EEM-MA770-R - Measuring instrument

2907944

Multi-functional energy measuring device with integrated Modbus RTU/TCP interface for measuring electrical parameters in low-voltage installations up to 690 V. (phoenixcontact.com/empro-help)

Product type Energy measuring device
Product family EMpro

Maximum power dissipation for nominal condition 10 VA
Mains type 3-phase (3 or 4-conductor), 2-phase (2-conductor), and single-phase (1-conductor)
Electrical isolation
Test voltage 4 kV AC (50 Hz, 60 s)
Pollution degree 2
Electrical isolation Housing against all potentials IEC 61010-1
Standards/regulations IEC 61010-1
Overvoltage category III (300 V AC)
II (600 V AC)
Insulation Reinforced insulation
Electrical isolation Supply against all other potentials IEC 61010-1
Standards/regulations IEC 61010-1
Overvoltage category III (300 V AC)
II (600 V AC)
Insulation Reinforced insulation
Electrical isolation Voltage measurement input against all other potentials IEC 61010-1
Standards/regulations IEC 61010-1
Measuring category III (300 V AC)
II (600 V AC)
Insulation Reinforced insulation
Electrical isolation Current measurement input against all other potentials
Insulation Functional insulation
Electrical isolation Digital I/Os
Insulation Functional insulation
Electrical isolation Communication interface
Insulation Functional insulation
Supply
Supply voltage range 100 V AC ... 400 V AC (±20 %)
150 V DC ... 250 V DC (±20 %)
Power consumption ≤ 4 W
Nominal frequency 50 Hz ... 60 Hz (AC sine)

General
Measuring principle True RMS value measurement (TRMS)
Measured value AC sine (50 Hz/60 Hz)
Acquisition of harmonics up to 63rd harmonic
Description of the input Digital input in accordance with IEC/EN 61131-2 (type 3)
Number 1
Voltage input signal 24 V DC
0 V DC ... 30 V DC
Current input signal 2 mA ... 15 mA
Protection 250 mA (fast-blow)
Measurement: Voltage
Input name Voltage measuring input V1, V2, V3
Input voltage range direct 35 V AC ... 690 V AC (Phase/Phase)
20 V AC ... 400 V AC (Phase/neutral conductor)
Input voltage range via external transformers 60 V AC ... 2000000 V AC (primary)
60 V AC ... 400 V AC (secondary)
Surge voltage capacity 760 V AC (Phase/Phase)
Precision 0.2 %
Power consumption < 2 VA
Measurement: Current
Input name Current measurement I1, I2, I3
Input current 1 A (secondary)
5 A (secondary)
Measuring range 1 A ... 20000 A (primary)
Overload capacity 6 A (Imax)
Response threshold from measuring range nominal value 10 mA (1 A)
50 mA (5 A)
Precision 0.2 %
Current overload 50 A for 1 s
Power consumption < 0.5 VA
Measurement: Power
Precision 0.5 %
Active energy (IEC 62053-22) Class 0.5 S
Reactive power (IEC 62053-23) Class 2
ANSI C12.20 Class 0.5 S

Output description Digital output in accordance with IEC/EN 61131-2 (type 3)
Number 1
Current output signal ≤ 100 mA
Voltage output signal 24 V DC
Protection 250 mA (fast-blow)