Energy meter 40 A Modbus RTU WECM40-S-MID
This product is discontinued.
Single-phase energy meter for direct measurement
- 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
- Fast installation
- S0 output for energy pulse output
- LCD display with 7 main digits
The WECM40-S-MID is a single-phase energy meter that has MID conformity certification and is therefore suitable for billing purposes. The meter is suitable for the direct connection of current conductors up to a current of 40 A and can perform complete bidirectional four-quadrant measurements. It complies with class B accuracy in accordance with EN 50470-3. In addition to the standard S0 interface, the energy meter variant mentioned here has an RS485 interface with the Modbus RTU protocol.
MID conformity
Yes
Auxiliary voltage
From measuring circuit Un ±20%
Consumption
1.5 VA 1 W
Dimensions (W x H x D)
18 mm x 90 mm x 64 mm
Weight
100 g
Operating temperature range
Operation -25 °C to 55 °C
Storage temperature range
Storage -25 °C to 75 °C
Application range relative humidity
Humidity 0 to 80 RH
Assembly
DIN rail mounting
Electrical connection
2 Ladder
Display type
LCD
Display number of digits
7
Display IP protection class
IP51 (front), IP20 (terminal)
Measuring inputs Conductor cross-section
1.5 mm² to 6 mm²
Tariff outputs Conductor cross-section
0.14 mm² to 2.5 mm²
Tariff input
No
Voltage range Tariff
None
Metrological LED pulse value
5000 imp. / kWh
Measuring LED pulse duration
4 ± 0.1 ms
Communication
S0, Modbus RTU
Web server
None
Data storage
8 MB
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 to 40 A
Rated current
5 A
Rated current - load
-
Frequency measurement
50 to 60 Hz
Number of S0 outputs
1
S0 output Maximum current
27 mA
S0 output Maximum voltage
27 DC
S0 output Pulse output
1000 Imp. / kWh
S0 output Pulse duration On
100 ± 0.5 ms
S0 output Pulse duration Off
65 ± 2 ms
Scope of delivery
Counter, manual
Manufacturer
Celsa Messgeräte GmbH
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