Motor Circuit Protector ARD2F

ARD2F 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 an 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.

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Feature of Motor Circuit Protector ARD2F

● 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

 

Model Type
ARD2F LCD
Additional features Code Additional Features
Code
Start control (including ‘K’) Q Leakage Protection L
Switch input K 4~20mA analog output M
Temperature protection T Loss of pressure (anti-shake) SU（Including voltage and fault recording functions）
Alarm (programmable output) J SOE event record SR
Communication
Interface
 C:Modbus-RTU Voltage function (phase sequence, power, power factor) U
2C: 2 Modbus-RTU 2C tE time protection tE

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

● Communication: RS485 (Modbus-RTU)

 

Specification of Motor Circuit Protector ARD2F

Technical data of motor protector ARD2F
Auxiliary power supply of protector AC85V~265V/DC100V~350V, power consumption ≤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 contactor, 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%, no dew
Altitude ≤2000m
Class of pollution 2
Protection level IP20
Rated current of motor protector(A) current ratio setting Transformer primary side turns Setting current Is range(A) Motor Power(kW)
1 able to set 5 0.1~9999 0.12~440
5 1 0.1~9999 0.12~440
1.6 unable to set 1 0.4~1.6 0.12~0.55
6.3 1 1.6~6.3 0.75~2.2
25 1 6.3~25 3~11
100 1 25~100 15~45
250 1 63~250 55~132
800 1 250~800 160~440

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