# FoxESS energy meter (smart meter) DTSU666, 3-phase

> FoxESS DTSU666 is a DIN-rail three-phase energy meter for direct current measurement up to 80 A. It transmits data through RS485 and is used for monitoring compatible energy-management systems.

## Product identity
- **Brand:** FoxESS
- **SKU:** I216
- **MPN:** I216

## Description
FoxESS DTSU666 is a 3P4W three-phase smart meter with an LCD display. It measures 0–80 A current, 304–499 V line voltage and energy and power parameters with Class 1 measurement accuracy.

The RS485 interface runs at 9600 bps, so the meter connects to a compatible controller or inverter. Dimensions are 72 × 100 × 85 mm, weight including cables is 1.5 kg, and it mounts on a DIN35 rail.

## Specifications
- **Phases:** 3 fazės / 3P4W
- **Current:** 0–80 A
- **Itampa:** 304–499 V (linijinė)
- **Connectivity:** RS485, 9600 bps
- **Modelis:** DTSU666
- **Warranty:** 2 metai
- **Montavimas:** DIN35 bėgelis
- **Matavimo Tikslumas:** 1 klasė

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