# BLOW 4120 Automotive Relay 12V 70A MAB112C1

**URL:** https://aio.lv/en/product--blow-02782--12472936
**Data updated:** 2026-05-18 09:37 (EEST)
**Category:** Car Accessories
**Manufacturer:** BLOW
**Manufacturer code:** 02782
**EAN:** 5900804072935
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blow-02782--12472936

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The BLOW 4120 automotive relay is a high-performance electrical component designed for 12V vehicle systems. With a 70A capacity and MAB112C1 configuration, this relay ensures reliable switching for various automotive electrical circuits. It is built for durability and efficient performance in demanding automotive environments, making it an essential part for vehicle electrical maintenance and custom installations.

## Long description

The BLOW 4120 automotive relay is a robust electrical component engineered for reliable performance in 12V vehicle electrical systems. Designed to handle high-current loads up to 70A, this relay provides a stable switching solution for various automotive circuits. Its durable construction ensures consistent operation even in demanding environments, making it a dependable choice for both routine electrical maintenance and custom automotive wiring projects.
Advantages
This relay offers exceptional durability and high-capacity switching performance, ensuring that your vehicle's electrical components receive consistent power. Its compact design allows for easy integration into existing fuse boxes or custom electrical setups, while the high-quality materials used in its construction provide resistance to the vibrations and temperature fluctuations common in automotive applications.
Suitable for
High-power lighting systems
Electric cooling fans
Fuel pumps
Car audio amplifiers
Additional vehicle accessories
When it may not be suitable
This relay is specifically designed for 12V DC systems and should not be used in 24V vehicle electrical systems, such as those found in heavy trucks or buses. Additionally, it is not intended for high-voltage AC applications or circuits exceeding its 70A current rating.
Key specifications
Voltage: 12V DC
Maximum current capacity: 70A
Configuration: MAB112C1
Application: Automotive electrical circuits
How to use
To install the relay, ensure the vehicle's battery is disconnected to prevent short circuits. Connect the relay terminals to the corresponding wires in your circuit, ensuring that the control circuit and the load circuit are correctly identified. Secure the relay in a dry, protected location away from direct moisture or excessive heat sources to maintain its longevity.
What to consider before purchase
Verify the voltage requirements of your vehicle system
Ensure the current draw of your device does not exceed 70A
Check the physical space available for mounting the relay
Confirm compatibility with your existing wiring harness or socket
Usage recommendations
Always use appropriately sized wiring and fuses in conjunction with this relay to protect your vehicle's electrical system from potential overloads or short circuits.

## FAQ

### How much does the BLOW 4120 Automotive Relay 12V 70A cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1762 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 08.07.2026 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.

### What is the warranty period?

All BLOW products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BLOW service centers and through AiO.lv

### 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/12472936/68791984_large.webp