# KOOP Elektro IS40-3-40 Modular Contactor 40A 4NO 230V 3-Phase

**URL:** https://aio.lv/en/product--koop-elektro-is40-3-40--12468793
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Power Sockets
**Manufacturer:** KOOP Elektro
**Manufacturer code:** IS40-3-40
**EAN:** 4260704861673
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--koop-elektro-is40-3-40--12468793

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The KOOP Elektro IS40-3-40 is a high-quality modular contactor designed for reliable electrical circuit switching. Featuring a 40A current rating, 4 normally open (4NO) contacts, and a 230V control voltage, this 3-phase device is ideal for industrial and residential automation systems. Its modular design ensures easy installation on standard DIN rails, providing efficient control for lighting, heating, and motor applications.

## Long description

The KOOP Elektro IS40-3-40 is a professional-grade modular contactor engineered for the efficient switching of electrical circuits in both residential and industrial environments. This 3-phase device is built to handle demanding electrical loads with a rated current of 40A, ensuring stable performance and longevity in automation systems. Its compact modular architecture allows for seamless integration into electrical distribution boards, making it a versatile component for modern power management.
Advantages
This modular contactor offers exceptional reliability due to its robust construction and high-quality internal components. The 4 normally open (4NO) contact configuration provides flexibility for various switching requirements, while the 230V control voltage ensures compatibility with standard control circuits. The device is designed for quick and secure mounting on standard DIN rails, which significantly reduces installation time and simplifies maintenance procedures for electrical professionals.
Suitable for
Industrial automation and control systems
Residential lighting control circuits
Heating and ventilation systems
Motor control applications
Power distribution management
When it may not be suitable
This device is not intended for use in circuits exceeding its 40A current rating or for applications requiring a different control voltage than 230V. It is also not suitable for environments with extreme moisture or corrosive gases unless housed in an appropriate protective enclosure.
Key specifications
Rated current: 40A
Contact configuration: 4 normally open (4NO)
Control voltage: 230V
Phase: 3-phase
Mounting type: DIN rail
How to use
The contactor should be installed by a qualified electrician in accordance with local electrical regulations. Mount the unit onto a standard DIN rail within a distribution cabinet. Connect the power supply lines to the main terminals and the control signal wires to the coil terminals. Ensure all connections are tightened to the specified torque to prevent overheating. Once installed, the device operates automatically based on the control signal applied to the coil.
What to consider before purchase
Verify that the 40A current rating meets your specific load requirements.
Ensure your control system provides a 230V signal.
Check the available space on your DIN rail within the distribution board.
Confirm that the 4NO contact configuration aligns with your circuit design.
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the device is free from dust accumulation to maintain optimal performance and prevent potential electrical faults.

## FAQ

### How much does the KOOP Elektro IS40-3-40 Modular Contactor 40A cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 14.07.2026 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 KOOP Elektro 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 KOOP Elektro 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/12468793/68771424_large.webp