AIM-T500 Insulation Monitoring Device

Industrial IT Isolated Power System

● AC, DC main circuits

● AC/DC main circuits with directly connected DC components, such as rectifiers

● Systems with switch-mode power supplies

● Systems with high leakage capacitances

  • product detail
  • PARAMETER

General

AIM-T500 insulation monitoring device is designed and developed by Acrel gathering the design experience of electric power meter industry for many years to monitor the insulation condition of low voltage IT distribution system (ungrounded system). The product adopts advanced micro controller technology, with high degree of integration, compact size and easy installation, and it integrates intelligence, digitalization and networking.

The device, with many functions such as insulation fault warning, fault alarm, event recording and so on, can be used in the mines, glass factories, electric furnaces and test facilities, metallurgical plants, chemical plants, and exploded dangerous places, computer center, emergency power supply and other places to monitor the insulation status of IT system in real time. When insulation fault occurs, it will alarm and remind the staff to check the fault.


Function

Function

Description

Function Provide

Insulation monitoring

Real-time monitoring

Fault warning

Fault Alarm

Disconnect Alarm

Communicationinterface

RS485

Protocol

MODBUS-RTU

Applicable Power supply system

AC

√(note1)

DC

√(note2)

ACandDC

√(note3)

Display

128x64bit LCD

Historical data

20SOErecords

UI language

Chinese

English

Reset

manually

automatically


Display


Dimension

Front view  & Side view


Back view & Panel cut-out


Wiring


Application

Industry fields such as mines, glass plants, electric furnaces and test facilities, metallurgical plants, chemical plants, and exploded dangerous places, computer center and emergency power supply up to 450V.

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

AC 250V/3A

DC 30V/3A

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


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