# Eaton CMUC230/25-40 Modular Contactor, 25A, 4NO, 230V AC/DC

**URL:** https://aio.lv/en/product--eaton-137309--12447598
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 137309
**EAN:** 4015081341818
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-137309--12447598

## 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 Eaton CMUC230/25-40 is a high-quality modular contactor designed for reliable switching of electrical loads. Featuring a 25A rated current and 4 normally open (NO) contacts, it operates on a 230V AC/DC control voltage. This compact device is ideal for industrial and residential electrical installations, ensuring efficient control of lighting, heating, and motor circuits in various power distribution systems.

## Long description

The Eaton CMUC230/25-40 is a high-performance modular contactor engineered for the precise and reliable switching of electrical loads. Designed for versatility, this device supports a rated current of 25A and features four normally open (NO) contacts, making it a robust solution for managing power distribution in both residential and industrial environments. Its ability to operate on a 230V AC/DC control voltage provides flexibility for various control circuit configurations, ensuring seamless integration into modern electrical systems.
Advantages
This modular contactor stands out due to its compact design, which allows for efficient use of space within distribution boards and control panels. The unit is built to high manufacturing standards, ensuring long-term operational reliability and minimal maintenance requirements. By utilizing a 230V AC/DC coil, the device offers enhanced compatibility with diverse control signals, reducing the need for additional power supply components. Its silent operation and high switching capacity make it an excellent choice for demanding applications where consistent performance is critical.
Suitable for
Switching lighting circuits in commercial and residential buildings
Controlling heating and ventilation systems
Managing small motor loads in industrial automation
Integration into building management systems for power distribution
When it may not be suitable
This contactor is not intended for applications requiring a higher rated current than 25A or for environments with extreme environmental conditions that exceed the specified protection ratings. It is also not suitable for switching circuits that require normally closed (NC) contacts, as this model is exclusively equipped with four normally open (NO) contacts.
Key specifications
Rated operational current: 25A
Contact configuration: 4 normally open (NO)
Control voltage: 230V AC/DC
Mounting type: DIN rail
Modular design for standard distribution boards
How to use
The Eaton CMUC230/25-40 is designed for quick and easy installation onto a standard DIN rail within an electrical enclosure. Begin by ensuring the power supply is disconnected before making any connections. Secure the device firmly to the rail, then connect the control circuit wires to the designated coil terminals and the load circuit wires to the main power terminals. Ensure all connections are tightened to the manufacturer's specified torque to prevent overheating or loose contact issues. Once installed, verify the wiring against your circuit diagram before restoring power to the system.
What to consider before purchase
Verify that the 25A rated current is sufficient for your specific load requirements.
Ensure that your control system provides a 230V AC/DC signal.
Confirm that your installation space allows for the modular dimensions of the device.
Check if your application specifically requires four normally open contacts.
Usage recommendations: Always ensure that the contactor is installed in a clean, dry environment and protected from excessive dust or moisture. Periodically inspect the terminal connections to ensure they remain secure, especially in applications involving frequent switching cycles.

## FAQ

### How much does the Eaton CMUC230/25-40 Modular Contactor 25A 4NO cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 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/12447598/68750650_large.webp