Power meter with power quality and harmonic analyzer PFA74-1H102-E00 ATTO PRO D4 5A PINCE

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Overview
Harmonic and power-quality energy analyzer for single- and three-phase systems (up to 3 single-phase lines). Class 0.5S accuracy with support for CT connections and RS485 communications.

Main features

• Single/three-phase energy analyzer (up to 3 single-phase lines)
• Accuracy class 0.5S
• Connection via CTs ../5A or ../1A (CTs not included)
• Measures THD and TDD on voltage and current
• Neutral current measurement
• Records maximum and minimum voltage
• Records maximum current and power
• Measures active energy per phase

Harmonics and analysis
Performs single-harmonic analysis up to the 31st order on three phase voltages and three line currents in real time. Includes phase-sequence detection and configuration options.

Alarms, timers and indicators
Four operating timers and eight configurable alarms with support for complex logic conditions. LEDs for energy calibration, status, and RS485 communication provide clear local indication.

Communications and firmware
Modbus-RTU over RS485 communications. Firmware is remotely upgradeable and the device can be expanded through PUK codes for future functions after installation.

Installation and compliance
DIN-rail mounting, 4 modules. Screw terminal connections. Power supply: 230–240 VAC. Compliant with EN 50470-1 and EN 50470-3 standards.

Product code
Product code: PFA74-1H102-E00

Technical specifications

• Product family: ATTO PRO D4
• Accuracy class: 0.5S
• Phase: Single/three-phase (up to 3 single-phase lines)
• Current connection: via CTs ../5A or ../1A (CTs not included)
• Harmonic analysis: single-harmonic analysis up to 31st order (voltages and currents)
• Measured parameters: THD, TDD, neutral current, max/min voltage, max current, power, active energy per phase
• Phase sequence detection: included
• Timers: 4 operating timers
• Alarms: 8 configurable alarms with support for complex logic
• LEDs: calibration (energy), status, RS485 communication
• Communication protocol: Modbus-RTU over RS485
• Firmware: remotely upgradeable; expandable via PUK codes
• Mounting: DIN-rail, 4 modules
• Terminals: screw terminals
• Power supply: 230–240 VAC
• Standards: EN 50470-1, EN 50470-3