SOMMY ES925 Series User Manual

ES925 Series
3 Phase Intelligent Energy Meter User Manual
This series meters are widely applied to control system, SCADA system and energy management system,
transformer substation automation, distributing net automation, residence community electrical power
monitor, industrial automation, intelligent construction, intelligent switchboard, switch cabinet, etc. It is easy
to install and maintain, simple connection, programmable setting parameters on meters or computer.

Features:

⊙Measuring Items: 3 phase Voltage/Current/Active Power/Reactive Power/Frequency/Power Factor
etc, totally 28 parameters
⊙Two switch input and two switch output
⊙True effective value measurement
⊙With RS485 interface，Modbus RTU communication protocol
⊙With positive active power and reverse active power recording function, the energy consumed and
emitted can be recorded separately.
！
Warning
An accident may happen and product may be damaged
comply with the instruction
if the operation does not
KKES925E01-A/0-20180709

Model

□
ES 92 5
Measure Parameters: W: all the 3 phase parameters
Display: L: segment LCD display
Dimension:
ES series 3 phase energy meter

Model Indication

Model Alarm or remote control
ES925-W 2

Main Technical Parameters

3 Phase 3 Wires 3 Phase 4 Wires
Connection
Voltage range AC 10-480V (L-L)
Voltage overload Continuous: 1.2 times Instantaneous: 2 times/10S
Voltage consumption <1VA (each phase)
≥300KΩ
Voltage impedance
Voltage accuracy RMS measurement, accuracy class 0.5
Current range AC 0.025~5A
Current overload Continuous: 1.2 times Instantaneous: 2 times/2S
Current consumption <0.4VA (each phase)
Current impedance <20mΩ
Current accuracy RMS measurement, accuracy class 0.5
Freqency 45~60Hz, accuracy 0.01Hz
Power Active / Reactive / Apparent power, accuracy 0.5 class
Energy Active Energy 1 class, Reactive Energy 2 class
Display LCD display
AC/DC 100~240V （85～265V）
Power supply
≤5VA
Power supply consumption
Output digital interface RS-485, MODBUS-RTU Protocol
Switch Input 2 switch input (Dry contact mode)
Alarm output 2 switch output, 250VAC/3A or 30VDC/5A
Temperature: -10~50℃ Humidity:<85% RH; Non-corrosive Gas; altitude ≤2500m
Working environment
92：96H×96W×77.5L（mm）
Communication Switch input or output
RS485
1
2