| Customization: | Available |
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| After-sales Service: | 2 Years |
| Warranty: | 2 Years |
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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.
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Technical parameters
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Technical indicators
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Auxiliary power supply
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AC85-265V/DC100-350V
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Rated working voltage of the motor
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AC220V / 380V / 660V,50Hz / 60Hz
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Rated operating current of the motor |
1 (0.1A-5000A)
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Integrated/Split current transformer |
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5 (0.1A-5000A)
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25A(6.3A-25A)
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100A(25A-100A)
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250A(63A~250A)
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Special current transformers |
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800A(250A~800A)
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Relay output contact
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Impedance load
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AC250V, 10A
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Communication
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RS485(Modbus RTU),Profibus DP(Optional CP Code)
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Environment |
Working temperature
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-10ºC~+55ºC
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Storage temperature
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-25ºC~+70ºC
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Relative humidity
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≤95 No condensation, no corrosive
gas |
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Altitude
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≤2000m
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Pollution levels
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Class 3
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Protection level
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IP65(installed on the cabinet panel)
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Installation category
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Class III
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Switching input
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8 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional), Optional K code
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| Function | Item | ARD3M |
| Application occasions | Low Voltage 0.4KV~1.14KV Motor Protection | |
| Rated Current | 1(ratio)(0.1-5000A) 5(ratio)(0.1-5000A) 25(6.3-25A) 100(25-100A) 250(63-250A) 800(250-800A) |
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| Dimension | Panel mm | 98*60 |
| Cut-out mm | 92*55 | |
| Protection | Startup timeout | Yes |
| Over-load | Yes | |
| Under-load | Yes | |
| Short Circuit | Yes | |
| Stall | Yes | |
| Block | Yes | |
| Current Unbalance | Yes | |
| Voltage Unbalance | Yes | |
| External Fault | Yes | |
| Structural Failure | No | |
| Internal Fault | No | |
| Over-voltage | Yes | |
| Under-voltage | Yes | |
| Over-power | Yes | |
| Under-power | Yes | |
| Lack of phase | Yes | |
| Phase Sequence | Yes | |
| TE | Yes | |
| Temperature | Yes | |
| Multi-channel temperature protection | ||
| Overflow protection | Yes | |
| Insulation monitoring | Yes | |
| Number of starts alarm | Yes | |
| Running time alarm | Yes | |
| Number of fault alarm | Yes | |
| Anti-shake | Optional | |
| Analog input protection | No | |
| Grounded | Yes | |
| Leakage Current | Optional | |
| Communication | Modbus-RTU | No |
| 2 Channels of Modbus-RTU | Yes | |
| Profibus-DP | Optional | |
| 2 Channels of Profibus-DP | Optional | |
| Profinet | Optional | |
| Modbus-TCP | Optional | |
| WIFI | Optional | |
| Signal | DI | 10+ |
| DO | 6+ | |
| Start control | Yes | |
| 4-20mA Output | Optional | |
| 2 channels of 4-20mA Output | Optional | |
| Fault Record | 8 | Optional |
| Running Record | 5h | Optional |
| Waveform Record | 40 | Optional |
| DI Displacement Record | 8 | Yes |
| Start and stop Records | 8 | Yes |
| Restart Record | 8 | Yes |
| Logic function | Timer | No |
| Counter | No | |
| Truth table | No | |
| Logic diagram | No | |
| Measure | Three-phase current | Yes |
| Leakage current | Optional | |
| Three-phase voltage | Yes | |
| Positive sequence negative sequence zero-sequence current | Yes | |
| Positive sequence negative sequence zero-sequence voltage | Yes | |
| Active power, Apparent power | Yes | |
| Reactive power | Yes | |
| Frequency | Yes | |
| Active energy | Yes | |
| Reactive energy | Yes | |
| 2-63st Harmonic | Optional | |
| PTC/NTC | Yes | |
| 4-20mA Input | No | |
| Temperature | No | |
| Display | LED | No |
| Monochrome LCD | Optional | |
| Color LCD | Optional | |
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