# Promet Auxiliary Contact 2NO for Rear Wall Mounting

**URL:** https://aio.lv/en/product--promet-w0-lef-2xwkrety--12468920
**Data updated:** 2026-05-18 09:32 (EEST)
**Category:** Computer Component Accessories
**Manufacturer:** Promet
**Manufacturer code:** W0-ŁEF-2X+WKRĘTY
**EAN:** 5900103031374
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.99 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 18.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-w0-lef-2xwkrety--12468920

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

The Promet auxiliary contact 2NO is designed for rear wall mounting, providing reliable switching functionality for electrical control systems. This component features two normally open contacts and is engineered for seamless integration with compatible electrical enclosures. It is an essential accessory for expanding the switching capabilities of industrial equipment and control panels.

## Long description

The Promet auxiliary contact 2NO for rear wall mounting is a high-quality electrical component designed to enhance the switching capabilities of industrial control systems and electrical panels. This device provides two normally open (2NO) contacts, ensuring reliable signal transmission and control functionality within your electrical infrastructure. Engineered for precision and durability, it is specifically designed for secure rear wall installation, allowing for a clean and organized layout within enclosures.
Advantages
This auxiliary contact offers exceptional reliability and seamless integration with compatible electrical equipment. Its robust construction ensures long-term performance even in demanding industrial environments. By providing two normally open contacts, it allows for flexible configuration of control circuits, making it an ideal solution for expanding the operational capacity of existing control panels without requiring extensive modifications.
Suitable for
Industrial control panels
Electrical switching systems
Automation equipment
Power distribution enclosures
When it may not be suitable
This component is not intended for high-voltage power switching applications or circuits exceeding its rated electrical specifications. It is also not suitable for environments requiring specialized ingress protection ratings beyond standard industrial enclosure levels.
Key specifications
Contact configuration: 2 Normally Open (2NO)
Mounting type: Rear wall mounting
Compatibility: Designed for integration with standard electrical enclosures
Application: Industrial control and signaling
How to use
To install the Promet auxiliary contact, ensure that the main power supply to the control panel is disconnected to prevent electrical hazards. Secure the unit to the rear wall of the enclosure using the provided mounting hardware. Once physically mounted, connect the control wires to the designated terminals according to your circuit diagram. Verify that all connections are tight and secure before restoring power and testing the switching functionality.
What to consider before purchase
Verify compatibility with your existing control panel or switchgear
Ensure the rear wall mounting space is sufficient for installation
Check that the 2NO contact configuration meets your specific circuit requirements
Usage recommendations
Always perform a continuity test after installation to ensure the contacts operate correctly. Regularly inspect the terminal connections during routine maintenance to prevent loose wiring due to vibration.

## FAQ

### How much does the Promet Auxiliary Contact 2NO Rear Wall Mount cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 21.07.2026 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 Promet 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 Promet 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/12468920/68771575_large.webp