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Acrel ARD2 Series Smart Motor Protection Relay

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

008618702112136

sherry@acrel.cn

8618702112136

Acrel ARD2 Series Smart Motor Protection Relay

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Description

General

ARD2 smart Motor Protector is suitable for motors with rated voltage of AC380V/660V, it can protect the motor within rated current range from timeout start-up,overload, blocking, short circuit, under load, unbalance, phase failure and so on.

Accuracy: Active energy: Class 0.5
Frequency: 45-65Hz
Auxiliary power supply: AC/DC 85~265V
Pulse output: 1600-160000imp/kWh
Consumption:
Voltage: Power consumption <0.5VA;
Current: Power consumption< 0.5VA;
Auxiliary power supply:power consumption≤10VA

Dimensions (unit:mm)

Installation: Panel mounted
Dimension(L*W*H): 96mm*78.5mm*48mm

Wiring Diagram

Application

ARD Standard configured with CT,1A/5A specification

Parameters

Design serial number	Specification
2	LED display

Rated current of current transformer,A	Ratio setting	Number of turns at the primary side of transformer	Range of setting currentIs,A	Power of motor,kW
1	yes	5	0.1~9999	0.12~440
5	yes	1	0.1~9999	0.12~440
1.6	no		0.4~1.6	0.12~0.55
6.3			1.6~6.3	0.75-2.2
25			6.3~25	3~11
100			25~100	15-45
250			63~250	55~132
800			250-800	160-440

Technical parameters	Technical specification
Auxiliary power supply of protector	AC85V~265V/DC100V~350V,powerconsumption≤7VA
Rated working voltage of motor	AC380V/AC660V,50H/60Hz
Rated working current of motor	1A(0.1~9999)	Small specific current transformer
	5A(0.1~9999)
	1.6A(0.4A—1.6A)
	6.3A(1.6A~6.3A)
	25A(6.3A~25A)
	100A(25A~100A
	250A(63A-250A)	Specific current transformer
	800A(250A~800A)
Relay output contact or, rated load capacity	4-way,AC250V,3A,DC30V,3A
Switching input	2-way,optical isolation
Communication	RS485 Modbus
Volume of SOE event recorder	8 events
Environment	Working temperature	-10℃-55℃
	Storage temperature	-20℃-65℃
	Relative humidity	5%-95%,nodew
	Altitude	≤2000m
Class of pollution	2
Protection level	IP20

Model Selection

Shape&Cut-out	Type	Function	Option
Panel Size: 96x48mm Cut-out: 91x44mm	ARD2-1	It can protect the motor within rated current range from timeout start-up, overload, blocking,short circuit, under load, unbalance, phase failure and so on. LED display	1./J:Alarm 2./C:RS485(Modbus-RTU) 3./L:Leakage protection (Please refer to model list) 4./M:4-20mA analog output 5./K:2DI,1channel relay output 6./SR:SOE record
	ARD2-5
	ARD2-1.6
	ARD2-6.3
	ARD2-25
	ARD2-100
	ARD2-250
	ARD2-800

Download

CE of ARD2
ARD2 Manual

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