The smart energy meter of EM418 series is a single phase energy meter. It does not require
special mechanical or electrical tools for its installation. Mounting position ( with any angle
of tilt) has no effect on the measurement function of the meter. Furthermore, it is easy to
program.
Features + Benefits
– Single phase metering 4 DIN modules ,Standard DIN rail Format(DIN43880)
– IEC62053‐‐21/22 Class 1.0,0.5S
– Bi‐‐directional active energy measuring , Bi‐‐directional reactive measuring
– Records MD and its occurence time for latest 12 months
– Instant Volt, Amp, Power factor, Frequency, Active power, Reactive power, Apparent power
– TOU of 4 tariffs, up to 12 time periods per day
– Summer time switch
– Clock time verification function
– Date memory recording, including 1‐12 month energy consumption, MD and MD’s current time
– Isolate pulse output and IR (DIN43864)
– LCD display, 6 integer, 2 decimal, meter display when power fails
– Large clear back-lid display
– Internal transformer
– Direct metering up to 100A
– RS485 communication port, Modbus protocol
– IR port
– Programming direct on nameplate’s buttons
– Memory back‐‐up (EEProm)
– 4 DIN modules
Applications
– Residential or Commercial Buildings metering and submetering
– District heating / cooling
– Energy Management
– Green Energy Management
– HVAC
Specifications
| Operating humidity | ≤ 75% | ||
| Storage humidity | ≤ 95% | ||
| Limit range of operating temperature | ‐5°C ‐ +45°C(3K5) | ||
| Limit range for storage temperature | ‐25°C ‐ +55°C(3K6) | ||
| Humidity | 75% yearly average,95% on 30 days/year | ||
| International standard | EN50470‐3 &IEC62053‐21 | Accuracy class | Class 1 |
| Protection against penetration of dust and water | IP51 | ||
| Insulating encased meter protective class |
|
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| Connection area main terminals | Indoor meter | ||
| Default terminal | Flexible 1×mm2 0‐16mm2 | ||
| Additional terminal | Flexible 1×mm2 0‐2.5mm2 |
2.0 Energy Meter Specifications |
|
| Direct Connected Meter | |
| Voltage(v) | 230V |
| Operational voltage | ±70% 130%Un |
| Current(A) | |
| ‐ Iref | 10A |
| ‐Itr | 1A |
| ‐Imax | 100A |
| ‐Imin | 0.5A |
| ‐Ist | 40mA |
| Power consumption of current circuits(VA) | < 0.01 |
| Power consumption of voltage circuits(W) | < 1.3W |
| General data | |
| Frequency(Hz) | 50/60Hz |
| Memory back‐up | EEprom |
| Environment resistance | heat and fire |
| Terminal | 960 |
| Cover | 650 |
| Time-keeping Accuracy | < 0.5s/day |
| Clock Operation with Battery | > 15years |
| Power off clock running time | > 5years |
| Upper | ABS+PC |
| Lower | ABS+PC |
| Pulse Output | |
| Pulse Width(ms) | 80 |
| Pulse Constant(imp/kWh) | 400 |
| LED Constant | 400 |
| Width | 126mm |
| Height | 104.5 |
| Depth | 60mm |
3.0 Energy Meter Dimensions and Sealing Points
4.0 Smart Energy Meter – Wiring Diagram
Note: the following types of wiring diagrams show the energy meter,
include terminals for pulse output and the communication interface
RS‑485.However,depending on the ordering number of the energy meter only some
terminals of the energy meters are involved.
5.0 Smart Energy Meter – LCD Reading Angle
The LCD display angle is readable up to 45 degree.
Brochure
Coming Soon