# F&F AS-B24 Staircase Timer, 24V, 16A, DIN Rail Mount, 2 Modules, IP40

**URL:** https://aio.lv/en/product--ff-as-b24--12449061
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Smart Switches
**Manufacturer:** FF
**Manufacturer code:** AS-B24
**EAN:** 5908312592112
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The F&F AS-B24 is a reliable staircase timer designed for 24V systems with a 16A switching capacity. This device is mounted on a standard DIN rail and occupies 2 modules in the electrical cabinet. It features an IP40 protection rating, ensuring safe operation for lighting control in residential and commercial stairwells. The timer provides efficient energy management by automatically turning off lights after a preset time interval.

## Long description

The F&F AS-B24 is a professional-grade staircase timer engineered for 24V electrical systems, providing precise lighting control in various environments. Designed for efficiency and durability, this device manages lighting circuits with a 16A switching capacity, ensuring reliable operation for both residential and commercial stairwells. Its compact design allows for seamless integration into electrical cabinets, occupying only two modules on a standard DIN rail.
Advantages
This staircase timer offers significant energy savings by automatically deactivating lighting after a pre-configured time interval, which prevents unnecessary power consumption. The robust construction ensures long-term performance, while the 24V compatibility makes it an ideal choice for low-voltage lighting installations. Its DIN rail mounting system simplifies the installation process for electricians, and the IP40 protection rating provides a secure housing against solid objects, contributing to a safe and organized electrical infrastructure.
Suitable for
Residential stairwell lighting control
Commercial building corridor illumination
Low-voltage lighting systems in public facilities
Automated lighting management in multi-story buildings
When it may not be suitable
This device is specifically designed for 24V systems and cannot be used in standard 230V mains voltage circuits. It is also not suitable for outdoor environments where moisture or dust exposure exceeds the IP40 protection rating.
Key specifications
Supply voltage: 24V AC/DC
Maximum switching current: 16A
Mounting type: DIN rail (TH-35)
Width: 2 modules (35mm)
Protection rating: IP40
How to use
The timer should be installed by a qualified professional within an electrical distribution board on a standard DIN rail. Once mounted, the input and output wiring must be connected according to the provided wiring diagram, ensuring the 24V power supply is correctly matched. The desired time delay interval is set using the adjustment knob on the front panel, allowing the user to define how long the lights remain active after the trigger signal is received.
What to consider before purchase
Verify that your lighting system operates on 24V voltage
Ensure there is sufficient space for two modules in your electrical cabinet
Check that the total load of the connected lighting does not exceed the 16A limit
Usage recommendations
For optimal performance and safety, ensure all connections are tightened securely and the device is kept in a dry, indoor environment. Regularly inspect the electrical cabinet to ensure the timer remains free from dust accumulation.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 FF 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 FF 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/12449061/68751938_large.webp