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Product at a glance

MFM with high accuracy, configurability and easy integration

Elite 440 is a multi-line three-phase digital panel meter for accurate and reliable measurement of electrical parameters (voltage, current, power, frequency, etc.) for industrial and commercial applications. It has a large multi-line backlit LCD display which enables four parameters to be displayed at the same time. Modbus communication capability allows easy integration with energy monitoring systems. Expansion modules can be fitted for enhanced system integration (pulse inputs/outputs or analogue output and ethernet).

Application

  • Commercial and industrial sub-metering and Energy Management System (EMS) applications
  • Building management and monitoring systems (BMS)
  • High, medium and low-voltage switchgear panels
  • Control and relay panels
  • Power Control Centre (PCC) panels
  • Motor Control Centre (MCC) panels
  • Relaying and control outputs
  • Plant automation and monitoring system (SCADA/DAS)

Benefits

  • Easy interface with external devices through built-in Modbus (RS-485/Ethernet)
  • Detachable connectors for easy installation
  • Diagnostics assistance on display
  • Suitable for star or delta connections and for low or high-voltage applications
  • Cost-effective online monitoring
  • Field-configurable CT/PT primary and secondary values using push-buttons

Features

  • Large four-line seven-digit display (9.7 H x 5 W mm) with quadrant identification section and bar graph for instantaneous power-level indication
  • High accuracy: Class 0.2s, 0.5s, 1.0
  • Average THD measurement for voltage, current and power, up to 31st harmonic
  • Measurement selection (star or delta/3P4W or 3P3W)
  • Modbus communication via RS-485 port/ethernet
  • True root-mean squared (RMS) metering
  • Calibration LED for accuracy test on site
  • Wide and configurable current range 1-2A and 5-10A
  • Wide-range auxiliary power supply, suitable for high-voltage or low-voltage installations
  • Maximum demand recording
  • Midnight snapshot (values) for selected energy registers
  • Scroll-lock and 'Favourites Page' display support
  • Expansion capability via add on modules for analogue outputs or pulse inputs/outputs and ethernet
  • Password protection for setup mode
  • Ethernet gateway module for easy integration of multiple meters connected over RS485 network

Specification

Electrical
Connection type Common product for HT3/HT4/LT4 applicatio
Measurement voltage range 57.7 V (100V) – 240 V (415 V) AC 3 phase 4 wire (3 phase 3 wire)
Tolerance -30% to +20% of V
Aux power supply range 80 – 300 V AC/DC or 24 – 60 V DC (variant)
Current range Available 1-2A and 5-10 A in single variant (field configurable)
Main frequency 50/60Hz with ±5%
Accuracy Class 0.2s, 0.5s, 1.0
Burden Aux burden: 3.5 VA; 8VA when all modules connected.
Current ckt burden: 1 A – 0.05VA per phase, 5 A – 0.25 VA per phase.
Voltage ckt burden: 0.15 VA per phase.
Short time over current 20 x Imax for 1 sec., 10 x Imax for 3 sec., 7 x Imax for 10 sec.
Compliance
Standards* IS13779, IS14697, IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-22, IEC61010, IEC62053-31
Mechanical
Dimensions (WXHXD) 96 x 96 x 65 mm (w/o module); 96 x 96 x 110 mm (with module)
Cut out size 92 x 92 mm
Weight 0.5 kg (approx)
Enclosure FRPC
Terminals Combicon connector
Max conductor size 2.5 mm2
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