Low Voltage Motor Protector ARD2(L)

● Suitable for motors with rated voltage of AC380V/660V;

● Optional leakage protection, RS485 communication, analog output, etc.
● 2 channels DI passive dry node input, signal power supply with built-in DC24V power supply;
● 4 channels DO output.
● Communication: RS485 (Modbus-RTU)
● Display: 4 digitals LED display
● Rated U and I: AC380/660V, rated current up to 800A

+86 18761509710

esty.chen@email.acrel.cn

8618761509710

Low Voltage Motor Protector ARD2(L)

ARD2.pdf

110 ARD Series Smart Motor Protector V2.6.pdf

description1

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product detail

General

ARD2 smart motor protector can protect the motor during the running and provide the SOE fault event recorder. It is equipped with the RS485 remote communication interface and the DC4-20mA analog output, which is convenient to form a network system together with control machines like PLC and PC.

Function

Model	Type
ARD2	LED
ARD2L	LCD
Additional features	Code
RS485(Modbus-RTU)	C
Leakage protection	L
4～20mA analog output	M
2 switch input; 1 relay output (programmable 3)	L
SOE record	SR
Alarm (programmable 2)	J

● Accuracy: Class 0.5
● Frequency Range: 45-65Hz
● Auxiliary power supply: AC85V~265V/DC100V~350V
● Pulse output: 1600-160000imp/kWh
● Power consumption≤10VA
● Installation: Panel mounted
● Dimension(L*W*H): 96*78.5*48mm

● Communication: RS485 (Modbus-RTU)

Front Panel

Installation Dimension

Installation dimensions of protector(Unit: mm)

Installation dimensions of transformer

Description of LED display

When install the meter, loosen the locking screw of the fixing bracket, remove the fixing bracket, insert the instrument into the mounting hole, install the fixing bracket and tighten the screw to make the instrument be firmly installed without loosening.Shape for clamp reed squeeze installation.

Typical Connection

PARAMETER

Parameter	Technical specification
Auxiliary power supply	AC85-265V/DC100-300V, power consumption≤7VA
Rated voltage	AC380V/660V, 50Hz/60Hz
Rated current	1A（0.1-999.9A）	Specific current transformer
	5A（0.1-999.9A）
	1.6A（0.4-1.6A）
	6.3A（1.6-6.3A）
	25A（6.3-25A）
	100A（25-100A）
	250A（63-250A）
	800A（250-800A）
Relay output contactor Rated negative capacity	4 channels, AC250V, 3A
Switching input	2 channels，opto-coupler isolation
Communication	Standard	RS485（Modbus-RTU）
	Option（choose one）	1 or 2 channels Profibus DPV1 1 channel Profinet Ethernet（Modbus TCP）
Environment	Operation temperature	-10℃~+55℃
	Storage temperature	-20℃~+65℃
	Relative humidity	≤95%（No condensation）
	Altitude	≤2000m
Class of pollution	Level 2
Protection level	Main module IP20
Installation category	Class III

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