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https://www.acrelenergy.com/products/ard-2-intelligent-motor-protection-relay/

ARD 2F Intelligent Motor Protection Relay

Smart Motor Protector ARD2 Series (hereinafter referred to as Protector) utilizes advanced single chip technology and is featured in the strong anti-interference, stable and reliable running, digitalization, intelligence and networking. The protector can protect the motor from timeout startup, overload, phase failure, unbalance, under-load, earth leakage, blocking, short circuit, external fault and other abnormalities during the running and provide the SOE fault event recorder to help maintenance stuff find causes. It is applicable for coal mines, petrochemical industry, metallurgical industry, power industry, shipbuilding, civil building and other fields. 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 to realize the remote monitoring of motor.

Technical Parameters of ARD 2F Smart Open Motor Protector
CodeOptional functionCodeOptional function
QStarting control (including KLLeakage protection
function)
K9 circuits of switching inputM4-20mA analog output
TTemperature protectionSUAnti-electric shock function
JAlarm (Programmable output)SRSOE event record
C1 channel of Modbus-RTU communication2C2 channels of Modbus-RTU communication
CP1 channel of Profibus-DP communicationCCP2 channels of communication: Modbus+Profibus
UVoltage function (phase sequence,tEtE time protection
power, power factor)
EpEnergy metering90LDisplay module
UTUtility tunnel
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