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WECM40-S MID

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Data sheet Instruction manual
CELSA WECM40-S MID
Basic data
Item number
70143-1012

40A single-phase energy meter with built-in communication

  • Certified MID version
  • For RS485 Modbus RTU communication
  • Direct connection up to 40 A
  • Fully bidirectional 4-quadrant measurements for all energies and powers
  • High reliability
  • 1 DIN module compact size
  • Quick installation
  • S0 output for energy pulse delivery
  • LCD display with 7 main digits.
Technical data
Auxiliary voltage
of measuring circuit Un ± 20%
Consumption
1.5 VA, 1 W
Ambient conditions
Operation -25 - 55 °C
Storage -40 - 75 °C
Humidity 0 - 80 RH
Montage
DIN-Schienen Montage
Electrical connection
Display
Type
LCD
Number of digits
7
IP protection class
IP51
Connections
IP protection class
IP20
Measurement inputs conductor cross-section
1.5-6 mm²
Tariff outputs conductor cross-section
0.14-2.5 mm²
Tariff input
Tariff input
No
Metrological LED
Pulse valence
5000 imp./kWh
Pulse duration
4 ± 0.1 ms
Communication
Normative standards
EIA-485
Interfaces
RS485
Protocols
Modbus RTU
Load unit
1/8
speed
2400 - 38400
Measurement
Active energy accuracy
Class B according to EN 50470-3
Reactive energy accuracy
Class 2 according to IEC/EN 62053-23
Starting current
20 mA
Minimum current
250 mA
Transition current
500 mA
Rated current
0 - 40 A
Nominal current
5 A
Frequency
50 - 60 Hz
S0 output
Number of S0 outputs
1
Maximum current
27
Maximum voltage
27 DC
Pulse output
1000 Imp./kWh
Pulse duration on
100 ± 0.5 ms
Pulse duration off
65 ± 2 ms