# Eaton CMUC24/25-40 Modular Contactor 25A 4NO 24V AC/DC

**URL:** https://aio.lv/en/product--eaton-137308--12469801
**Data updated:** 2026-05-18 09:38 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 137308
**EAN:** 4015081341801
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 74.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-137308--12469801

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Eaton CMUC24/25-40 is a high-quality modular contactor designed for reliable switching of electrical loads in residential and commercial installations. It features a 25A rated current, 4 normally open (NO) contacts, and operates on a 24V AC/DC control voltage. This compact device ensures efficient power management and is suitable for DIN-rail mounting, providing a robust solution for lighting, heating, and motor control applications.

## Long description

The Eaton CMUC24/25-40 is a high-performance modular contactor engineered for the precise switching of electrical loads within residential, commercial, and industrial environments. This device is specifically designed to handle a rated current of 25A and features four normally open (NO) contacts, making it a versatile component for complex electrical distribution systems. With a control voltage of 24V AC/DC, it offers flexibility in integration, ensuring reliable performance and efficient power management in various automated setups.
Advantages
This modular contactor stands out due to its robust construction and high operational reliability. Its compact design allows for space-saving installation on standard DIN rails, which simplifies the assembly process in electrical cabinets. The device is built to withstand frequent switching operations, providing long-term durability and consistent performance. By utilizing a 24V AC/DC control circuit, it enhances safety and compatibility with modern control systems, reducing the risk of electrical interference and ensuring seamless operation across diverse applications.
Suitable for
Lighting control systems in commercial buildings
Heating and ventilation equipment management
Small motor control applications
Residential electrical distribution boards
Automated switching tasks in industrial control panels
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 or corrosive atmospheres unless housed within an appropriate protective enclosure.
Key specifications
Rated operational current: 25A
Contact configuration: 4 normally open (NO) contacts
Control voltage: 24V AC/DC
Mounting type: DIN-rail
Design: Modular
How to use
The Eaton CMUC24/25-40 is designed for quick and secure mounting onto a standard 35mm DIN rail. Before installation, ensure that the power supply is disconnected to prevent electrical hazards. Connect the control wires to the A1 and A2 terminals, ensuring the voltage matches the 24V AC/DC specification. The load cables should be connected to the main power terminals according to the wiring diagram provided on the device housing. Once installed, verify all connections for tightness before restoring power to the system.
What to consider before purchase
Verify that the 24V AC/DC control voltage is compatible with your existing control system.
Ensure the 25A rated current is sufficient for the specific electrical load you intend to switch.
Check the available space in your distribution board for DIN-rail mounting.
Confirm that the four normally open contacts meet your circuit requirements.
Usage recommendations
Always ensure that the installation is performed by a qualified electrician in accordance with local electrical codes and safety regulations to prevent equipment damage or personal injury.

## FAQ

### How much does the Eaton CMUC24/25-40 Modular Contactor 25A 24V AC/DC cost, and is it available for purchase?

The price is 89.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 41 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 06.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Eaton CMUC24/25-40 Modular Contactor 25A 24V AC/DC be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/12469801/68772583_large.webp