# Smart relay Shelly Wave PRO 3 — black, plastic housing, 110–240 V AC, 50–60 Hz, 0.3 W, 53×59×96 mm

**URL:** https://aio.lv/en/product--shelly-shellywpro3--11073042
**Data updated:** 2026-01-14 13:08 (EET)
**Category:** Home Goods Accessories
**Manufacturer:** Shelly
**Manufacturer code:** Shelly\_W\_Pro\_3
**EAN:** 3800235269336
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 85.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--shelly-shellywpro3--11073042

## 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

Shelly Wave PRO 3 is a compact smart relay in a black plastic housing designed for AC mains control. It operates at 110–240 V AC and 50–60 Hz with typical power consumption of 0.3 W. Dimensions are 53×59×96 mm and weight 150 g. Use it to switch and automate lighting, appliances or circuits where remote control and integration into smart home systems are required.

## Long description

Shelly Wave PRO 3 is a compact smart relay in a black plastic housing designed for direct integration with AC mains systems. It accepts 110–240 V AC at 50–60 Hz and consumes approximately 0.3 W in standby. With dimensions of 53×59×96 mm and a lightweight construction, the device fits into junction boxes or mounting locations where space is limited and enables remote switching and automation of lighting, appliances or electrical circuits within a smart home or building control setup.
Advantages
The device provides reliable remote control and automation while keeping a small physical footprint suitable for hidden installation. Its universal AC input range supports common mains voltages, and the low standby power reduces idle energy consumption. The plastic housing offers electrical insulation and simplifies installation in dry indoor environments. Integration with common smart-home systems and the ability to switch loads make the relay a versatile component for retrofit and new installations.
Suitable for
Switching and automating indoor lighting circuits
Remote control of household appliances and small motors
Integration into home automation systems for scene or schedule control
Use in tight installation spaces such as junction boxes or behind switches
Key specifications
Operating voltage: 110–240 V AC
Frequency: 50–60 Hz
Typical standby power consumption: 0.3 W
Housing material: plastic (black)
Dimensions: 53 × 59 × 96 mm
Weight: 150 g
How to use
Install the relay in accordance with local electrical codes and the device wiring diagram, placing it in a dry indoor location such as a junction box or mounting cavity. Connect mains supply and load conductors to the corresponding terminals, ensuring power is disconnected during installation. After wiring, restore power and proceed with network configuration and integration into the chosen smart-home system or app following manufacturer instructions. Use the app or automation controller to set schedules, scenes, or remote control parameters.
Usage recommendations
Verify load type and rating before connecting to ensure compatibility with the relay’s switching capability. Avoid installing the device in locations exposed to moisture or extreme temperatures; use suitable protective enclosures if required. For safety and compliance, commissioning and wiring should be performed by a qualified electrician.

## Specifications

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 53 x 59 x 96 |
| Weight | 0.15 kg |
| Power consumption (typical) | 0.3 W |
| Operating relative humidity (H-H) | 30 - 70 |
| Operating temperature (T-T) | -20 - 40 |
| LED indicators | Y |
| Product colour | Black |
| Frequency band | 868.4 |
| Channels quantity | 3 channels |
| Overheat protection | Yes |
| Housing material | Plastic |
| AC input frequency | 50 - 60 |
| AC input voltage | 110 - 240 |
| Maximum indoor range | 40 m |
| DIN rail mounting | Yes |
| Product type | Smart relay |
| Transmit power | 25 mW |

## FAQ

### How much does the Shelly Wave PRO 3 smart relay cost, and is it available for purchase?

The price is 103.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 615 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, Installment. All transactions are 100% secure and encrypted.

### Can Shelly Wave PRO 3 smart relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Shelly 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 Shelly 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/11073042/66973893_large.webp