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Monitoring analyzer PFA74D1-D2-B ATTO RCM D4 ECT
3-phase electrical networksfor single-phase electrical networkspower

Monitoring analyzer - PFA74D1-D2-B ATTO RCM D4 ECT - ELECTREX - 3-phase electrical networks / for single-phase electrical networks / power
Monitoring analyzer - PFA74D1-D2-B ATTO RCM D4 ECT - ELECTREX - 3-phase electrical networks / for single-phase electrical networks / power
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Characteristics

Application domain
monitoring, 3-phase electrical networks, for single-phase electrical networks
Measured value
harmonic, power, voltage, energy
Configuration
DIN rail
Other characteristics
RS485

Description

Product overview
  • Single-/three-phase energy transducer / analyzer with integrated residual current monitoring (for up to 3 single-phase loads).
  • Requires external Electrex ECT type current transformers (not included), e.g. PFAE000-01 or PFAE000-02.
  • Programmable residual current threshold from 0.03 A to 5 A.


Key measurements and functions
  • Measurement of THD (total harmonic distortion) for voltage and current.
  • Neutral current measurement.
  • Maximum and minimum voltage detection.
  • Maximum power and maximum current detection.
  • Active energy measurement per phase.
  • Phase sequence available in Modbus register.
  • Four operating time counters for the monitored load.
  • One calibration/status LED.


Communications, I/O and firmware
  • RS485 interface with Modbus protocol.
  • 2 digital inputs and 2 digital outputs with separate commons (pre-alarm and alarm functions).
  • Firmware remotely upgradeable.


Mechanical and compliance
  • Size: 4 DIN rail modules.
  • Power supply: 230-240 Vac.
  • Standards: EN 50470-1 and EN 50470-3.
  • Not suitable as a protective or life-saving device.


Technical specifications
  • Product code: PFA74D1-D2-B.
  • Product type: Single-/three-phase energy transducer/analyzer with residual current monitoring (up to 3 single-phase loads).
  • Required external CTs: Electrex ECT type (not included), e.g. PFAE000-01, PFAE000-02.
  • Programmable residual current threshold: 0.03 A ÷ 5 A.
  • Measurements: THD (voltage and current), neutral current, Vmax, Vmin, max power, max current, active energy per phase.
  • Phase sequence: available on Modbus register.
  • Counters: Four operating time counters for the monitored load.
  • Indicator: 1 calibration/status LED.
  • Interfaces: RS485 (Modbus), 2 digital inputs, 2 digital outputs with separate commons.
  • Firmware: remotely upgradeable.
  • Size: 4 DIN modules.
  • Power supply: 230-240 Vac.
  • Standards: EN 50470-1, EN 50470-3.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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