User Manual
Voltage/Current: 0.2% Energy Accuracy: Class 0.5 Power Factor: 0.1%
2.3.4 Working Condition
Operating Temperature: -25
℃～
+70
℃
Storage Temperature: -40
℃～
+85
℃
Relative Humidity: 20%
～
90%(non-condensing)
2.3.5 Communication
RS485/Modbus-RTU Communication Protocol Baud Rate: 2400~19200bps (programmable)
Technical Parameters-MA3UI5C
Accuracy Class
Voltage:0.2, Current:0.2, Frequency:0.05Hz, Power factor:0.5
Active power:0.5, Reactive power:0.5, Appearent power:0.5
Active energy: 0.5, Reactive energy: 2
Input
Rated Value
Voltage: 100/400V; Current: 1A/5A
Overload
Voltage: Sustained Overload: 1.2 times of the rated value
Momentary Overload: 2 times of the rated value
Current: Sustained Overload: 1.2 times of the rated value
Momentary Overload: 2 times of the rated value
Frequency
45-60Hz
Functional
Module
Pulse output
1
Interface
1* RS485; Modbus RTU communication protocol;
Baud rate: 1200-19200bps
DI
4
DO
2-4 (AC250/5A, DC30V/5A)
Power Supply
Working Range
AC: 85-265V; DC: 85-300V
Consumption
< 3W
Working
Condition
Temperature
Operating: -20
℃
~+70
℃
Storage: -40
℃
~+80
℃
Humidity
Relative Humidity: <93% (place without corrosive gas)
Altitude
<4000m
Cut-out Size
91×91mm
Installation
Panel installation
2.4 Wiring
2.4.1 Voltage, current, input terminal wiring instruction
A Three-phase four-wire connection (3LN, 3CT)
