EMS-D3 Compact power meter. THD, Alarms, 2 OUT. Modbus RTU.

The meters of the EMS-D3 series guarantee precision monitoring of the three-phase electrical parameters. It provides the various measurement functions necessary for monitoring electrical installations, such as current, voltage, power, power factor, frequency and energy.

Introduction
Range	EMS
Product name	EMS-D3
Product type	Multifunction power meter

Technical characteristics
Device application	Energy and power monitoring
Type of measurement	True RMS Active and reactive power Apparent power Current Voltage Energy Power factor Frequency Total current harmonic distortion THD (I) Total voltage harmonic distortion THD (V)
Supply voltage	230 VAC 115 VAC (optional) 24...230 VAC/DC (optional) 90...250 VAC/DC (optional)
Network requency	50 Hz 60 Hz
Rated current [In]	5 A 1 A
Wiring connection	1P 2P 3P ARON 3P balanced
Power consumption	10 VA max
Display type	Backlight LCD
Measurement current	0,050...5 A with CT /5A 0,010...1 A with CT /1A
Measurement voltage	30-400 VAC (L-N) 50-690 VAC (L-L)
Frequency measurement range	40-70 Hz
Measurement refresh	500 ms
Neutral current input	Calculated
Accuracy class	Class 1 active energy conforming to IEC 62053-22 Class 0.5S active energy conforming to IEC 62053-22 (optional)
Communication port	RS485
Communication protocol	Modbus RTU 4,8...115,2 kbauds
Number of outputs	2
Mounting mode	DIN rail 3 modules
Standards	CEI EN 61000-6-2:2006 CEI EN 61000-6-4:2007 CEI EN 61010-1:2013
Weight	200g

Environment
IP degree of protection	IP40 on front IP20 terminals
Relative humidity	5...95%
Operating temperature	-25...+70 °C
Storage temperature	-30...+80 °C

Options
Amperometric inputs from pre-wired compact sensors