# FF LK-BZ-703Y 3-Phase Modular LED Indicator Light with Protection, Yellow, 230V

**URL:** https://aio.lv/en/product--ff-lk-bz-703y--12452105
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** LK-BZ-703Y
**EAN:** 5902431677583
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The FF LK-BZ-703Y is a 3-phase modular LED indicator light designed for DIN rail mounting. Featuring a yellow light signal, this device operates at 230V and includes built-in protection to ensure reliable status monitoring in electrical distribution boards. It is an essential component for industrial and residential electrical systems, providing clear visual feedback on the presence of voltage across three phases.

## Long description

The FF LK-BZ-703Y is a high-quality 3-phase modular LED indicator light engineered for precise voltage monitoring in electrical distribution boards. Designed for standard DIN rail mounting, this device provides immediate visual confirmation of power presence across three separate phases. With its integrated protection features and bright yellow LED signal, it serves as a reliable diagnostic tool for maintaining system safety and operational transparency in both residential and industrial electrical installations.
Advantages
This modular indicator light offers exceptional durability and energy efficiency due to its advanced LED technology, which ensures a long service life and minimal power consumption. The compact design allows for seamless integration into standard electrical cabinets without occupying excessive space. Furthermore, the built-in protection mechanism enhances the safety of the monitoring circuit, providing peace of mind during continuous operation. The clear yellow light output is easily visible even in low-light conditions, ensuring that phase status can be checked quickly and accurately.
Suitable for
Monitoring voltage presence in 3-phase electrical distribution boards
Industrial automation and control panels
Residential electrical system diagnostics
Electrical maintenance and troubleshooting tasks
When it may not be suitable
This device is specifically designed for 230V AC systems and should not be used in DC circuits or high-voltage installations exceeding its rated specifications. It is not intended for outdoor use unless housed in an appropriately rated, weather-protected enclosure.
Key specifications
Voltage rating: 230V AC
Phase configuration: 3-phase
Mounting type: DIN rail
Indicator color: Yellow
Technology: LED
How to use
The device is designed for installation on a standard 35mm DIN rail within an electrical distribution board. Ensure that the main power supply is disconnected before beginning the installation process. Connect the phase wires to the corresponding terminals on the device according to the wiring diagram provided on the housing. Once securely mounted and wired, restore power to the system. The yellow LED indicators will illuminate to confirm that voltage is present on each respective phase.
What to consider before purchase
Verify that your electrical system operates at the required 230V voltage level
Ensure there is sufficient space on the DIN rail within your distribution board
Confirm that the yellow light color meets your specific visual signaling requirements
Usage recommendations
Always ensure that the installation is performed by a qualified electrician in accordance with local electrical safety regulations to prevent damage to the device or the electrical system.

## 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

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