# Door contact sensor No name KN-CA55L — wired magnetic reed switch, surface-mount

**URL:** https://aio.lv/en/product--no-name-kn-ca55l--11959682
**Data updated:** 2026-03-11 13:59 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** No name
**Manufacturer code:** KN-CA55L
**EAN:** 5902887044236
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 7.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--no-name-kn-ca55l--11959682

## 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

KN-CA55L is a wired door contact sensor (magnetic reed switch) by No name, model KN-CA55L. Designed for surface mounting on doors or windows, it provides a simple open/closed signal for alarm panels and access control systems. The sensor pair includes a contact unit and a magnet; it is suitable for perimeter intrusion detection and status monitoring in residential and commercial installations.

## Long description

KN-CA55L is a wired door contact sensor by No name, a surface-mount magnetic reed switch designed to detect the open or closed state of doors and windows. The sensor consists of a contact unit and a magnet, providing a reliable binary signal for alarm panels and access control systems in both residential and commercial installations. Its compact surface-mounted design simplifies installation where recessed mounting is not practical.
Advantages
The KN-CA55L offers straightforward wired connectivity and a simple magnetic reed mechanism that yields a clear open/closed signal without the need for batteries. Its surface-mount format reduces installation complexity and allows use on a wide range of door and window frames. The paired contact and magnet arrangement ensures durable operation for perimeter intrusion detection and status monitoring when integrated with standard alarm or access control equipment.
Suitable for
 Perimeter intrusion detection on doors and windows
 Status monitoring for alarm panels and security systems
 Access control door state sensing
 Residential and small commercial security installations
Key specifications
 Type: Wired magnetic reed switch (surface-mount)
 Configuration: Two-part sensor — contact unit and magnet
 Output: Binary open/closed contact signal compatible with alarm panels and access control inputs
 Mounting: Surface mounting suitable for doors and windows
 Application: Perimeter detection and door/window status monitoring
How to use
Mount the contact unit on the fixed frame and the magnet on the moving part of the door or window so that they align when the door/window is closed. Connect the sensor wires to the corresponding input on the alarm panel or access control unit following the control system manufacturer’s wiring diagram. Verify alignment and operation by opening and closing the door or window while observing the controller’s status indicator or input monitoring. Ensure wire routing and connections are secure and protected from mechanical damage.
Usage recommendations
Place the sensor pair where the contact and magnet can align closely when closed and maintain at least the recommended gap specified by the control system documentation. For reliable long-term operation, avoid mounting on surfaces subject to heavy impact or frequent moisture exposure, and secure wiring to prevent strain or cuts.

## FAQ

### How much does the Door contact sensor No name KN-CA55L cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 No name 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 No name 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/11959682/67405076_large.webp