# F&F BIS-411 2Z Impulse Relay 230V AC 8A 2NO

**URL:** https://aio.lv/en/product--ff-bis-411-2z--12465463
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Home Automation
**Manufacturer:** FF
**Manufacturer code:** BIS-411 2Z
**EAN:** 5908312594567
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-bis-411-2z--12465463

## 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-411 2Z is an impulse relay designed for 230V AC systems with an 8A load capacity. Featuring two normally open (2NO) contacts, this bistable relay allows for convenient lighting or device control from multiple points using momentary push-buttons. It is an essential component for modern electrical installations, providing reliable switching functionality for residential and commercial automation projects.

## Long description

The F&F BIS-411 2Z is a bistable impulse relay engineered for 230V AC electrical systems, offering a robust solution for controlling lighting and various electrical devices. By utilizing momentary push-buttons, this relay enables users to toggle circuits on and off from multiple locations, making it an ideal choice for complex wiring setups in both residential and commercial environments. The unit features two normally open (2NO) contacts, ensuring reliable performance and seamless integration into standard electrical distribution boards.
Advantages
This impulse relay provides significant flexibility in electrical installation design by allowing the control of a single load from an unlimited number of points using simple parallel-connected push-buttons. Its bistable mechanism ensures that the relay maintains its state even after the control signal is removed, which contributes to energy efficiency and operational stability. The compact design facilitates easy mounting on standard DIN rails, while the 8A load capacity is sufficient for most standard lighting circuits and small appliance control tasks.
Suitable for
Controlling lighting in hallways, staircases, and large rooms from multiple switches.
Managing electrical appliances from various locations within a building.
Modernizing existing electrical installations to support multi-point control.
Residential and commercial automation projects requiring reliable bistable switching.
When it may not be suitable
This relay is not designed for high-power industrial loads exceeding its 8A rating, and attempting to use it with such equipment may lead to contact damage or failure. Additionally, it is intended specifically for 230V AC systems and is not compatible with low-voltage DC control circuits or specialized dimming applications.
Key specifications
Supply voltage: 230V AC
Maximum load current: 8A
Contact configuration: 2 normally open (2NO) contacts
Mounting type: DIN rail
Control method: Momentary push-buttons
How to use
The F&F BIS-411 2Z is designed for installation within an electrical distribution cabinet on a standard DIN rail. Connect the phase and neutral wires to the supply terminals according to the wiring diagram provided on the device housing. The control circuit should be wired using momentary push-buttons connected in parallel to the control input. Each press of any connected button will toggle the state of the relay contacts, switching the connected load on or off.
What to consider before purchase
Ensure the total power consumption of the connected load does not exceed the 8A limit.
Verify that your existing wiring supports the use of momentary push-buttons.
Confirm that the installation space in your distribution board is sufficient for the relay dimensions.
Check that the supply voltage matches the 230V AC requirement.
Usage recommendations: For optimal longevity and safety, ensure all electrical connections are tightened securely during installation. It is recommended to use a qualified electrician for the setup to ensure compliance with local electrical codes and safety standards.

## FAQ

### How much does the Impulse Relay F&F BIS-411 2Z 230V AC 8A cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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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