# TUYA Smart Energy Sensor 3P+N 63A Modbus RS485 HS083854

**URL:** https://aio.lv/en/product--tuya-hs083854--12667740
**Data updated:** 2026-09-11 04:29 (EEST)
**Category:** Other goods
**Manufacturer:** TUYA
**Manufacturer code:** HS083854
**EAN:** 9990001083854
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 75.49 €
**Prices and availability valid until:** 2026-10-21 23:59
**Price without VAT (21%):** 62.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tuya-hs083854--12667740

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.09.2026 | free |
| Pickup points | 02.10.2026 | 1.99 EUR |
| Courier delivery to door | 02.10.2026 | 4.99 EUR |

## Summary description

TUYA Smart Energy Sensor, model HS083854, designed for 3P+N systems with a 63A rating. Features Modbus RS485 communication interface for reliable data transmission and energy monitoring in smart home and industrial automation applications. Ideal for accurate electrical parameter tracking, power management, and integration into automated energy systems.

## Long description

The TUYA Smart Energy Sensor 3P+N 63A Modbus RS485 HS083854 is an advanced device engineered to track energy consumption effectively and accurately in three-phase systems with a neutral wire, while also being applicable to single-phase setups. This smart energy sensor provides real-time measurements of essential electrical parameters including voltage, current, power, electricity consumption, and frequency. Designed for industrial, commercial, or larger residential installations, it allows simultaneous monitoring of multiple phases or individual circuits, ensuring comprehensive power management and seamless integration into automated energy systems.
Advantages
The device delivers high measurement accuracy with an energy measurement accuracy of 1 percent, meeting Class 1 standards. Supporting a current measurement up to 63A, it enables reliable monitoring of energy consumption across demanding electrical circuits. The integrated Modbus RS485 communication interface utilizing the Modbus RTU model ensures stable and fast data transmission compatible with industrial control systems and large facilities. Additionally, the sensor can analyze phase balance in three-phase systems and compare parameters of multiple circuits. Its flexible installation configuration allows placement after a main circuit breaker, fuse, or distribution panel without occupying DIN rail space.
Suitable for
Industrial and commercial electrical installations
Larger residential energy monitoring systems
Real-time electrical parameter tracking of voltage, current, and frequency
Three-phase with neutral (3P+N) and single-phase system integration
Automated energy management systems utilizing Modbus RS485 communication
The device may not be suitable for installations where electrical currents exceed the nominal limit of 63A or in environments lacking protection against moisture, as it features an IP20 protection class. It is also unsuitable for placement before a main circuit breaker or fuse, or downstream of control devices such as contactors, variable frequency drives, or motor starters, where electrical faults, voltage pulses, harmonics, or instantaneous current surges could damage the unit.
Key specifications
Maximum current: 63 A (3P+N)
Operating voltage: 208 to 415V AC
Frequency: 50 or 60 Hz
Nominal insulation voltage: 400V
Energy measurement accuracy: 1 percent, Class 1
Operating consumption: 0.7W
Nominal impulse withstand voltage: 4 kV
Overvoltage category: III
Communication type: Modbus RS485
Protection class: IP20
Operating temperature range: -25 to +60 degrees Celsius
Measuring cavity diameter: 9.8 mm
Dimensions: 46.8 by 52.8 by 21.3 mm
The TUYA Smart Energy Sensor must be installed in a dry location or inside special protective boxes if moisture exposure is possible. Mount the device downstream in the electrical circuit, specifically after a main circuit breaker, fuse, or distribution panel, to monitor specific circuits or devices accurately. Ensure the wiring respects the measuring cavity diameter and that the communication interface is correctly connected to your Modbus RTU network for reliable data transmission and real-time monitoring.
What to consider before purchase
Verify that your electrical system maximum current does not exceed the 63A nominal limit of the device
Confirm compatibility with Modbus RS485 communication protocols for your automation setup
Check that the installation environment is dry or equipped with appropriate protective enclosures
Ensure proper downstream placement location after circuit protection devices
For optimal performance and safety, always install the TUYA Smart Energy Sensor 3P+N 63A Modbus RS485 in dry conditions downstream of main circuit breakers or fuses, avoiding placement near motor starters or variable frequency drives to prevent damage from current surges.

## FAQ

### How much does the TUYA HS083854 Smart Energy Sensor cost, and is it available for purchase?

The price is 75.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 29.09.2026 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 TUYA HS083854 Smart Energy Sensor 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 TUYA 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 TUYA 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/12667740/69958669_large.webp