Fox ESS 3ph Energy Meter CHNT DTSU666

FE-3PH-METER-CT | Three-phase CHINT DTSU666 smart meter with external CTs for accurate import/export monitoring in Fox ESS three-phase systems.

Key Features

• Three-phase four-wire electronic energy meter (DTSU666) with Modbus RTU RS485.
• External CT clamps for non-invasive current measurement on each phase.
• Class B accuracy (±1.0%) for active energy per MID certification.
• Measures voltage, current, power, PF, frequency and bi-directional energy per phase.
• Essential for zero-export control on three-phase Fox ESS hybrid/AC inverters.
• Compact DIN-rail (4-module) design for consumer unit installation.
• Backlit LCD display cycling through all electrical parameters.

Technical Specifications

Rated Voltage	3×230/400 V AC
Current Input	100A/40mA via external CTs
Accuracy Class	Class B (MID certified)
Communication	RS485 Modbus RTU (9600 bps)
Display	7-digit LCD (voltage, current, power, energy, PF)
Pulse Output	400 imp/kWh
Dimensions	98 × 72 × 65 mm (4 DIN modules)

Installation & Application

• Meter installs at main three-phase supply with CT clamps on L1, L2, L3 conductors.
• RS485 connection to Fox ESS three-phase inverter (screened cable up to 1000m).
• Provides real-time per-phase data for precise export limitation and energy management.
• Required for compliant G100 three-phase installations with Fox ESS equipment.

MPN: FE-3PH-METER-CT
Model: CHINT DTSU666 3-Phase with External CTs

Professional-grade three-phase metering solution for Fox ESS systems, delivering accurate multi-phase monitoring essential for commercial zero-export and advanced energy management applications.