# Relpol RM50N-3021-85-1012 Electromagnetic Relay, 12A, 12V DC Coil, 1 NO Contact

**URL:** https://aio.lv/en/product--relpol-rm50n-3021-85-1012--12466445
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Relpol
**Manufacturer code:** RM50N-3021-85-1012
**EAN:** 5900005202186
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--relpol-rm50n-3021-85-1012--12466445

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Relpol RM50N-3021-85-1012 is a high-quality electromagnetic relay designed for reliable switching in industrial and automation applications. It features a 12A rated current and a 12V DC operating coil voltage. Equipped with one normally open (NO) contact, this relay provides efficient performance for control circuits and electrical systems requiring precise switching capabilities.

## Long description

The Relpol RM50N-3021-85-1012 is a high-performance electromagnetic relay engineered for dependable switching in demanding industrial and automation environments. This component is designed to manage electrical loads with precision, featuring a robust 12A rated current capacity and a 12V DC coil voltage. With its single normally open (NO) contact configuration, it serves as a reliable interface between control signals and power circuits, ensuring consistent operation in various electrical systems.
Advantages
This relay stands out due to its compact design and high switching reliability, which are essential for modern control panels and automation equipment. The construction quality ensures long-term durability even under frequent switching cycles. Its standardized electrical parameters make it highly compatible with a wide range of industrial controllers, while the 12V DC coil allows for seamless integration into low-voltage control logic systems.
Suitable for
Industrial automation control systems
Power management in electrical panels
Switching of small to medium-sized electrical loads
Integration into PLC-based control circuits
General purpose electrical switching applications
When it may not be suitable
This relay is not intended for high-voltage power distribution or heavy-duty industrial motor starting applications that exceed its 12A current rating. It is also not suitable for environments requiring specialized protection against extreme moisture or corrosive gases without additional protective housing.
Key specifications
Rated current: 12A
Coil voltage: 12V DC
Contact configuration: 1 NO (Normally Open)
Application: Industrial and automation control
How to use
The relay should be mounted securely onto a compatible socket or printed circuit board designed for this specific form factor. Ensure that the control circuit is connected to the coil terminals and the load circuit is wired through the normally open contact terminals. Verify that the power supply voltage matches the 12V DC coil requirement before energizing the system to prevent damage to the coil.
What to consider before purchase
Verify that the 12V DC coil voltage matches your control system output.
Ensure the 12A current rating is sufficient for your specific load requirements.
Check the physical mounting dimensions to ensure compatibility with your existing enclosure or PCB layout.
Confirm that a single normally open contact is sufficient for your circuit logic.
Usage recommendations
Always ensure that the relay is operated within its specified electrical ratings to maintain safety and prolong the service life of the component. Periodically inspect the connections for tightness and signs of thermal stress in high-vibration environments.

## FAQ

### How much does the Relpol RM50N-3021-85-1012 Electromagnetic Relay cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 33 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 14.07.2026 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 Relpol 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 Relpol 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/12466445/68768555_large.webp