# Switch Karlik JUNIOR 12WHE-4 bell momentary, black

**URL:** https://aio.lv/en/product--karlik-12whe-4--12257883
**Data updated:** 2026-05-15 10:43 (EEST)
**Category:** Smart Switches
**Manufacturer:** Karlik
**Manufacturer code:** 12WHE-4
**EAN:** 5903672005920
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 6.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--karlik-12whe-4--12257883

## 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

Karlik JUNIOR 12WHE-4 is a momentary (bell) switch designed for doorbell circuits and short-term switching applications. It features a normally-open contact suitable for bell or chime systems, in a black finish. The compact module fits standard mounting frames and is intended for residential and light commercial use.

## Long description

The Karlik JUNIOR 12WHE-4 is a high-quality momentary switch, specifically engineered for doorbell and chime activation systems. Featuring a sleek black finish, this switch is designed to integrate seamlessly into modern residential and light commercial interiors. It operates as a normally-open contact, ensuring that the circuit is only closed while the button is physically pressed, making it the ideal choice for signaling applications.
Advantages
This switch offers reliable performance and durability, thanks to the robust construction characteristic of the Karlik JUNIOR series. Its compact design allows for easy installation in standard wall boxes, providing a clean and professional look. The momentary action is precise and responsive, ensuring consistent operation every time the bell is triggered. Furthermore, the black aesthetic provides a sophisticated contrast for various interior design styles, maintaining functionality without compromising on visual appeal.
Suitable for
Doorbell and chime activation systems
Short-term signal switching
Residential entryways
Light commercial signaling applications
When it may not be suitable
This switch is not intended for controlling lighting circuits or appliances that require a maintained (latching) state, as it will only conduct electricity while being held down. It is also not suitable for outdoor environments without appropriate protective enclosures, as it is designed for indoor use.
Key specifications
Type: Momentary (bell) switch
Contact configuration: Normally-open (NO)
Color: Black
Mounting: Standard flush-mount
Application: Indoor
How to use
Installation should be performed by a qualified professional to ensure safety and compliance with electrical standards. The switch is designed to be installed into a standard wall-mounted electrical box. Once the wiring is connected to the terminals, the module is secured into the frame. When the button is pressed, the internal contact closes to complete the circuit, triggering the connected bell or chime. Releasing the button immediately breaks the circuit.
What to consider before purchase
Verify that your existing doorbell system requires a normally-open momentary switch.
Ensure the switch is compatible with your current wall frame system.
Confirm that the installation location is indoors and protected from moisture.
Usage recommendations
For optimal longevity and safety, ensure that the electrical load connected to the switch does not exceed the manufacturer's specified ratings. Regularly inspect the switch for any signs of physical damage or loose wiring to maintain consistent performance.

## FAQ

### How much does the Karlik JUNIOR 12WHE-4 bell momentary switch cost, and is it available for purchase?

The price is 7.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 21 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 Karlik 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 Karlik 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/12257883/68168887_large.webp