| Customization: | Available |
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| Accuracy Active Energy: | Class 0.5 |
| Auxiliary Power Supply: | AC/DC85-265V |
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ARD series intelligent motor protector (hereinafter referred to as protector) can perform various conditions such as start timeout, overload, phase failure, unbalance, underload, ground/leakage, blockage, short circuit and external fault during motor operation. Protection, and SOE fault event recording function, convenient for on-site maintenance personnel to find the cause of the fault. Suitable for coal, petrochemical, smelting, electric power, ships, and civil construction. The protector has RS485 remote communication interface, DC 4 ~ 20mA analog output, and PLC, PC and other control machines form a network system. Remote monitoring of motor operation.
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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 |
1A(0.1A~999.9A)
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Small special current transformers |
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5A(0.1A~999.9A)
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1.6A(0.4A~1.6A)
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6.3A(1.6A~6.3A)
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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 contactor, rated load capacity
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4 Channel, AC250V, 3A |
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Switching input
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2 channels, opto-coupler isolation (Optional K code)
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Communication
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RS485(Modbus RTU)
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Environment |
Working temperature
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-10ºC~+55ºC
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Storage temperature
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-20ºC~+65ºC
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Relative humidity
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5%~95%(No condensation)
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Altitude
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≤2000m
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Pollution levels
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Class 2
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Protection level
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Main module IP20
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Installation category
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Class III
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| Technical parameters | Technical specification | |
| 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 | -10ºC-55ºC |
| Storage temperature | -20ºC-65ºC | |
| Relative humidity | 5%-95%, no dew | |
| Altitude | ≤2000m | |
| Class of pollution | 2 | |
| Protection level | IP20 | |
| Rated current of current transformer, A | Ratio setting | Number of turns at the primary side of transformer | Range of setting current Is, A | Power of motor, kW |
| 1 | Yes | 5 | 0.1~9999 | 0.12~440 |
| 5 | 1 | 0.1~9999 | 0.12~440 | |
| 1.6 | No | 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 |
| Additional function | Code | Additional function | Code |
| Communication interface | C | 2-way switching input, 1-way relay output (programmable 3) | K |
| Leakage protection | L | SOE event recorder | SR |
| Analog output 4-20mA | M | Alarm output (programmable 2) | J |
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