# F&F LK-713 Y Three-Phase Power Indicator Light, Yellow, DIN Rail Mount

**URL:** https://aio.lv/en/product--ff-lk-713-y--12454972
**Data updated:** 2026-05-18 02:38 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** LK-713 Y
**EAN:** 5908312595618
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-lk-713-y--12454972

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The F&F LK-713 Y is a three-phase power indicator light designed for monitoring voltage presence in electrical circuits. Featuring a yellow LED indicator, this device is intended for mounting on a standard TH35 DIN rail. It provides clear visual feedback on the status of each phase in industrial or residential electrical distribution boards, ensuring reliable operation and easy system diagnostics.

## Long description

The F&F LK-713 Y is a professional three-phase power indicator light engineered to provide real-time visual monitoring of voltage presence across electrical circuits. Designed for seamless integration into industrial and residential electrical distribution boards, this device utilizes high-visibility yellow LED indicators to signal the status of each phase. Its compact design and standard mounting compatibility make it an essential component for maintaining system transparency and facilitating rapid diagnostics in complex electrical installations.
Advantages
This power indicator offers exceptional reliability by allowing users to instantly verify the presence of voltage on all three phases without the need for manual testing tools. The use of long-lasting LED technology ensures low power consumption and extended service life, reducing the need for frequent maintenance. Its standardized design for DIN rail mounting simplifies the installation process, allowing it to fit perfectly alongside other modular electrical equipment in standard distribution cabinets.
Suitable for
Monitoring three-phase power supply in residential distribution boards
Industrial automation and control panels
Electrical system diagnostics and troubleshooting
Verification of phase presence in commercial buildings
When it may not be suitable
This device is not designed to measure specific voltage values or display numerical data, so it is not suitable for applications requiring precise voltage monitoring or logging. It should not be used in environments where the operating temperature or humidity levels exceed the manufacturer's specified limits for electronic control equipment.
Key specifications
Phase monitoring: Three-phase
Indicator color: Yellow
Mounting type: TH35 DIN rail
Technology: LED
How to use
The device is designed for installation on a standard TH35 DIN rail within an electrical distribution board. Once mounted, the input terminals should be connected to the corresponding phases of the electrical supply. Upon energizing the circuit, the yellow LED indicators will illuminate to confirm that voltage is present on each respective phase. No additional configuration is required for operation.
What to consider before purchase
Ensure the distribution board has available space on a TH35 DIN rail
Verify that the supply voltage matches the device specifications
Confirm that the yellow light color meets your visual signaling requirements
Usage recommendations
Regularly inspect the indicator lights during routine electrical maintenance to ensure all phases are active and the LEDs are functioning correctly. Ensure that the electrical cabinet is properly grounded and that all connections are tightened according to local electrical safety standards.

## FAQ

### How much does the F&F LK-713 Y Three-Phase Power Indicator Light cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 09.07.2026 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/12454972/68757354_large.webp