# F&F BIS-409 Bistable Relay 2Z 8A 230V AC

**URL:** https://aio.lv/en/product--ff-bis-409--12449152
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Home Automation
**Manufacturer:** FF
**Manufacturer code:** BIS-409
**EAN:** 5908312598398
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-bis-409--12449152

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The F&F BIS-409 is a bistable relay designed for impulse-based lighting and electrical circuit control. Featuring two normally open (2Z) contacts with an 8A capacity, it operates on a 230V AC supply. This relay allows for convenient switching of loads from multiple locations using momentary push-buttons, making it an ideal solution for residential and commercial automation systems requiring reliable pulse-triggered switching.

## Long description

The F&F BIS-409 is a high-quality bistable relay engineered for the efficient control of lighting and electrical circuits through impulse signals. Operating on a 230V AC power supply, this device utilizes two normally open (2Z) contacts with an 8A capacity, providing a robust solution for managing electrical loads. By allowing users to toggle circuits from multiple locations using simple momentary push-buttons, it simplifies complex wiring requirements in both residential and commercial environments.
Advantages
The primary benefit of the F&F BIS-409 is its ability to facilitate multi-point control, which significantly enhances convenience in hallways, staircases, and large rooms. Its bistable design ensures that the relay maintains its state even after the control pulse is removed, contributing to energy efficiency and operational reliability. The compact construction allows for easy installation in standard electrical enclosures, while the dual-contact configuration provides flexibility for managing two independent circuits or higher load requirements simultaneously.
Suitable for
Lighting control in staircases and corridors
Multi-point switching of electrical appliances
Residential home automation systems
Commercial building lighting management
When it may not be suitable
This relay is not intended for use with DC power supplies or low-voltage control circuits, as it is specifically designed for 230V AC operation. It is also not suitable for applications requiring dimming functionality or complex timing sequences beyond simple on-off switching.
Key specifications
Supply voltage: 230V AC
Contact configuration: 2 x normally open (2Z)
Maximum current capacity: 8A
Control method: Impulse-based via momentary push-buttons
How to use
Installation should be performed by a qualified professional in accordance with local electrical regulations. The relay is typically mounted on a standard DIN rail within a distribution board. Connect the phase and neutral wires to the supply terminals and wire the momentary push-buttons in parallel to the control input. Once installed, a single press of any connected push-button will toggle the state of the relay contacts, turning the connected load on or off.
What to consider before purchase
Ensure the total load of the connected devices does not exceed the 8A limit per contact.
Verify that your existing wiring supports the use of momentary push-buttons.
Confirm that the installation space is compatible with standard DIN rail mounting.
Usage recommendations
For optimal performance and longevity, ensure that the relay is protected by an appropriate circuit breaker and avoid exceeding the rated current capacity to prevent contact wear.

## FAQ

### How much does the F&F BIS-409 Bistable Relay 2Z 8A 230V AC cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 16.07.2026 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 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

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