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4 Technical parameters
Item
Parameter
Accessory power supply
AC 85~265V; DC100~300V; 50/60Hz
Power dissipation
< 8W
System voltage
AC 0~690V; DC 0~800V; 40~460Hz
System application
IT system (online), Other system (offline)
Insulation
monitoring
Measuring range
1k~10MΩ
Alarm range
10k~10MΩ
Resistance accuracy
1~10k,1k; 10k~10M, ±10%
system leakage capacitance
<500μF
Response time (Ce=1μF)
<5s
Internal
parameters
Measuring voltage
<50V
Measuring current
<270μA
Internal DC impedance
≥180kΩ
Relay output
Error, Alarm, Warning
SOE
20 records (fault type, fault value, fault time)
Alarm type
LCD, LED indicator
Communication
RS485, Modbus-RTU
Impulse voltage / Pollution Level
8kV/Ⅲ
EMC/ Radiation
IEC61326-2-4
Environment
Working temperature
-10 ~+65℃
Storage temperature
-20~+70℃
Relative humidity
<95%, without condensation
Altitude
≤2500m
5 Reference standards
■
IEC 61557-8
Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c. -
Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring
devices for IT systems
■
IEC 61326-2-4
Electrical equipment for measurement, control and laboratory use - EMC
requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and
performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment
for insulation fault location according to IEC 61557-9
6 Installation and connection
6.1 Shape and size
AIM-T500 externality and installation size (unit: mm)
