Contor energie trifazat Phoenix Contact EEM-EM355 , pentru măsurarea puterii active cu transformator de curent 1 A/5 A în rețele de până la 500 V, cu ieșire S0, cu intrare digitală și interfață RS-485, certificat conform directivei MID:

Accuracy class Class B (EN 50470-3)
Class 1 (EN 62053-21)
Electric strength 6 kV
4 kV (EN 50470-3, 7.2)
Supply
Supply voltage range Supply from the measuring circuit

Measurement
Input voltage range 3x 184 V ... 288 V (320 V ... 500 V)
Power consumption 3.5 VA (1 W)
Frequency range 45 Hz ... 65 Hz
Startup current Ist 0.002 A
Minimum current Imin 0.01 A
Limiting current Imax 6 A
Transient current Itr 0.05 A
Reference current Iref 1 A
Secondary rated current Isn 1 A
5 A
Current transformer ratio 1 ... 10000 (max. 10000/1 or 50000/5)
Current transformer load 1.5 mΩ
Active energy (EN 50470-3) Class B
Real energy (IEC 62053-21) Class 1
Reactive power (IEC 62053-23) Class 2
Digital
Description of the input Active opto-isolated
Input voltage range 80 V AC/DC ... 276 V AC/DC

S0 output
Output description Passive opto-isolated
Maximum switching voltage 27 V DC
Max. switching current 27 mA
Pulse time 50 ms ±2 ms
Pause time 30 ms ±2 ms
Pulse LED 10000 imp/kWh
Meter constant 100 imp/kWh, kVAh, kvarh
Meter constant 1000 imp/kWh, kVAh, kvarh (CT 1 ... 4)
200 imp/kWh, kVAh, kvarh (CT 5 ... 24)
40 imp/kWh, kVAh, kvarh (CT 25 ... 124)
8 imp/kWh, kVAh, kvarh (CT 125 ... 624)
1 imp/kWh, kVAh, kvarh (CT 625 ... 3124)
0.1 imp/kWh, kVAh, kvarh (CT 3125 ... 10000)

Measurement connection
Designation Measurement connection
Conductor connection
Connection method Screw connection
rigid 1.5 mm² ... 6 mm²
flexible 1.5 mm² ... 6 mm²
AWG 16 ... 10 (rigid/flexible)
Tightening torque 1.5 Nm
other connections
Designation other connections
Conductor connection
Connection method Screw connection
rigid 0.14 mm² ... 1.5 mm²
flexible 0.14 mm² ... 1.5 mm²
AWG 26 ... 16 (rigid/flexible)
Tightening torque 0.5 Nm

Communication:
Communication protocol Modbus
Communication standard RS-485
Transmission speed range 300 bps ... 57600 bps
Parity odd, even, none

Item dimensions
Width 72 mm
Height 90 mm
Depth 67 mm