# Eti-Polam E-NO Normally Open Contact Block 004771500

**URL:** https://aio.lv/en/product--eti-polam-004771500--12448495
**Data updated:** 2026-05-18 02:45 (EEST)
**Category:** Power Sockets
**Manufacturer:** Eti-Polam
**Manufacturer code:** 004771500
**EAN:** 3838895808732
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Eti-Polam E-NO (004771500) is a normally open (NO) contact block designed for integration with electrical switching equipment. This auxiliary contact ensures reliable signal transmission in control circuits. It is engineered for professional electrical installations, providing durability and precise operation for industrial or commercial automation systems.

## Long description

The Eti-Polam E-NO contact block is a high-quality auxiliary component designed for seamless integration with electrical switching equipment. As a normally open (NO) device, it serves as a critical element in control circuits, enabling reliable signal transmission and monitoring within various electrical systems. This contact block is engineered to meet the rigorous demands of professional electrical installations, ensuring consistent performance and durability in both industrial and commercial automation environments.
Advantages
This contact block offers exceptional reliability and precision, which are essential for maintaining the integrity of complex control circuits. Its robust construction ensures a long service life even under frequent switching operations, making it a dependable choice for demanding applications. The design facilitates quick and secure installation, allowing for efficient assembly in electrical panels and control cabinets. By providing a stable normally open connection, it helps in achieving accurate feedback and control logic in automated systems.
Suitable for
Industrial automation control panels
Commercial electrical distribution systems
Signal transmission in control circuits
Integration with compatible switching devices
When it may not be suitable
This contact block is specifically designed for use with compatible Eti-Polam switching equipment and may not be compatible with devices from other manufacturers. It is not intended for high-power load switching and should only be used within the specified electrical parameters for auxiliary control signals.
Key specifications
Contact type: Normally Open (NO)
Function: Auxiliary contact block
Application: Control circuit integration
Compatibility: Designed for specific Eti-Polam switching equipment
How to use
To install the Eti-Polam E-NO contact block, ensure that the main power supply to the electrical panel is disconnected to prevent accidental contact. Align the contact block with the mounting interface of the primary switching device and snap it into place according to the manufacturer's mechanical guidelines. Once securely attached, connect the control wiring to the terminals, ensuring that all connections are tightened to the recommended torque. After installation, verify the operation of the contact block by testing the control circuit before applying full power to the system.
What to consider before purchase
Verify compatibility with your existing switching equipment
Ensure the normally open configuration meets your circuit requirements
Check the physical space available in your control panel for additional auxiliary blocks
Usage recommendations
Always perform a functional test of the control circuit after installation to ensure the contact block triggers correctly. Regularly inspect the terminal connections during routine maintenance to prevent signal loss due to vibration or thermal expansion.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Eti-Polam 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 Eti-Polam 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

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