installation or replacement.
High Efficiency
The lead time for direct warehouse transfers—including unique exterior light customization—is 10~15 days.
Certifications
Package & Delivery
Package: Standard export package or Custom.
Delivery: By air express, by sea.
FAQ
We're well-known as one of the leading automobile relay manufacturers and suppliers in China, also support customized service. With a professional production team, we are able to meet the needs of the majority of our customers. Please rest assured to wholesale high quality automobile relay in stock here from our factory.
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