# Promet Emergency Stop Button 30mm 0NO 2NC W0-NEF30-UDR 2Y C

**URL:** https://aio.lv/en/product--promet-w0-nef30-udr-2y-c--12445583
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Control Systems
**Manufacturer:** Promet
**Manufacturer code:** W0-NEF30-UDR 2Y C
**EAN:** 5900103120191
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 62.99 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 52.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-w0-nef30-udr-2y-c--12445583

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The Promet W0-NEF30-UDR 2Y C is a 30mm emergency stop button designed for industrial control panels and safety systems. It features a 0NO (normally open) and 2NC (normally closed) contact configuration. This robust safety switch ensures reliable operation in critical situations, providing an immediate manual shutdown mechanism for machinery and electrical equipment in various industrial environments.

## Long description

The Promet Emergency Stop Button 30mm 0NO 2NC is a high-quality safety component engineered for industrial control panels and critical safety systems. This device provides a reliable manual shutdown mechanism, ensuring that machinery and electrical equipment can be deactivated instantly during emergencies. Built for durability and precision, it serves as a vital link in maintaining workplace safety standards across various industrial sectors.
Advantages
This emergency stop button is characterized by its robust construction, which allows it to withstand demanding industrial environments. The inclusion of a 2NC contact configuration ensures a high level of safety redundancy, while the 30mm mounting diameter makes it compatible with standard control panel cutouts. Its intuitive design allows for rapid activation, minimizing response time when immediate intervention is required to prevent accidents or equipment damage.
Suitable for
Industrial machinery control panels
Emergency shutdown systems for production lines
Safety circuits in electrical distribution boards
Automation and robotics safety interfaces
When it may not be suitable
This device is not intended for use in environments where specialized explosion-proof or intrinsically safe equipment is required by local regulations. It is also not suitable for outdoor applications without an appropriate protective enclosure to prevent moisture and dust ingress.
Key specifications
Mounting diameter: 30mm
Contact configuration: 0NO (normally open) and 2NC (normally closed)
Function: Manual emergency shutdown
Application: Industrial control and safety systems
How to use
The button should be installed by a qualified technician into a standard 30mm panel cutout. Ensure that the wiring is connected securely to the 2NC and 0NO terminals according to the electrical schematic of your safety circuit. Once installed, the button is activated by pressing the head, which locks the mechanism in the stop position. To reset the system, the button must be manually released, typically by turning the actuator as indicated on the device.
What to consider before purchase
Verify that the 30mm mounting size matches your existing control panel layout.
Ensure the 0NO/2NC contact configuration meets the requirements of your safety relay or PLC input.
Confirm that the environmental conditions of the installation site are compatible with the device's protection rating.
Usage recommendations
Regularly test the functionality of the emergency stop button during scheduled maintenance to ensure the contacts operate correctly and the mechanical latching mechanism remains responsive.

## FAQ

### How much does the Promet Emergency Stop Button W0-NEF30-UDR 2Y C cost, and is it available for purchase?

The price is 62.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 24.07.2026 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

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