# FF BIS-411B-LED Bistable Relay for DIN Rail with Manual Control and 160A Inrush Current Protection

**URL:** https://aio.lv/en/product--ff-bis-411b-led--12464968
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Control Systems
**Manufacturer:** FF
**Manufacturer code:** BIS-411B-LED
**EAN:** 5902431674049
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 26.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-bis-411b-led--12464968

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The FF BIS-411B-LED is a bistable relay designed for DIN rail mounting, featuring integrated manual control and a specialized relay capable of handling 160A/20ms inrush currents. This device is ideal for lighting control systems, particularly those using LED technology, ensuring reliable switching and protection against high current surges. It provides a robust solution for residential and industrial electrical installations requiring efficient remote and local load management.

## Long description

The FF BIS-411B-LED is a high-performance bistable relay engineered for reliable lighting control in residential and industrial electrical systems. Designed for standard DIN rail mounting, this device allows for efficient switching of electrical circuits through both remote push-button signals and integrated manual control. It is specifically optimized to handle the high inrush currents typical of modern LED lighting, providing robust protection against surges up to 160A/20ms.
Advantages
The primary advantage of this bistable relay is its specialized relay contact, which is built to withstand the significant current spikes generated by LED drivers and energy-efficient light sources. By incorporating manual control directly on the device, users gain the flexibility to override automated systems during maintenance or testing. The DIN rail mounting design ensures seamless integration into standard electrical distribution boards, while the bistable mechanism ensures that the relay maintains its state without continuous power consumption, contributing to energy efficiency in complex lighting installations.
Suitable for
Residential lighting control systems
Industrial facility lighting management
LED lighting circuits with high inrush current requirements
Remote switching of electrical loads via push-buttons
When it may not be suitable
This relay is not intended for switching inductive loads that exceed its rated capacity or for applications requiring continuous high-power motor control. It is also not suitable for environments where the ambient temperature or humidity levels fall outside the manufacturer's specified operating range.
Key specifications
Mounting type: DIN rail (TH-35)
Inrush current capacity: 160A/20ms
Control method: Remote push-button and manual override
Application: LED lighting and general electrical loads
How to use
The device should be installed by a qualified electrician onto a standard DIN rail within an electrical enclosure. Connect the power supply, the load, and the control push-buttons according to the wiring diagram provided with the unit. Once installed, the relay can be toggled by sending a pulse signal from a momentary push-button or by using the manual control button located on the front panel of the device.
What to consider before purchase
Verify that the total load of your lighting circuit does not exceed the relay's maximum switching capacity.
Ensure that your electrical panel has sufficient space on the DIN rail for the device.
Confirm that the control voltage matches your existing push-button circuit.
Usage recommendations: For optimal performance and longevity, ensure all electrical connections are tightened securely and that the device is protected from moisture and dust within a suitable distribution box.

## FAQ

### How much does the FF BIS-411B-LED Bistable Relay for DIN Rail cost, and is it available for purchase?

The price is 31.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 07.07.2026 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

https://aio.lv/img/cache/product/12464968/68766582_large.webp