# Garage door reed switch SATEL B-4S (metal) — magnetic contact sensor for control systems

**URL:** https://aio.lv/en/product--satel-b-4s--11020284
**Data updated:** 2026-03-07 18:13 (EET)
**Category:** Control Systems
**Manufacturer:** SATEL
**Manufacturer code:** B-4S
**EAN:** 5905033336254
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--satel-b-4s--11020284

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

SATEL B-4S is a metal-body reed switch designed as a magnetic contact sensor for garage door and gate control systems. The device provides a simple closed/open contact signal to security and automation panels, enabling position detection and end-of-travel monitoring. Suitable for indoor and sheltered outdoor installations where a compact, durable magnetic sensor is required.

## Long description

SATEL B-4S is a compact metal-body reed switch designed as a magnetic contact sensor for garage door and gate control systems. It provides a reliable closed/open contact signal to security and automation panels to detect door or gate position and to monitor end-of-travel. The metal housing increases mechanical durability and helps protect the sensor in sheltered outdoor or indoor installations where a small, robust magnetic sensor is required.
Advantages
The metal enclosure offers enhanced resistance to impact and mechanical wear compared with plastic housings while keeping a compact footprint for discreet installation. The reed contact provides a simple and low-power switching signal compatible with standard control and alarm panels. The device’s design supports straightforward mounting on garage doors, gates, or frames and ensures consistent position detection for automation and security applications.
Suitable for
Monitoring garage door open/closed position
Detecting gate end-of-travel for automatic gate systems
Integrating with alarm panels and access control systems
Indoor or sheltered outdoor installations where a compact magnetic sensor is needed
Key specifications
Sensor type: magnetic reed switch (normally open / normally closed contact depending on wiring)
Housing material: metal for enhanced mechanical protection
Signal output: simple dry contact suitable for control and security inputs
Mounting: surface-mountable compact design for doors, gates or frames
Environment: intended for indoor and sheltered outdoor use
How to use
Install the metal reed switch on the fixed frame and the magnet on the moving part (door or gate) according to alignment guidelines so the magnet actuates the reed contact at the desired end-of-travel position. Connect the switch’s dry contact leads to the appropriate input of the control, alarm, or automation panel following the panel manufacturer’s wiring diagram and electrical safety rules. Verify correct operation by moving the door or gate through its range and confirming the control panel registers open and closed states at the expected positions.
Usage recommendations
Place the sensor in a sheltered location protected from direct weather exposure where possible, and avoid mounting on parts subject to heavy mechanical interference. Use corrosion-resistant mounting hardware and route wiring to minimise exposure to moisture and mechanical abrasion. Test contact operation periodically as part of routine maintenance for gate and garage door control systems.

## FAQ

### How much does the SATEL B-4S metal reed switch cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 03.07.2026 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 SATEL 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 SATEL 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/11020284/61674818_large.webp