# FoxESS energy meter with CT 200A/5A DTSU666, 3-phase

> FoxESS DTSU666 200A CT is a three-phase smart meter for DIN-rail installation, supplied with three 200 A current transformers. Used with compatible FoxESS equipment, it measures grid energy flows for monitoring and system control.

## Product identity
- **Brand:** FoxESS
- **SKU:** GAZ983

## Description
FoxESS DTSU666 200A CT is a three-phase, four-wire smart meter for electrical distribution boards. It measures current through three supplied 200 A current transformers and communicates through RS485 with compatible equipment.

The meter supports a 304–499 Vac line-voltage range, 0–200 A current measurement and Class 1 current, power and energy measurement accuracy. Its LCD display provides local readings; installation and CT wiring must be carried out by a qualified electrician.

## Specifications
- **Dregme:** 5–95 % RH, be kondensacijos
- **Connectivity:** RS485
- **Modelis:** DTSU666 200A CT
- **Montavimas:** DIN35 bėgelis
- **Komunikacija:** RS485, 9 600 bps
- **Tinklo Tipas:** 3P4W
- **Fazine Itampa:** 176–288 Vac
- **Komplektacija:** 3 × 200 A srovės transformatoriai, 1 m
- **Linijine Itampa:** 304–499 Vac
- **Daznio Tikslumas:** ±0,01 Hz
- **Itampu Tikslumas:** ±0,5 %
- **Sroves Matavimas:** 0–200 A
- **Operating temperature:** −25 iki +55 °C
- **Laikymo Temperatura:** −40 iki +70 °C
- **Sroves Galios Energijos Tikslumas:** ±1 %

---
Canonical HTML: https://jardis.lt/en/foxess-energy-meter-with-ct-200a5a-dtsu666-3-phase