# F&F BIS-411M-24V Bistable Relay 1P 16A 24V AC/DC with Memory

**URL:** https://aio.lv/en/product--ff-bis-411m-24v--12466498
**Data updated:** 2026-05-18 09:41 (EEST)
**Category:** Control Systems
**Manufacturer:** FF
**Manufacturer code:** BIS-411M-24V
**EAN:** 5902431671482
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The F&F BIS-411M-24V is a 1P bistable relay designed for 24V AC/DC control circuits. Featuring a 16A contact rating and integrated memory, this impulse relay allows for reliable lighting or device control via momentary push-buttons. It maintains its switching state even after power loss, making it an efficient solution for industrial and residential electrical installations requiring sequential or remote switching functionality.

## Long description

The F&F BIS-411M-24V is a high-quality 1P bistable relay engineered for 24V AC/DC control circuits. This impulse relay enables efficient lighting and device management through the use of momentary push-buttons, providing a reliable solution for both residential and industrial electrical systems. With its integrated memory function, the device ensures that the switching state is preserved even after a power failure, allowing for seamless operation upon power restoration.
Advantages
The primary benefit of this bistable relay is its robust memory capability, which eliminates the need to reset the system manually after power interruptions. Its 16A contact rating makes it suitable for handling significant electrical loads, while the 24V AC/DC compatibility offers flexibility in various control environments. The design facilitates simple installation and reliable performance, reducing the complexity of wiring for remote or multi-point switching applications.
Suitable for
Lighting control systems in residential buildings
Industrial automation and machinery control
Multi-point switching setups using momentary push-buttons
Sequential control of electrical devices
This relay may not be suitable for high-voltage AC mains circuits, as it is specifically designed for 24V control systems. It is also not intended for applications requiring high-frequency switching or complex logic programming beyond simple bistable impulse control.
Key specifications
Contact configuration: 1P (Single Pole)
Maximum contact current: 16A
Control voltage: 24V AC/DC
Memory function: Included
Mounting type: Standard electrical installation
To use the BIS-411M-24V, connect the control circuit to the relay terminals using momentary push-buttons. Each press of the button will toggle the relay state between on and off. Ensure that the power supply matches the 24V AC/DC specification before making any electrical connections to prevent damage to the device or the connected load.
What to consider before purchase
Verify that your control circuit operates at 24V AC/DC
Ensure the connected load does not exceed the 16A rating
Confirm that the installation space is suitable for the relay dimensions
For optimal performance and safety, ensure that all electrical connections are tightened securely and that the relay is installed in a dry, protected environment. Always consult a qualified electrician if you are unsure about the wiring requirements for your specific installation.

## FAQ

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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

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