Smart Motor Protector ARD3T

● U, I, P, S, PF, F, EP, Leakage, PTC/NTC/PTC100/PT100/CU50

● Start control function

● 8 programmable DI

● 7 programmable DO

● Modbus-RTU or Profibus-DP communication

● 1 DC4-20mA analog output

● SOE

● Anti-shaking function

  • product detail
  • PARAMETER

General

ARD3T motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 380V and integrates protection, measurement, control, communication, operation and maintenance. Its perfect protection function ensures the safe operation of the motor, with logic programmable function, can meet a variety of control methods.


Characteristic

● Analog: 2M2

● Rated U and I: 660V, 800A


● Switch: 10DI/6DO




Features

① Protective Function

② Control Function: A variety of control methods, programmable input and output

③ Measurement, Monitoring: Three-phase voltage, current, active power, electric energy, leakage current, power factor, PTC/NTC

④ SOE

⑤ Communication: RS485 Modbus RTU or Profibus-DP



Dimension



Application




Typical Connection


Technical Parameters

Technical Indicators

Protector auxiliary power supply

AC/DC110/220V or AC380V, power comsumption 15VA

Rated working voltage of the motor

AC380V / 660V, 50Hz / 60Hz

Rated operating current of the motor

1 (0.1A-5000A)

Adopt measurement module

5 (0.1A-5000A)

25(6.3A-25A)

100(25A-100A)

250(63A-250A)

Adopt outlay current tansformer and measurement module

800(250A-800A)

Leakage

50mA-1A or 3A-30A

Adopt measurement module and leakage current transformer

Relay output contact capacity

Impedance load

AC250V、6A; DC24V、6A

Master switching input and output

4DI/4DO

Switching value module

4DI/3DO

Temperature module

Type of external sensor: PT100、PT1000、Cu50、PTC、NTC
Channel of the sensor: 3 channels
Sensor’s corresponding measurement range:

PT100/PT1000: -50°C~+500°C; Cu50: -50°C~+150°C; PTC/NTC: 100Ω~30kΩ

Analog module

2-channel 4-20mA input and 2-channel 4-20mA output

Master communiction

RS485 Modbus_RTU

Communication module

Double RS485 Modbus_RTU, Profibus_DP

Environment

Working temperature

-10ºC~55ºC

Storage temperature

-25ºC~70ºC

Relative humidity

≤95﹪No condensation, no corrosive gas

Altitude

≤2000m

Pollution levels

Class 3

Protection grade

Main body IP20, split display module IP45 (installed on the cabinet panel)

Installation category

Level III


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