Technical Specifications
Rated power: 0.75kW. Input voltage: 380-480V AC 3-phase. Output current: 2.1A. Output frequency: 0.5Hz to 400Hz. Control mode: V/Hz scalar. Overload capacity: 150% for 60s. Operating temperature range: -10°C to +50°C. Protection rating: IP20.
Functional Features
Compact design for cabinet installation. V/Hz control for simple speed regulation. Built-in motor protection functions. Integrated brake chopper. Keypad operator interface with status display.
Application Scenarios
It controls speed of conveyor drives, fan motors, pump systems, mixers and simple variable-speed industrial applications.
Performance Parameters
Speed range: 1:800. Starting torque: 150% at 5Hz. Speed regulation: ±2% rated slip. Efficiency: 94% @ rated load. Operating temperature range: -10°C to +50°C.
Material Composition
Chassis: sheet steel with powder coating. Power stage: IGBT modules. Heat sink: extruded aluminum. Control board: FR-4 PCB.
Structural Characteristics
It features book-style chassis, front operator keypad with display, terminal block connections, integrated cooling fan, and mounting feet.
Working Principle
It rectifies 3-phase AC input to DC, then inverts to variable-voltage variable-frequency AC output via IGBT power stage. V/Hz control maintains constant magnetic flux in the motor for simple speed regulation.
Installation Requirements
Mount vertically with specified clearances. Use appropriately sized power and motor cables. Connect PE ground. Install external brake resistor if required.
Usage Notes
Disconnect power and wait for discharge before servicing. Do not exceed overload duty cycle. Keep heat sink clear of dust. Verify motor parameters match drive settings.
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