# Eaton CMUC230/25-31 Installation Contactor, 25A, 3NO+1NC, 230V

**URL:** https://aio.lv/en/product--eaton-137401--12454213
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 137401
**EAN:** 4015081341832
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 66.99 €
**Prices and availability valid until:** 2026-08-24 23:59
**Price without VAT (21%):** 55.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-137401--12454213

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.79 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

The Eaton CMUC230/25-31 installation contactor is a reliable switching device designed for electrical distribution systems. It features a 25A rated current, 3 normally open (NO) and 1 normally closed (NC) contact configuration, and operates on a 230V control voltage. Ideal for controlling lighting, heating, and ventilation systems in residential and commercial buildings, ensuring efficient and safe circuit management.

## Long description

The Eaton CMUC230/25-31 installation contactor is a high-performance switching component engineered for seamless integration into modern electrical distribution systems. This device provides robust control over electrical circuits with a rated current of 25A and a versatile contact configuration consisting of 3 normally open (NO) and 1 normally closed (NC) contacts. Designed for operation with a 230V control voltage, it serves as a dependable solution for managing power distribution in both residential and commercial environments.
Advantages
This installation contactor stands out due to its reliable switching performance and durable construction, which ensures long-term operational stability in demanding electrical setups. The inclusion of both normally open and normally closed contacts offers greater flexibility for complex circuit designs, allowing for diverse automation and control scenarios. Its compact design facilitates easy installation within standard distribution boards, while the high-quality materials used in its manufacturing contribute to enhanced safety and reduced maintenance requirements over the product's lifespan.
Suitable for
Controlling lighting systems in residential buildings
Managing heating and ventilation equipment in commercial spaces
Automated switching of electrical loads in distribution panels
Integration into building management systems for energy efficiency
When it may not be suitable
This contactor is not intended for high-power industrial motor starting applications that exceed its 25A rated capacity. It is also not suitable for environments with extreme moisture, dust, or corrosive gases unless housed within an appropriately rated protective enclosure.
Key specifications
Rated operational current: 25A
Contact configuration: 3 normally open (NO) and 1 normally closed (NC)
Control voltage: 230V AC
Mounting type: DIN rail
Application: Electrical distribution and load switching
How to use
The device is designed for mounting on a standard DIN rail within an electrical distribution cabinet. Ensure that the power supply is disconnected before beginning the installation. Connect the control circuit wires to the designated coil terminals and the load circuit wires to the power terminals according to the wiring diagram provided on the device housing. Once installed, verify that all connections are secure and that the contactor operates correctly by testing the control signal.
What to consider before purchase
Verify that the 25A rated current is sufficient for your specific load requirements
Ensure the 230V control voltage matches your existing control system
Check available space on the DIN rail within your distribution board
Confirm the contact configuration (3NO+1NC) meets your circuit logic needs
Usage recommendations
Always ensure that the installation is performed by a qualified electrician in accordance with local electrical regulations and safety standards to prevent damage to the equipment or risk of electrical shock.

## FAQ

### How much does the Eaton CMUC230/25-31 Installation Contactor 25A cost, and is it available for purchase?

The price is 66.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 10.08.2026 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 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

https://aio.lv/img/cache/product/12454213/68756692_large.webp