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Acrel ARD2F Series Smart Motor Protection Relay

1 DC4-20mA analog output

U, I, P, S, PF, F, EP, Leakage, PTC/NTC

16 protect function

Start control function

Modbus-RTU or Profibus-DP communication

9 programmable DI

5 programmable DO

008618702112136

sherry@acrel.cn

8618702112136

Acrel ARD2F Series Smart Motor Protection Relay

description1

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Description

General

ARD2F intelligent motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 660V 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.

Accuracy: U, I: Class 1.5
Frequency: 45-65Hz
Auxiliary power supply: AC85V-265V/DC100V-350V
SOE event recorder: Record 8 fault messages

Main Function
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

④Operation and maintenance records

⑤Communication

⑥Human-computer interaction

Dimensions (unit:mm)

Installation:

1. Main body: DIN 35mm

2. Display unit: Panel mounted

Wiring Diagram

Typical Connection

Application

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

4.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 ARD2F
ARD2F Manual

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