EVF9333-EV Lenze Heavy-Duty Drive | AC/DC Inverter

Lenze EVF9333-EV Frequency Inverter | High-Power 148 HP Motor Drive

Power your largest industrial applications. The Lenze EVF9333-EV is a heavy-duty frequency inverter built for maximum performance and reliability.

• Delivers robust control for motors up to 148 horsepower (HP).
• Flexible power options with wide AC and DC input voltage ranges.
• Designed for efficient mounting in control cabinets to save space.

Key Features & Advantages

Extreme Power: Controls large motors rated up to 148 HP for heavy machinery.

Dual Power Input: Works on 320-440V AC mains or 460-620V DC supply for versatile installation.

High Output Capacity: Provides substantial output power (up to 142 kVA) for demanding loads.

Optimized Cooling: Designed with efficient thermal management for reliable operation.

Robust Construction: Built for industrial environments with a secure back-panel mounting design.

Complete Technical Specifications

Brand & Model: Lenze EVF9333-EV (Series 9300 High-Power Inverter)

Motor Power: 148 Horsepower (HP)

Mains Voltage: 320-440 Volts AC, 45-65 Hz

DC Supply Voltage: 460-620 Volts DC

Mains Current (with Filter): 185 Amperes (A)

Output Power: 142 kVA (@ 2/4 kHz) | 124.7 kVA (@ 8 kHz)

Power Loss: 2400 Watts (W)

Switching Frequency: Configurable (2/4/8 kHz typical)

Mounting Type: Back panel of control cabinet

Operating Temperature: 0°C to +40°C

Typical Applications: Large pumps, fans, compressors, and conveyor drives.

Frequently Asked Questions (FAQ)

What is the main benefit of this high-power inverter?

It provides precise speed and torque control for very large motors (up to 148 HP), improving efficiency and process control in heavy industries.

Can I connect it directly to a DC power source?

Yes. The EVF9333-EV offers great flexibility by accepting either standard AC mains (320-440V) or an alternative DC supply (460-620V).

Why are there two different output power ratings?

The output power depends on the switching frequency. A lower frequency (2/4 kHz) allows slightly higher power output (142 kVA) compared to a higher frequency (8 kHz, 124.7 kVA).

How should it be installed for proper cooling?

It must be mounted on the back panel of a ventilated control cabinet. Ensure there is adequate clearance around the unit as specified in the manual for air flow.

Is an external filter required?

For optimal performance and to meet EMC standards, using a mains choke or filter (handling 185A) is highly recommended, as indicated in the specs.

Package & Support Information

• Lenze EVF9333-EV Frequency Inverter Unit
• Comprehensive User Documentation
• Necessary Mounting Hardware

All products are covered by a solid 12-month warranty. We ship quickly and reliably worldwide using FedEx, UPS, and DHL.