ARD2F Series Motor Protection Relay
OVERVIEW
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.
MAIN PARAMETERS
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Technical parameters |
Index |
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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 |
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Rated working voltage of the motor |
AC220V / 380V / 660V,50Hz / 60Hz |
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Rated operating current of the motor |
1 (0.1A-5000A) |
External current transformer |
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5 (0.1A-5000A) |
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1.6 (0.4A-1.6A) |
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6.3 (1.6A-6.3A) |
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25(6.3A-25A) |
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100(25A-100A) |
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250(63A-250A) |
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800(250A-800A) |
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Relay output contact capacity |
Impedance load |
AC250V、10A |
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Switching input |
10 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional) |
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Communication |
MODBUS RTU communication,PROFIBUS_DP communication |
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Environment |
Working temperature |
-10ºC~55ºC |
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Storage temperature |
-25ºC~70ºC |
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Relative humidity |
≤95﹪No condensation, no corrosive gas |
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Altitude |
≤2000m |
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Pollution levels |
Class 3 |
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Protection grade |
Main body IP20, split display module IP54 (installed on the cabinet panel) |
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Installation category |
Level III |
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DIMENSION
BENEFITS AND ADVANTAGE
APPLICATION SCENARIOS

WIRING DIAGRAM
Auxiliary power
Voltage, current, leakage current signal input
Relay output
RS485 communication, DC4-20mA analog output, thermal resistance input
Switching input

14 Shut down
15 Starting 1
16 Starting 2
17 Emergency showdown
18 Reset
19 Control permissions 1
20 Control permissions 2
21 External fault protection input
22 programmable input
23 Public terminal
INSTALLATION INSTRUCTION




