ARD3T Motor Protection Controller

short description:

● 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

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Product Detail

Product Tags

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.

Functional features

Parameters

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