# Electromagnetic SPDT Automotive Relay 12VDC 40A

**URL:** https://aio.lv/en/product--electromagnetic-spdt-automotive-relay-12vdc-40a--6636644
**Data updated:** 2026-02-12 14:21 (EET)
**Category:** Other Repair Parts
**Manufacturer code:** EB599982280#
**EAN:** 3100000975647
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.35 €
**Prices and availability valid until:** 2026-08-14 23:59
**Price without VAT (21%):** 2.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--electromagnetic-spdt-automotive-relay-12vdc-40a--6636644

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Single-pole double-throw (SPDT) electromagnetic automotive relay rated for 12 V DC control and 40 A switching. Designed for use in vehicle electrical systems to switch lights, motors, pumps, heaters and other high-current circuits. Provides reliable contact switching, compact form factor for mounting in engine bays or relay panels, and simple wiring for control and load terminals.

## Long description

Electromagnetic SPDT Automotive Relay 12VDC 40A is a single-pole double-throw relay designed for 12 V DC vehicle electrical systems. It provides a compact switching solution for circuits that require reliable contact changeover at currents up to 40 A. The relay features a simple 12 V coil drive and clearly separated control and load terminals to facilitate installation in engine bays, fuse/relay panels, or custom wiring harnesses.
Advantages
This SPDT automotive relay offers dependable contact switching and a compact form factor that fits common relay sockets and mounting brackets. With a 12 V coil and 40 A switching capacity, it handles high-current loads such as motors, pumps, and lighting circuits while minimizing wiring complexity. The relay's construction supports consistent operation under typical vehicle environmental conditions and simplifies replacement or upgrades in existing electrical systems.
Suitable for
 Headlights, auxiliary lights and fog lamps
 Cooling fans, fuel pumps and water pumps
 Heaters, defrosters and seat heating circuits
 Starter cut-off, power distribution and accessory switching
 DIY automotive wiring projects and relay panel installations
Key specifications
 Coil voltage: 12 V DC
 Contact configuration: SPDT (single-pole double-throw)
 Maximum switching current: 40 A
 Typical applications: switching of lights, motors, pumps, heaters
 Mounting: panel or socket compatible compact housing
 Terminals: separate control (coil) and load (common/NO/NC) connections
How to use
Install the relay into a suitable holder or mount it in a protected location within the vehicle, ensuring secure electrical connections and proper orientation. Connect the 12 V control supply to the coil terminals and route the high-current load through the common and normally open or normally closed contact terminals depending on the intended switching behavior. Verify wiring with the vehicle wiring diagram and use appropriate gauge wire and fuses rated for the load current. After wiring, test the relay operation by applying control voltage and confirming that the load is switched correctly.
Usage recommendations
Use fuse protection sized slightly above the expected load but within safe limits for the wiring and relay rating. For high-vibration or high-temperature installations, select mounting locations that minimize mechanical stress and heat exposure. Periodically inspect terminal connections for corrosion and ensure the relay is rated for the continuous or intermittent duty required by the specific application.

## FAQ

### How much does the Automotive Relay SPDT 12VDC 40A cost, and is it available for purchase?

The price is 3.35 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/6636644/49253609_large.webp