# Energy cost meter AC Shelly Pro 3EM-3CT63 63 A 50-60 Hz

**URL:** https://aio.lv/en/product--shelly-shellypro3em3ct63--11184113
**Data updated:** 2025-12-30 18:29 (EET)
**Category:** Smart Sensors
**Manufacturer:** Shelly
**Manufacturer code:** Shelly\_Pro\_3EM\_3CT63
**EAN:** 3800235268193
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 121.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 100.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--shelly-shellypro3em3ct63--11184113

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.89 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The Shelly Pro 3EM-3CT63 is an AC energy cost meter designed for monitoring energy consumption. It supports a maximum current of 63 A and operates within a frequency range of 50 to 60 Hz. With compact dimensions of 94 mm width, 19 mm depth, and 69 mm height, it is suitable for various installations.

## Long description

Shelly Pro 3EM-3CT63 is a DIN-rail mountable single- or three-phase energy cost meter with a combined 63 A, 3-phase current transformer. Designed for professional installations, it measures accumulated energy and provides real-time readings of voltage, current, active and apparent power per phase. The device supports LAN and Wi‑Fi operation, local and cloud integrations via Modbus, MQTT, HTTP and WebSocket, and stores up to 60 days of 1‑minute interval data in non-volatile memory. It includes a real-time clock and an embedded web interface for configuration and monitoring. Note: the unit has no built-in relay; contactor control requires the Shelly Pro 3EM Switch Add-on.
Advantages
The Shelly Pro 3EM-3CT63 offers flexible connectivity with LAN and Wi‑Fi, secure inbound connections with TLS, and multiple protocol support (Modbus, MQTT, HTTP, WebSocket) for integration into automation systems. It records detailed per-phase measurements and preserves up to 60 days of historical data at 1‑minute resolution. Its DIN-rail form factor and real-time clock make it suitable for professional electrical panels and installations.
Suitable for
Monitoring electricity consumption in residential or commercial electrical panels
Integration with building automation systems via Modbus, MQTT, HTTP or WebSocket
Energy cost tracking and per-phase power analysis for three-phase installations
Key specifications
Brand: Shelly
Model: Pro 3EM-3CT63 (MPN: Shelly\_Pro\_3EM\_3CT63)
Maximum current: 63 A (combined 3‑phase CT)
Frequency: 50–60 Hz
Mounting: DIN-rail
Data storage: up to 60 days at 1‑minute intervals in non-volatile memory
Connectivity: LAN, Wi‑Fi; supports Modbus, MQTT, HTTP, WebSocket; TLS for inbound connections
Dimensions (approx.): 94 mm width × 19 mm depth × 69 mm height
Additional: real-time clock; no built-in relay (requires Shelly Pro 3EM Switch Add-on for contactor control)
How to use
Mount the Shelly Pro 3EM-3CT63 on a DIN rail in the electrical panel and install the supplied 3‑phase current transformer around the conductors to be measured. Connect the device to the local network via Ethernet or Wi‑Fi and open its embedded web interface to configure network settings, measurement units, tariffs and integrations. Use Modbus, MQTT, HTTP or WebSocket to connect the meter to an automation system or cloud service. Retrieve stored measurement data from the device for up to 60 days at 1‑minute intervals as needed.
Usage recommendations
Ensure installation and wiring are performed by a qualified electrician. For remote switching or contactor control, pair the meter with the Shelly Pro 3EM Switch Add-on as the device has no onboard relay. Maintain regular backups of recorded data if required by your monitoring workflow.

## Specifications

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Maximum current | 63 A |
| Wi-Fi | Yes |
| Frequency range | 50 - 60 |
| Accuracy | 1 % |
| Power source type | AC |
| AC outlet types | Hard Wire 3-wire (3PH + G) |
| Displayed energy consumption units | W, V, A |

### Features

| Feature | Value |
|---|---|
| LED indicators | LAN, Wi-Fi, Power |
| Built-in display | No |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.062 kg |
| Height | 69 mm |
| Width | 94 mm |
| Depth | 19 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 30 - 70 |
| Operating temperature (T-T) | -30 - 40 |

## FAQ

### How much does the Energy cost meter Shelly Pro 3EM-3CT63 cost, and is it available for purchase?

The price is 121.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 956 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 30.06.2026 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 Energy cost meter Shelly Pro 3EM-3CT63 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/11184113/64511028_large.webp