1 PCS used Delta Inverter VFD055F43B#LYQ007
1 PCS used Delta Inverter VFD055F43B#LYQ007
1 PCS used Delta Inverter VFD055F43B#LYQ007
Original Factory Precision Parameters (Model: Delta Inverter VFD055F43B)
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Parameter Category
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Parameter Name
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VFD055F43B Specification
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Basic Information
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Product Model
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VFD055F43B; Delta Genuine Original Inverter, 100% unused and unrefurbished genuine parts; 3-phase 400V class, 5.5kW rated power
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Manufacturer Standard
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Manufactured by Delta; Compliant with CE, UL, CUL, EN 61010-1, IEC 61800-5-1 Standards; Conforms to Delta Internal Technical and Quality Norms
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Product Application
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Plastic Molding Equipment, Die Casting Machinery, Fans & Pumps, Conveyor Systems, Packaging Machinery, Small Processing Equipment, Industrial AC Motor Speed Control, Small and Medium-sized Industrial Automation Production Lines, etc.
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Core Frequency Conversion & Speed Regulation Parameters
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Control Type
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V/F Control, SVC (Sensorless Vector Control); Multi-control mode switchable to adapt to different small and medium-sized load application scenarios
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Rated Power
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5.5 kW (7.5 HP); Consistent with Delta original factory calibration, ±1% precision
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Input Voltage
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3-phase AC 380~480 V; Voltage Tolerance: ±10%; Frequency: 47~63 Hz (Automatic Adaptation)
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Output Voltage
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3-phase AC 0~480 V; Proportional to input voltage and frequency, stepless adjustable
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Output Frequency Range
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General Load: 0.01~600.00 Hz; Heavy Load: 0.00~300.00 Hz; Stepless frequency regulation, suitable for small and medium-sized load speed control
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Frequency Precision
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Digital Command: ±0.01% (-10℃~+40℃); Analog Command: ±0.1% (25±10℃); High precision frequency control
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Frequency Resolution
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Digital Command: 0.01 Hz; Analog Command: 0.03% of maximum output frequency (±11 bit)
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Starting Torque
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0.5 Hz: ≥150% rated torque; SVC mode: 0 Hz: ≥150% rated torque, strong starting performance for small and medium-sized loads
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Core Electrical Parameters
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Rated Input Current
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12.5 A; Rated working current, ±1% precision, ensure stable power input
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Rated Output Current
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13 A; Continuous output current, compatible with 5.5 kW AC motor
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Overload Tolerance
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General Load: 120% rated output current for 60 seconds; Heavy Load: 150% rated output current for 60 seconds; Automatic protection after overload
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Carrier Frequency
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Heavy Load: 2~6 kHz; General Load: 2~15 kHz; Adjustable, reduce motor noise, suitable for quiet operation scenarios
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Frequency Setting Signal
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Analog Input: +10V~-10V, 0~+10V, 4~20mA, 0~20mA; Digital Input: Multi-channel optional, flexible setting for small and medium-sized equipment
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Acceleration/Deceleration Time
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Acceleration Time: 0.00~600.00 seconds; Deceleration Time: 0.0~6000.0 seconds; Stepless adjustable, S-curve acceleration/deceleration optional
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Insulation Resistance
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≥100 MΩ (500 V DC); Good insulation performance, safe and reliable for small and medium-sized industrial scenarios
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Dielectric Strength
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AC 1500 V, 50 Hz, 1 minute; No breakdown, no arcing; Ensure electrical safety
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Protection & Safety Parameters
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Over-temperature Protection
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Inverter internal temperature ≥85℃: Alarm; ≥90℃: Cut off output and power supply; Prevent inverter damage caused by overheating
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Over-voltage Protection
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Input/Output Voltage ≥528 V: Alarm and cut off power supply; Avoid component damage caused by voltage surge
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Under-voltage Protection
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Input Voltage ≤342 V: Alarm and cut off power supply; Avoid abnormal operation caused by low voltage
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Over-current Protection
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Output Current ≥19.5 A: Alarm and cut off output; Protect inverter circuit and motor from over-current damage
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Short-circuit Protection
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Output short-circuit: Instantaneous cut off power supply and alarm; Prevent fire and inverter burnout caused by short-circuit
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ESD Protection
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±8 kV (Contact), ±15 kV (Air); Effectively protect the inverter from static damage, ensure stable operation in electronic manufacturing environments
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Over-torque Protection
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Maximum torque current: 200% rated torque current; Over-torque detection and alarm, protect small and medium-sized motor and equipment
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Other Protections
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Motor over-temperature protection, ground fault protection, input/output phase loss protection, memory loss protection; Comprehensive protection, safe and reliable
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Environmental & Structural Parameters
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Operating Temperature
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-10℃ ~ 55℃; Derating 1% per °C when exceeding 45℃; Adapt to various small and medium-sized industrial working environments, 50℃ high temperature resistant operation
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Storage Temperature
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-20℃ ~ 65℃; Stable storage performance, no performance degradation after long-term storage in warehouse or transportation
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Relative Humidity
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5% ~ 95% (Non-Condensing); Resisting humid industrial environments, no short circuit or malfunction risk
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Structure Material
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Industrial-Grade FR-4 Circuit Board + Metal Shell; Anti-corrosion, anti-oxidation, high mechanical strength; Protective coating treatment, dust-proof design (IP20), suitable for cabinet installation in small and medium-sized equipment
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Cooling Mode
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Forced air cooling (detachable fan); Efficient heat dissipation, ensure long-term stable operation; Fan fault alarm function, suitable for continuous operation scenarios
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Interface & Compatibility Parameters
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Communication Interface
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Standard RS485 (RJ45) Interface; Support Modbus Communication Protocol; Baud Rate: Up to 115.2 kbps; Realize remote monitoring and control for small and medium-sized automation systems
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Control Interface
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Digital Input/Output Interface; Programmable, convenient for external control and expansion; Support 3-wire control, 16-speed control (including main speed), suitable for small and medium-sized equipment control
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Configuration Interface
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Digital Operator Interface (hot-swappable); Convenient for parameter setting, status monitoring and fault query; Parameter copy function supported, easy for batch configuration
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Equipment Compatibility
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Suitable for 3-phase AC asynchronous motors and synchronous motors; Compatible with various Delta control systems; Matching 5.5 kW motors with 3-phase 380~480 V input, strong compatibility for small and medium-sized equipment
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Functional Parameters
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V/F Curve
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4-point arbitrary V/F curve & 2nd power curve; Adjustable, adapt to different small and medium-sized load characteristics (such as fan, pump, processing equipment)
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Speed Response Ability
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General mode: 5 Hz; Vector control mode: Up to 40 Hz; Fast speed response, ensure stable operation of small and medium-sized motors
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Torque Precision
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±5% rated torque; High torque control precision, suitable for small and medium-sized torque control scenarios (such as small processing equipment)
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Special Functions
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Zero servo control, instantaneous power failure restart, speed search, PID control (with sleep function), energy-saving control, abnormal restart, automatic tuning (rotational, stationary), dwell, slip compensation, torque compensation, JOG frequency setting, suitable for small and medium-sized industrial application scenarios
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