Three-phase energy meter

Three-phase energy meter

CEM-C31-485-T1-MID

CEM-C31-485-T1-MID, Indirect three-phase energy meter with communications and MID certificate

Code: Q23522.

  • Protocol: Modbus/RTU
  • Módules: 4
  • Tariff: 1
  • Certification: MID
  • Communications: RS-485
  • Transistor output: 1
  • System: Three-phase
  • Measure: Indirect
  • Measurement Range (V): 3 x 57/100...3 x 230/400
  • Measurement Range (A): .../ 5 (10) A
  • Max. Current (A): 10

INFORMATION

Description

Three-phase electrical energy meter with indirect measurement, 5(10)A (, CEM-C31), direct measurement 65 A (CEM-C21) or single-phase energy meter (CEM-C10).
Built-in LCD display (7 digits) with rotating screen system. Features built-in RS-485 communications. Also features
2 buttons (1 sealable button) for viewing all the measured information.
Other features include:

  • MID certification, module B+D (depending on the type)
  • Class 1 active energy (Class B, in accordance with MID), Class 2 reactive energy
  • Complies with the EN 50470 (MID European standards) or IEC 62052-11 standards (international standards), depending on the type.
  • Compact size (CEM-C10: 2 modules, 36 mm, CEM-C21 y CEM-C31: 4 modules, 72 mm)
  • Resettable partial meter
  • 1 programmable impulse output, in accordance with DIN 43864 (CEM-C10, CEM-C31-T1, CEM-C21-T1 models)
  • 1 Digital input for Tariff selection and impulse count (CEM-C31-D, CEM-C21-DS)
  • Indicates bad connections on the screen
  • Energy storage, even in the case of bad connections

Applications

  • Redundant meter for verifying the energy allocated by the energy provider.
  • Energy consumption report sent to a remote system (PLC/BMS).
  • Cost control for achieving a high consumption/unit ratio in industrial processes.
  • Display of electrical parameters (V, A, kW, kW·h, PF, etc.), per phase and three-phase.

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SPECIFICATIONS

AC power supply
Nominal voltage
230 V / 400 V ~ (± 20 %)
Frequency
50 … 60 Hz
Consumption
< 2 W, 10 VA
Installation category
CAT III 300 V
Electrical characteristics
Insulation voltage, circuit
4 kV RMS 50 Hz durante 1 min
Voltage measurement circuit
Nominal voltage
3 x 127/220 ... 3 x 230/400 V ~
Consumption
< 2W , < 10VA (In, Vref)
Nominal frequency
50 / 60 Hz
Current measurement circuit
Maximum current
10 A
Minimum current measurement
0.050 A
Reference current (Iref)
5 A
Transition current
0.25 A
Consumption
0.3 VA … 10 A
Measurement accuracy
Active energy measurement (kWh)
Class B (EN 50470)
Reactive energy measurement (kvarh)
Class 2.0 (IEC 62053-23)
Digital transistor outputs
Quantity
1
Maximum voltage
24 Vcc
Maximum current
50 mA
Pulse output, time period (Ton / Toff)
Ton: 40 ms
Serial communication
Technology / Type
RS-485
Protocol
Modbus RTU
User interface
Display type
LCD
Maximum value
999999.9 kWh
LED
2 LED: kWh, 20000 imp/kW, kvarh, 20000 imp/kvarh
Keyboard
2 Keys
Environmental characteristics
Relative humidity (without condensation)
5 … 95 %
Standards
Standards
EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-23
Electrical safety, Maximum height (m)
2000
Mechanical characteristics
Weight (kg)
0,389
Size (mm) width x height x depth
70 x 90 x 64 (mm)

DIMENSIONS

CONNECTIONS

VIDEOS

DOWNLOADS

User's manual
Technical guide
3D
Diagram connection
Datasheet
CE-certified
Other Certificates
Catalogue
Leaflet

ACCESORIES

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