# Promet NEF30-B2X2Y Rotary Switch 0-1 with Key, 2NO 2NC

**URL:** https://aio.lv/en/product--promet-w0-nef30-b-2x2y--12445585
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Power Sockets
**Manufacturer:** Promet
**Manufacturer code:** W0-NEF30-B 2X2Y
**EAN:** 5900103033705
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 87.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 72.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--promet-w0-nef30-b-2x2y--12445585

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Promet NEF30-B2X2Y is a robust 0-1 rotary switch equipped with a key-operated mechanism for enhanced security and control. Featuring a 2NO (normally open) and 2NC (normally closed) contact configuration, this switch is designed for reliable industrial electrical circuit management. Its durable construction ensures long-term performance in various control panel applications, providing a secure way to toggle power states.

## Long description

The Promet NEF30-B2X2Y is a high-quality rotary switch designed for secure electrical circuit control. Featuring a 0-1 operation mode, this device is equipped with a key-operated mechanism that prevents unauthorized access, making it an ideal solution for industrial environments where safety and controlled operation are paramount. The switch is built with a 2NO and 2NC contact configuration, ensuring versatile integration into various control systems and panels.
Advantages
This rotary switch offers exceptional durability and reliability, thanks to its robust construction designed for demanding industrial conditions. The inclusion of a key lock provides a significant security advantage, ensuring that only authorized personnel can toggle the power state of the connected equipment. Its standard contact configuration allows for seamless compatibility with a wide range of electrical control circuits, facilitating straightforward installation and maintenance in professional settings.
Suitable for
Industrial control panels
Machinery power management
Secure access control systems
Electrical distribution boards
Equipment maintenance lockout procedures
When it may not be suitable
This switch is not intended for high-voltage power distribution or applications requiring frequent, high-speed switching cycles. It is also not suitable for outdoor environments without an additional protective enclosure, as it is designed primarily for panel-mounted indoor use.
Key specifications
Operation: 0-1 rotary switch
Contact configuration: 2NO (normally open) and 2NC (normally closed)
Mechanism: Key-operated for security
Mounting: Panel mount
Application: Industrial electrical control
How to use
To operate the switch, insert the provided key into the lock cylinder and turn it to the desired position. The 0 position represents the off state, while the 1 position engages the circuit. The key can typically be removed in specific positions to lock the switch in place, preventing accidental or unauthorized changes to the power state. Ensure that the wiring is performed by a qualified professional according to the electrical diagram of your control system.
What to consider before purchase
Verify the contact requirements of your specific control circuit
Ensure the panel cutout dimensions match the switch specifications
Confirm that the key-lock security level meets your facility requirements
Check the environmental conditions of the installation site
Usage recommendations
Always ensure the power supply is disconnected before installing or wiring the switch. Regularly inspect the key mechanism and contacts to ensure smooth operation and prevent dust accumulation in industrial environments.

## FAQ

### How much does the Promet NEF30-B2X2Y Rotary Switch with Key cost, and is it available for purchase?

The price is 87.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 16.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Promet NEF30-B2X2Y Rotary Switch with Key be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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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