# Promet W0-NEF30-K Y C 30mm Red Push Button Switch with Spring Return

**URL:** https://aio.lv/en/product--promet-w0-nef30-k-y-c--12458887
**Data updated:** 2026-05-18 09:29 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Promet
**Manufacturer code:** W0-NEF30-K Y C
**EAN:** 5900103063863
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-w0-nef30-k-y-c--12458887

## 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-K Y C is a 30mm diameter red push button switch designed for industrial control panels. It features a spring return mechanism for momentary operation, ensuring reliable performance in automation and electrical control systems. This robust component is built for standard mounting, providing a clear visual signal and tactile feedback for machine operation and process control.

## Long description

The Promet W0-NEF30-K Y C is a high-quality 30mm red push button switch engineered for demanding industrial control environments. This momentary switch features a reliable spring return mechanism, which ensures that the button automatically returns to its initial position after being pressed. Designed for integration into control panels and automation systems, it provides clear visual identification and consistent tactile feedback, making it an essential component for safe and efficient machine operation.
Advantages
This push button switch stands out due to its robust construction, which is specifically designed to withstand the rigors of daily industrial use. The 30mm diameter allows for easy installation and operation, even when wearing protective gloves. Its spring return functionality simplifies control logic by providing a momentary signal, which is ideal for start, stop, or reset operations. The vibrant red color ensures high visibility, contributing to better workplace safety and faster operator response times in critical situations.
Suitable for
Industrial control panels and automation systems
Machine start and stop sequences
Emergency reset functions
Process control interfaces
Electrical equipment monitoring
When it may not be suitable
This switch is not suitable for applications requiring a maintained or latching contact, where the button must stay in the pressed position until manually released. It is also not intended for use in environments with extreme chemical exposure or high-pressure washdown conditions unless protected by an appropriate enclosure.
Key specifications
Mounting diameter: 30mm
Operation type: Momentary with spring return
Color: Red
Application: Industrial control panels
How to use
To install the switch, insert the unit into a standard 30mm panel cutout and secure it using the provided mounting hardware. Ensure that the electrical connections are made according to the wiring diagram of your specific control system. Once installed, the switch is operated by pressing the red button to trigger the momentary contact. Upon release, the internal spring mechanism will automatically return the button to its original state.
What to consider before purchase
Verify that your control panel has a 30mm mounting hole available.
Confirm that your application requires a momentary contact rather than a latching one.
Ensure the electrical ratings of the switch are compatible with your control circuit.
Usage recommendations
For optimal longevity and performance, ensure the switch is kept free of excessive dust and debris. Regularly inspect the electrical connections to ensure they remain tight and free from oxidation.

## FAQ

### How much does the Promet W0-NEF30-K Y C 30mm Red Push Button Switch cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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

https://aio.lv/img/cache/product/12458887/68760998_large.webp