- Vehicle Lighting Systems – Used for controlling headlights, fog lamps, indicators, and auxiliary lighting.
- Cooling & HVAC Systems – Supports switching of radiator fans, blowers, compressors, and climate-control components.
- Engine Management – Applied in fuel pumps, ignition systems, engine control circuits, and related electrical functions.
- Commercial Vehicles – Used in buses, trucks, vans, and other heavy-duty vehicle electrical systems.
- Automotive Manufacturing – Integrated into vehicle wiring harnesses, control panels, and electrical assemblies.
- Industrial & Off-Highway Equipment – Suitable for construction machinery, agricultural equipment, material-handling vehicles, and other mobile equipment.
IN₹
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Description
An Automotive Relay enables efficient switching of high-current electrical loads without directly routing high current through sensitive control switches. It uses an electromagnetic mechanism to open or close the required circuit based on a control signal. The relay supports reliable operation in automotive electrical and electronic systems. Its compact construction allows easy integration into vehicle wiring harnesses, control modules, and electrical assemblies. Automotive relays are commonly used for lighting, cooling fans, horns, fuel pumps, starters, and accessory circuits. They help improve circuit protection, switching efficiency, and overall reliability in automotive applications.
Specifications
| Key Attributes | |
|---|---|
| Current Rating | 40A |
| Relay Type | Electromagnetic Relay |
| Product Type | Automotive Relay |
| Coil Voltage | 12V DC |
| Housing Color | Black |
| Housing Type | Enclosed |
| Switching Method | Coil Operated |
| Additional Information | |
|---|---|
| Country of Origin | India |
Application
Company Profile
Smart Source Technologies, Tamil Nadu
Tamil Nadu, India
Tamil Nadu, India15 yrs
Distributor•Trading Company•Importer•Wholesaler
Turn Over
₹1 Crore – ₹5 Crore
Factory Details
Factory Size1000-5000 sqm
Frequently Asked Questions
1
What is a 12V 40A automotive relay used for?
It is used to control higher-current automotive devices such as lights, fans, horns, pumps, and motors through a lower-current control circuit.
2
What is the coil voltage of this relay?
The visible marking indicates a 12V DC coil.
3
What is the current rating?
The relay is visibly marked with a 40A rating.
4
Why are relays used in automotive circuits?
Relays allow a low-current switch or control signal to safely operate a higher-current electrical load.
5
What type of terminals does this relay have?
It uses heavy-duty blade or spade-style terminals designed for connection to a compatible automotive relay socket or wiring harness.
Automotive Relay
Automotive Relay is an electrically operated switching component designed to control high-current circuits using a low-current control signal. It helps manage electrical loads such as lighting, motors, fans, horns, and other vehicle systems.
Min. Order Quantity: 500 pieces
Shipping
Shipping fee and delivery date to be negotiated. Contact supplier now for more details.
Smart Source Technologies
Tamil Nadu, India
Tamil Nadu, IndiaDistributor
