Parker LA471160U540

Technical Specifications

• Nominal Output Power Rating: 400 kW single-phase output
• DC Bus Operating Voltage: 500 V DC nominal
• AC Input Compatibility: 380 VAC ~ 460 VAC three-phase industrial mains
• Rated Continuous Output Current: 680 A RMS
• Peak Short-Circuit Withstand Current: 1200 A for 100ms
• Operating Temperature Range: -10°C ~ +60°C ambient
• Storage Temperature Range: -20°C ~ +80°C
• Humidity Tolerance: 5% ~ 95% RH non-condensing
• Internal Cooling: Integrated variable speed axial cooling fan
• Control Connector: 10-way gold-plated signal terminal connector
• Enclosure Protection Rating: IP20 internal drive cabinet installation
• Total Module Weight: 11.8 kg

Function Features

1. High-power IGBT switching circuit for heavy-duty motor variable frequency speed control
2. Integrated variable speed cooling fan with temperature-based automatic fan speed regulation
3. Multi-channel diagnostic LED indicators for DC bus voltage, overcurrent, overheat and gate drive fault status
4. Short-circuit, overvoltage, undervoltage, overcurrent and overheat hardware fault protection
5. Direct plug-in mechanical compatibility with all AC890PX drive cabinet module slots

Performance Parameters

• IGBT switching frequency: 2kHz ~ 16kHz user configurable
• Power conversion efficiency at full rated load: 98.4%
• Overcurrent hardware fault trip threshold: 110% rated continuous output current
• Overheat protection trip temperature: 85°C internal heat sink temperature
• DC bus overvoltage trip threshold: 780 V DC
• MTBF: 135,000 hours at 40°C ambient full-load continuous operation

Material Composition

• Power heat sink: Extruded black anodized aluminum alloy
• Power switching devices: Silicon IGBT high-power modules
• Internal busbar: Tinned copper laminated busbar
• Main housing: Cold rolled steel coated anti-corrosion epoxy paint
• Control circuit PCB: FR4 flame retardant PCB with conformal coating
• Cooling fan: Brushless DC industrial axial fan with plastic impeller

Structural Characteristics

• Standard vertical plug-in module form factor for AC890PX drive rack
• Front panel power terminal lugs for DC bus input and AC motor output wiring
• Top-mounted variable speed cooling fan assembly
• Side panel 10-way control signal connector for drive CPU communication
• Front panel multi-color LED fault diagnostic status array
• Internal laminated busbar layout to minimize high-frequency inductance and heat generation

Working Principle

Advantage Highlights

1. 400kW single-phase high power rating for heavy conveyor, extruder, crusher industrial motor loads
2. Variable speed cooling fan reduces idle power consumption and extends fan service life
3. Hardware instantaneous fault protection prevents permanent IGBT module damage under short-circuit conditions
4. Plug-and-play slot installation minimizes drive cabinet maintenance downtime
5. Conformal coated control PCB provides stable operation in high-dust industrial factory environments

Applicable Industries

Installation Requirements

1. Install exclusively inside IP20 rated AC890PX drive cabinet with vertical airflow ventilation
2. Torque DC bus and motor output cable lugs to 12 N·m to avoid thermal loose contact damage
3. Maintain minimum 100mm vertical airflow clearance above module cooling fan
4. Connect shielded control cable to 10-way signal connector with shield single-point ground at drive cabinet
5. Ensure cabinet ambient temperature remains below 50°C for continuous full-load operation

Usage Precautions

1. Complete full drive power shutdown and DC bus discharge wait time (minimum 15 minutes) before module removal
2. Conduct annual heat sink dust cleaning to prevent airflow blockage and overheating faults
3. Do not operate module with output short-circuit conditions; repeated short-circuits degrade IGBT service life
4. Replace cooling fan immediately upon abnormal noise or speed failure alarm
5. Store spare modules in temperature-controlled dry anti-static storage cabinet