ARD3M Series Motor Protection Relay
OVERVIEW
The ARD3M 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. Different communication modules can be selected to meet the needs of field communication.
Its perfect protection function ensures the safe operation of the motor, with logic programmable function, can meet a variety of control methods.Different communication modules can be selected to meet the needs of field communication.
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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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 |
Standard supplied |
2channel MODBUS RTU communication |
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Optional（only one can be selected） |
1-2 channel PROFIBUS DPV1communication / 1 channel PROFINET communication / Ethernet communication（MODBUS TCP protocol） |
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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
APPLICATION SCENARIOS
WIRING DIAGRAM
INSTALLATION INSTRUCTION
