ARD2M Over Load Intelligent Motor Protection Relay

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LOCATION : HOME - PRODUCTS - Power monitoring and protection - Smart motor protector

● U, I, P, S, PF, F, EP, Leakage, PTC/NTC
● Start control function
● 8 programmable DI
● 5 programmable DO
● Modbus-RTU or Profibus-DP communication
● 1 DC4-20mA analog output
● SOE
● Anti-shaking function

PRODUCTS

General

ARD2M 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

①Protective function

②Control function

A variety of control methods, programmable input and output

③Measurement, monitoring

Three-phase voltage, current, active power, electric energy, leakage current, power factor, PTC/NTC

④SOE

⑤Communication

RS485 Modbus RTU or Profibus-DP

Dimensions

Typical Connection

Application

Technical parameters	Technical indicators
Protector auxiliary power supply	AC85-265V/DC100-350V
Rated working voltage of the motor	AC220V / 380V, 50Hz / 60Hz
Rated operating current of the motor	1 (0.1A-5000A)	Integrated/Split current transformer
	5 (0.1A-5000A)
	25（6.3A-25A）
	100（25A-100A）
	250（63A-250A）	Split current transformer
	800（250A-800A）
Relay output contact capacity	Impedance load	AC250V、10A
Switching input	8 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional)
Communication	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 IP54 (installed on the cabinet panel)
Installation category	Level III

Front View Left view
Top view
4.2 Installation dimension of protector display unit
Installation dimensions of transformer
Current Transformer (0.1A-100A)
Current Transformer (63A-250A)
Current Transformer (250A-800A)
Zero sequence current transformer