Overview
The GY900E-AS4 is a professional 3-phase multifunction power meter using advanced digital signal processing technology. It accurately measures various electrical parameters in 3-phase power systems and complies with IEC 61557-12:2018 standards.
Widely used in industrial automation, energy management systems, and building monitoring applications worldwide. The meter features high precision measurement, RS485 Modbus communication, and compact panel-mount design.
Key Features
✅ 3-phase voltage measurement
✅ 3-phase current measurement
✅ Active power measurement
✅ Reactive power measurement
✅ Power factor measurement
✅ Frequency measurement
✅ Energy accumulation
✅ Pulse output
✅ RS485 communication
✅ LED/LCD display
✅ Multiple display modes
✅ Alarm output
Technical Specifications
Model
GY900E-AS4
Dimensions
72mm × 72mm
Cutout Size
68mm × 68mm
Display
LED/LCD Digital Display
Voltage Range
AC 380V/220V
Current Range
AC 5A
Accuracy
0.5%
Communication
RS485 / Modbus
Power Supply
AC/DC 80-270V
Frequency
50Hz / 60Hz
Operating Temp
-10°C ~ +55°C
Standard
IEC 61557-12: 2018