OverviewSingle/Three-Phase energy analyzer (up to 3 single-phase lines) with accuracy class 0.5S. Connection via CTs ../5A or ../1A (CTs not included). DIN-rail mounting, 4 modules. Installation via screw terminals.
Measurements and Functions- Measures THD and TDD on voltage and current
- Measures neutral current
- Measures maximum and minimum voltage
- Measures maximum current and power
- Measures active energy per phase
- Includes phase sequence detection and configuration
Alarms, Timers and Indicators- Four operating timers
- Eight configurable alarms with support for complex logic conditions
- Calibration LED for energy
- Status LED
- LED for RS485 communication
Communication and FirmwareCommunication via Modbus-RTU over RS485. Firmware is remotely upgradeable and expandable through PUK codes for future upgrades after installation.
Mechanical and InstallationDIN-rail mounting, 4 modules. Screw terminal connections for line and control wiring.
Power and StandardsPower supply: 230–240 VAC. Complies with standards EN 50470-1 and EN 50470-3.
Technical characteristics / specifications- Model type: Single/Three-Phase energy analyzer (up to 3 single-phase lines)
- Accuracy class: 0.5S
- Current transformer (CT) connection: ../5A or ../1A (CTs not included)
- Measurements: THD, TDD (voltage & current), neutral current, max/min voltage, max current, power, active energy per phase
- Phase sequence detection and configuration
- Timers: 4 operating timers
- Alarms: 8 configurable alarms with complex logic support
- LEDs: energy calibration LED, status LED, RS485 communication LED
- 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
- Product code: PFA74-10102-E00