Acrel Ard3 Intelligent Motor Protection Controller

• Customization: Available
• Task: Adjust
• Structure: Open-Loop
• Model NO.: ARD3
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control, Protection, Monitoring, Measurement
• Certification: RoHS, CCC, CE
• Condition: New
• Customized: Customized
• Rated Voltage: 660V
• Protocol: Modbus-RTU or Profibus-Dp
• Measure: Voltage, Current, Power, Harmonic, Temperature
• Di: 9 Programmable Di
• Do: 5 Programmable Do
• Output: 1 DC4-20mA Analog Output
• Transport Package: Carton
• Specification: ARD3M
• Trademark: Acrel
• Origin: China
• HS Code: 8536300000
• Production Capacity: 200000
• Package Size: 17.00cm * 15.00cm * 13.00cm
• Package Gross Weight: 1.000kg

Product Description

Acrel Three Phase ARD3 Smart Motor Protection Relay

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

16 protect function

Start control function

9 programmable DI

5 programmable DO

Modbus-RTU or Profibus-DP communication

1 DC4-20mA analog output

20 fault record

Anti-shaking function
 

ARD3 smart motor protectors can protect motors from many faults during the motor running and display the running state clearly and intuitively through LCD.The protector has RS485 remote communication interface and DC4-20mA analog output, which is convenient to form a network system together with control machines like PLC and PC.
 

Dimension

 

 

Networking

 

Specification

Technical parameters	Technical indicators
Protector auxiliary power supply	AC85-265V/DC100-350V,power consumption 15VA
The rated working voltage of the motor	AC380V / 660V, 50Hz / 60Hz
Rated operating current of the motor	1 (0.1A-5000A)	Small special current transformers
	5 (0.1A-5000A)
	25(6.3A-25A)
	100(25A-100A)
	250(63A-250A)	Special current transformers
	800(250A-800A)
Relay output contact capacity	Impedance load	AC250V,10A
Relay output contactor, rated negative capacity	5 channels,AC 250V 6A
Switching input	9 channels, optocoupler isolation
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 2
Protection grade	Main body IP20, split display module IP54 (installed on the cabinet panel)
Installation category	Level III

Accuracy	U, I: Class 1.5
Frequency	Range: 45-65Hz
Auxiliary power supply	AC85V-265V/DC100V-350V
SOE event recorder	Record 8 fault messages
Installation	Main body: DIN 35mm
	Display unit: Panel mounted
Dimension(L*W*H)	81.5mm*86mm*90mm

 

 

Application

Company Profile

Acrel Co., Ltd.[stock code: 300286.SZ] is a high-tech enterprise that integrates R&D, production, sales, and service, since its establishment, is committed to providing users with energy efficiency management and powerful security system solutions. Acrel Electric has a complete production line from cloud platform software to sensors. 

Acrel energy efficiency management system including substation operations and maintenance cloud platform, electricity safety management cloud platform, Environmental equipment power consumption monitoring cloud platform, prepaid management (system) cloud platform, intelligent power distribution monitoring system, power quality management system, building energy consumption management system, industrial energy control platform, leakage power monitor and control system, fire-fighting device power monitoring system, fire-proof door monitoring system, emergency lighting and evacuation indicating system, EV charger management system, data center power&environment monitoring system, smart lighting control system, IT isolation power supply system and related products.

The company attaches great importance to product quality and innovation. By the end of 2018, the company has 5 trademarks, 18 invention patents, 72 utility model patents, 94 appearance patents, and 147 computer software Copyrights, and has participated in the formulation of national or industrial standards.