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● LCD display with backlit● Unearthed AC,DC main circuits● IT systems including high leakage capacitances● Coupled IT systems
Auxiliary Power Supply
Voltage
AC85-265V
DC120-370V
Frequency
40-60Hz
Power Consumption
<8W
Voltage Range
System Voltage
AC/DC 0~480V
Output
Relay output
Capacity
Fault Warning
AC 250V/3A
DC 30V/3A
Fault alarm
Environment
Operating temperature
-15~+55℃
Storage temperature
-20~+70℃
Humidity
95%RH, without condensation
Altitude
≤2500m
Insulation monitoring
Measuring range
1k-10MΩ
Precision
1-10kΩ
10kΩ
10k-5MΩ
±10%
Early-warning range
1k~10MΩ
Alarm range
10k~Warning value
Response time(Ce=1uF)
<5s
Allowable system leakage capacitance
<500uF
Communication
Interface
RS485
Protocol
MODBUS-RTU
Internal parameter
Measuring voltage
<50V
Measuring current
<270uA
EMC
IEC61326-2-4
Rated impulse voltage /pollution level
8kV/Ⅲ
Internal DCresistance
≥180kΩ
