Lenze EVF9321-EV Vector Frequency Inverter: Precision Power Control

The Lenze EVF9321-EV delivers exceptional motor control in a compact design. This Series 9300 vector frequency inverter combines advanced features with reliable performance for industrial applications.

Core Technical Specifications

• Brand: Lenze
• Model: EVF9321-EV
• Product Type: Vector Frequency Inverter
• Rated Power: 0.37 kW (0.5 HP)
• Supply Voltage: 480V AC ±15%
• Rated Current: 1.5 Amperes continuous
• Output Frequency: 0-600 Hz adjustable range
• Input Frequency: 50/60 Hz automatic detection
• Overload Capacity: 150% for 60 seconds

Physical Dimensions & Environmental Ratings

• Unit Weight: 4.1 kg (9.04 pounds)
• Dimensions: 368mm H × 76mm W × 254mm D
• Operating Temperature: -10°C to +60°C
• Storage Temperature: -25°C to +60°C
• Protection Class: IP20 enclosure rating
• Relative Humidity: 5% to 95% non-condensing
• Cooling Method: Natural convection cooling

Performance & Control Features

• Control Accuracy: ±0.5% of maximum frequency
• Speed Control Range: 1:100 without feedback
• Torque Response: < 5 milliseconds
• Braking Torque: 150% rated torque available
• Carrier Frequency: 2-16 kHz adjustable
• EMC Compatibility: Meets EN 61800-3 standards

Installation & Mounting Guide

• Panel mount design for easy cabinet installation
• Maintain 100mm clearance above and below for ventilation
• Use appropriate cable glands for IP20 protection
• Ensure proper grounding with resistance below 0.1 ohm
• Mount in vertical position for optimal heat dissipation
• Follow local electrical codes for safe installation

Packaging & Shipping Information

• Factory-sealed original packaging with protective materials
• Complete user manual and installation guide included
• Mounting brackets and connection accessories provided
• Worldwide express shipping via FedEx, UPS, DHL
• 12-month comprehensive warranty coverage
• Technical support documentation included

Expert Technical FAQ

• What advantages does vector control offer for motor applications?
• Vector control provides superior torque performance at low speeds. This technology maintains precise motor control across the entire speed range.
• How does the wide output frequency range benefit different applications?
• The 0-600 Hz range supports various motor types and speeds. You can optimize performance for both standard and high-speed applications.
• What environmental conditions affect the inverter's performance?
• High ambient temperatures above 40°C may require derating. Always ensure adequate airflow around the unit for proper cooling.
• Can this drive operate multiple motors simultaneously?
• We recommend using one drive per motor for optimal performance. Parallel operation requires careful parameter adjustment and protection settings.
• What maintenance practices extend the product lifespan?
• Regularly check terminal connections and clean air vents. Monitor operating temperatures and ensure proper ventilation around the unit.

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