# Eaton DMM-40/4 4-Pole Isolator Switch, 40A

**URL:** https://aio.lv/en/product--eaton-1314057--12459745
**Data updated:** 2026-05-18 09:38 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 1314057
**EAN:** 8711426325708
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 169.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 140.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-1314057--12459745

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Eaton DMM-40/4 is a high-quality 4-pole isolator switch designed for safe electrical circuit disconnection. Rated for 40A, this device ensures reliable performance in industrial and commercial power distribution systems. It provides a secure way to isolate equipment for maintenance or emergency shutdown, featuring a robust construction for long-term operational safety and efficiency in various electrical installations.

## Long description

The Eaton DMM-40/4 is a professional-grade 4-pole isolator switch engineered for the secure disconnection of electrical circuits. With a rated operational current of 40A, this device serves as a critical component in industrial and commercial power distribution networks, ensuring that equipment can be safely isolated during maintenance procedures or emergency situations. Its robust design and high-quality materials provide consistent performance and long-term reliability in demanding electrical environments.
Advantages
This isolator switch offers exceptional durability and operational safety, making it a dependable choice for complex electrical installations. The 4-pole configuration allows for the simultaneous disconnection of all phases and the neutral conductor, providing comprehensive isolation. Its compact yet sturdy construction facilitates easy integration into existing control panels and distribution boards, while the high-quality engineering ensures minimal power loss and resistance to mechanical wear over extended periods of use.
Suitable for
Industrial power distribution systems
Commercial building electrical installations
Emergency shutdown applications
Maintenance isolation for machinery and equipment
This device may not be suitable for applications requiring higher current ratings exceeding 40A or for environments with extreme environmental conditions that fall outside the specified operating temperature and ingress protection ratings of the unit. It is not intended for use as a motor starter or for frequent load-switching operations where a dedicated contactor would be more appropriate.
Key specifications
Number of poles: 4
Rated operational current: 40A
Function: Isolator switch
Application: Power distribution and safety disconnection
Installation should be performed by a qualified electrician in accordance with local electrical codes and safety regulations. The switch is typically mounted on a standard DIN rail or panel, depending on the specific enclosure requirements. Ensure that all terminal connections are tightened to the manufacturer's specified torque settings to prevent overheating and ensure a secure electrical contact before energizing the circuit.
What to consider before purchase
Verify that the 40A rating is sufficient for your specific load requirements
Ensure the 4-pole configuration matches your circuit topology
Check the physical dimensions to ensure compatibility with your existing enclosure
Confirm that the installation environment meets the technical requirements for this device
Always verify that the circuit is de-energized before performing any maintenance or installation work on the switch. Regularly inspect the terminals for signs of heat damage or loose connections to maintain optimal safety and performance.

## FAQ

### How much does the Eaton DMM-40/4 4-Pole Isolator Switch 40A cost, and is it available for purchase?

The price is 169.49 € (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 09.07.2026 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 DMM-40/4 4-Pole Isolator Switch 40A 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/12459745/68761776_large.webp