Smart Motor Protector

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“ For over 4 years working with Acrel, they have continuously demonstrated excellent technical ability while ensuring superior customer service. Their collaborative approach and real time flexibility in adapting to changing conditions has contributed to the success of many project goals. "

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Philippines
Cloud Platform for Power IoT is a synchronous integrated solution from energy meter installation to web interactive interface that can see the benefits of features with the first click mouse. Very convenient and fast. I will be with this product for a long time.

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Vietnam

Highlight

What’s the Function of Acrel ARD2F Series Smart Motor Protector?

Measure

U I P Q S PF F EP EQ
2-63^rd Harmonic
Leakage Current
Phase Unbalance

Communication

1 / 2 channels of Modbus-RTU
Profibus DPV1
Modbus-RTU + Profibus-DP

Control

Protection mode
Direct start mode
Two-step mode
Two-speed mode
Y-△ start mode
Voltage loss restart
Switching input 9DI
Relay output 2DO /5DO
Analog output DC4-20mA

Protect

Inverse time overload
Starting timeout
Phase loss
Voltage, Current unbalance
Locked-Rotor
Under Load, Power, Voltage
Over Power, Voltage
Phase sequence
Grounding, Leakage Residual current

Specification

What’s the Specification of Acrel ARD2F Series Smart Motor Protector?

The corresponding relation between ARD2F current specification and the rated current and power of the applicable motor is shown in Table 1:

Protector current specification(A)	Ratio setting	Primary side coil number of transformers	Applicable scope of motor (kW)	Suitable for motor Rated current range(A)
1	Support	5	0.12-999	0.1-5000
5	Support	1	0.12-999	0.5-5000
1.6	Does not support	l	0.12-0.55	0.4-1.6
6.3		1	0.75-2.2	1.6-6.3
25		l	3-11	6.3-25
100		l	15-45	25-100
250		l	55-132	63-250
800		1	160-250

Additional features of ARD2F are shown in Table 2:

Additional function		Code	Additional function		Code
Starting control(including K function)			Leakage protection		L
Switching input		人	4-20mA analog output		M
Temperature protection		T	Anti-electric shock function		SU
Alarm (Programmable output)		J	SOE event record		SR
1 channel communication	Modbus RTU		2 channels communication	2路Modbus RTU	2C
	Profibus DP	CP		Modbus+Profibus	CCP
Voltage function (phase sequence, power, power factor)		II	tE time protection		tE
Energy metering		Ep

See Table 3 for the ARD2F display module:

Display module	code
90L	LCD display, module size 98×60,opening 92×55(unit:mm)

Parameter

What’s the Parameter of Acrel ARD2F Series Smart Motor Protector?

Technical parameters	Technical indicators
Protector auxiliary power supply	Support two power modules, AC 220V power module (AC85-265V/DC100-300V) default, AC 380V power module (AC/DC100-415V) optional
Rated working voltage of the motor	AC220V / 380V / 660V，50Hz / 60Hz
Rated operating current of the motor	1 (0.1A-5000A)	External current transformer
	5 (0.1A-5000A)
	1.6 (0.4A-1.6A)
	6.3 (1.6A-6.3A)
	25（6.3A-25A）
	100（25A-100A）
	250（63A-250A）
	800（250A-800A）
Relay output contact capacity	Impedance load	AC250V、10A
Switching input	10 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional)
Communication	MODBUS RTU communication, PROFIBUS_DP communication
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

Networking

How does Acrel ARD2F Series Smart Motor Protector work?

Installation

How to Install the Acrel ARD2F Series Smart Motor Protector?

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