● AC/DC main circuits with directly connected DC components, such as rectifiers
● Systems with switch-mode power supplies
Application
Characteristic






Auxiliary Power Supply |
Voltage |
AC85-265V |
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Frequency |
40-60Hz |
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Power Consumption |
<8W |
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Voltage Range |
System Voltage |
AC/DC 0~480V |
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Output |
Relay output |
Capacity |
Fault Warning |
AC 250V/3A |
Fault alarm |
AC 250V/3A |
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Environment |
Operating temperature |
-20~+60℃ |
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Storage temperature |
-20~+70℃ |
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Humidity |
95%RH, without condensation |
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Altitude |
≤2500m |
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Insulation monitoring |
Measuring range |
1k-5MΩ |
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Precision |
1-10k |
10k |
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10k-5M |
10% |
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Early-warning range |
60k~4999Ω |
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Alarm range |
10k~Warning value |
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Response time |
<6s |
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Allowable system leakage capacitance |
<150uF |
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Communication |
Interface |
RS485 |
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Protocol |
MODBUS-RTU |
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Internal parameters |
Measuring current |
<170uA |
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EMC |
IEC61326-2-4 |
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Rated impulse voltage /pollution level |
8kV/Ⅲ |
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Internal DC resistance |
≥120kΩ |