# Promet W0-NEF22WF Phase Presence Indicator

**URL:** https://aio.lv/en/product--promet-w0-nef22wf--12458898
**Data updated:** 2026-05-18 09:29 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Promet
**Manufacturer code:** W0-NEF22WF
**EAN:** 5900103161781
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-w0-nef22wf--12458898

## 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 Promet W0-NEF22WF is a reliable phase presence indicator designed for electrical distribution boards and control panels. This device provides clear visual monitoring of phase voltage, ensuring safety and operational efficiency in industrial and commercial electrical systems. It is engineered for easy installation and long-term performance in various power distribution applications.

## Long description

The Promet W0-NEF22WF Phase Presence Indicator is a precision-engineered device designed for the continuous monitoring of phase voltage in electrical distribution boards and industrial control panels. By providing immediate visual feedback, this indicator allows operators to verify the status of power supply lines at a glance, which is essential for maintaining safety and operational continuity in complex electrical systems.
Advantages
This phase presence indicator offers exceptional reliability and durability, making it an ideal choice for demanding industrial environments. Its compact design ensures seamless integration into standard control panels without requiring significant space. The device is built to provide clear, high-visibility signaling, which helps in quickly identifying potential power failures or phase imbalances, thereby reducing downtime and enhancing the overall safety of electrical maintenance procedures.
Suitable for
Electrical distribution boards
Industrial control panels
Power supply monitoring systems
Commercial electrical installations
When it may not be suitable
This device is not intended for use in high-voltage transmission lines or environments where the voltage exceeds the specified operating range. It is also not suitable for outdoor applications unless housed within a properly rated, weather-protected enclosure.
Key specifications
Function: Phase presence indication
Mounting type: Standard panel mount
Visual output: Clear phase status signaling
Application: Industrial and commercial power systems
How to use
The Promet W0-NEF22WF should be installed by a qualified electrician in accordance with local electrical codes. The device is mounted into a pre-cut hole on the panel door or enclosure. Once securely fastened, the input terminals are connected to the respective phase lines of the power distribution system. After installation, the indicator will automatically illuminate when voltage is detected, providing real-time status monitoring without the need for additional configuration.
What to consider before purchase
Ensure the device specifications match your system voltage requirements.
Verify the available space on your control panel for mounting.
Confirm that the installation environment meets the necessary safety standards.
Usage recommendations
Regularly inspect the indicator for any signs of physical damage or lens obstruction to ensure that the visual signal remains clearly visible at all times.

## FAQ

### How much does the Promet W0-NEF22WF Phase Presence Indicator cost, and is it available for purchase?

The price is 47.99 € (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 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 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/12458898/68761009_large.webp