# Buzzer unit PATLITE LR7-BK

**URL:** https://aio.lv/en/product--patlite-lr7-bk--3152084
**Data updated:** 2026-01-13 17:39 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** Patlite
**Manufacturer code:** LR7-BK
**EAN:** 4938766016286
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 36.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--patlite-lr7-bk--3152084

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The PATLITE LR7-BK is a black buzzer unit with a diameter of 7 cm and a weight of 70 g. It operates in temperatures from -20 to 50 °C and humidity levels of 0 to 90%. This unit is RoHS certified, ensuring it meets environmental standards. Ideal for various applications, it provides reliable sound signaling in industrial settings.

## Long description

The PATLITE LR7-BK is a compact black buzzer unit with a 7 cm diameter and a lightweight construction of approximately 70 g. Designed for audible signaling in industrial and commercial environments, this buzzer delivers clear sound output while remaining easy to install and integrate into control panels and machines. The unit is rated for operation in temperatures from -20 to 50 °C and humidity conditions up to 90%, and it complies with RoHS environmental standards.
Advantages
The LR7-BK offers a compact form factor and low weight that simplify mounting in confined spaces and retrofit projects. Its operating temperature and humidity range make it suitable for a wide range of indoor industrial applications. RoHS compliance ensures the device meets environmental restrictions on hazardous substances. The black finish provides a neutral aesthetic that blends with most equipment and control panels.
Suitable for
 Audible alerts on factory machinery and production lines
 Signal notification in control cabinets and operator stations
 Warning tones in logistics and material handling equipment
 General-purpose audible signaling in commercial installations
Key specifications
 Diameter: 7 cm
 Weight: 70 g (approx.)
 Color: Black
 Operating temperature range: -20 to 50 °C
 Operating humidity range: 0 to 90% RH
 Environmental standard: RoHS compliant
How to use
Mount the LR7-BK buzzer in a suitable panel cutout or bracket ensuring secure fixation and adequate ventilation. Connect the unit to the appropriate control output following the wiring diagram provided by the system manufacturer or Patlite documentation. Verify supply voltage and signal type before powering the device. After installation, test the buzzer operation with the intended control signals and adjust placement if necessary to achieve the desired audibility and coverage.
Usage recommendations
Install the buzzer where sound can propagate unobstructed and avoid enclosing it in sealed housings that may muffle output. For reliable long-term operation, keep the unit within specified temperature and humidity limits and inspect mounting and electrical connections periodically. When integrating the LR7-BK into safety or alarm systems, ensure it is used in accordance with applicable regulations and system design requirements.

## Specifications

| Feature | Value |
|---|---|
| Type | Buzzer unit |
| Weight | 0.07 kg |
| Certification | EC 60529, NEMA 4X, 13
UL 508, CSA-C22.2 No.14
FCC 15 B A
RoHS (EN 50581)
EMC (EN 61000-6-4, EN 61000-6-2)
KC (KN 61000-6-4, KN 61000-6-2) |
| Operating relative humidity (H-H) | 0 - 90 |
| Operating temperature (T-T) | -20 - 50 |
| Height | 53.5 mm |
| Product colour | Black |
| Diameter | 70 mm |
| International Protection (IP) code | IP65 |
| Brand compatibility | PATLITE |
| Quantity per pack | 1 pc(s) |
| Sustainability certificates | RoHS |

## FAQ

### How much does the Buzzer unit PATLITE LR7-BK cost, and is it available for purchase?

The price is 44.49 € (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 14.07.2026 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. 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 Patlite 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 Patlite 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/3152084/58261798_large.webp