# Eaton Power Contactor 12A 3P 24V DC 0NO 1NC 189990

**URL:** https://aio.lv/en/product--eaton-189990--12447473
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** EATON
**Manufacturer code:** 189990
**EAN:** 4015081879861
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Eaton 189990 is a high-performance 3-pole power contactor designed for reliable electrical switching. It features a 12A rated operational current and a 24V DC control coil. Equipped with 0 normally open and 1 normally closed auxiliary contact, this device is ideal for industrial automation, motor control, and power distribution systems requiring efficient and safe circuit management.

## Long description

The Eaton 189990 is a robust 3-pole power contactor engineered for precise electrical switching in demanding industrial environments. With a rated operational current of 12A and a reliable 24V DC control coil, this device ensures consistent performance for various power management applications. It is designed to provide safe and efficient circuit control, featuring a compact architecture that integrates seamlessly into modern electrical panels and control systems.
Advantages
This power contactor offers exceptional durability and operational reliability, making it a dependable choice for long-term industrial use. Its design prioritizes safety and efficiency, ensuring that electrical circuits are managed with high precision. The 24V DC coil operation provides stable switching performance, while the compact 3-pole configuration allows for space-saving installation in crowded control cabinets. The inclusion of an auxiliary contact enhances its versatility, allowing for better monitoring and integration into complex automation setups.
Suitable for
Industrial automation systems
Motor control circuits
Power distribution panels
HVAC control equipment
Lighting control systems
When it may not be suitable
This device is not intended for applications requiring AC control voltages, as it is specifically designed for 24V DC operation. It may also be unsuitable for high-load environments exceeding its 12A rated operational current capacity.
Key specifications
Number of poles: 3
Rated operational current: 12A
Control coil voltage: 24V DC
Auxiliary contacts: 0 normally open, 1 normally closed
How to use
Installation should be performed by a qualified professional in accordance with local electrical regulations. The contactor is typically mounted on a standard DIN rail or directly onto a mounting plate within an enclosure. Connect the main power lines to the primary terminals and the 24V DC control signal to the coil terminals. Ensure all connections are tightened to the specified torque to prevent overheating or loose contacts. Once installed, verify the operation of the auxiliary contact to ensure correct feedback signaling within your control system.
What to consider before purchase
Verify that your control system provides a 24V DC signal.
Ensure the 12A current rating is sufficient for your specific motor or load.
Check available space in your electrical cabinet for mounting.
Confirm that the auxiliary contact configuration (0NO, 1NC) meets your feedback requirements.
Usage recommendations
For optimal longevity and safety, regularly inspect the terminal connections for tightness and ensure the device is kept free from dust and moisture. Do not exceed the rated operational parameters to prevent premature wear or failure of the contactor.

## FAQ

### What payment options are available?

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### 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 EATON 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 EATON 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

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