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Phoenix EEM-MA770-R-measuring device 2907944, a multifunctional energy measuring device, uses an integrated Modbus RTU/TCP interface to measure electrical parameters in low-voltage devices up to 690V.

Product Type Electric energy monitoring equipment
Product Series EMpro

rated conditions 10 VA
Main Power Type 3-phase (3 or 4-wire system), dual-phase (2-wire system) and single-phase (single-wire system)
electrical isolation
Test Voltage 4 kV AC (50 Hz, 60 s)
pollution level 2
insulation reinforced insulation
electrical isolation housing relative to all potentials IEC 61010-1
Standards/Regulations IEC 61010-1
Overvoltage Category III (300V AC)
II (600V AC)
insulation reinforced insulation
galvanically isolated power supply with respect to all other potentials IEC 61010-1
Standards/Regulations IEC 61010-1
Overvoltage Category III (300V AC)
II (600V AC)
insulation reinforced insulation
galvanically isolated voltage measurement input relative to all other potentials IEC 61010-2-030
Standards/Regulations IEC 61010-2-030
Measurement Type III (300V AC)
II (600V AC)
insulation reinforced insulation
galvanic isolation of current measurement input relative to all other potentials
insulation Functional insulation
galvanically isolated digital I/O
insulation Functional insulation
Electrical Isolation Communication Interface
insulation Functional insulation
power supply
Supply Voltage Range 100V AC ... 400V AC (±20 %)
150V DC ... 250V DC (±20 %)
power consumption ≤ 4W
Rated frequency 50Hz ... 60Hz (AC sinusoidal)

Overview
measuring principle True Root Mean Square Value Measurement (TRMS)
measured value AC sinusoidal (50Hz/60Hz)
harmonic current acquisition up to 63rd harmonic
Input Description digital input conforming to IEC/EN 61131-2 (type 3)
number. 1
voltage input signal 24V DC
0V DC ... 30V DC
current input signal 2 mA ... 15 mA
protection 250 mA (fast fuse)
protection circuit Prevent wrong DC connection (max. 30V)
measurement: voltage
Enter Name voltage measurement inputs V1,V2,V3
Input Voltage Range Direct 35V AC ... 690V AC (phase/phase)
20V AC ... 400V AC (phase/neutral conductor)
input voltage range via external current transformer 60V AC ... 2000000V AC (Primary)
60V AC ... 400V AC (secondary)
surge power 760V AC (phase/phase)
accuracy 0.2 percent
power consumption < 2 VA
measurement: current
Enter Name current measurement I1, I2, I3
input current 1 A (secondary)
5 A (secondary)
Measurement range 1 A ... 20000 A (primary)
Overload 6 A (Ithe largest)
Measurement Range Rating 10 mA (1 A)
50 mA (5 A)
accuracy 0.2 percent
current overload 50 A,1 second
20 A(4 x IN, continuous)
power consumption < 0.5 VA
2907945
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Phoenix EEM-MA770-R-Measuring Equipment 2907944

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