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Technical specifications for
EVF9327-EV
Lenze EVF9327-EV – High-Capacity Frequency Inverter for Demanding Industrial Drives
The Lenze EVF9327-EV is a robust and versatile frequency inverter from the acclaimed 9300 series, designed to deliver high-performance motor control in demanding industrial environments. Engineered for precision and efficiency, this frequency inverter is ideal for applications requiring consistent torque, advanced speed regulation, and seamless integration into automated systems. With a rated motor power of 30 HP, it caters to a wide range of machinery and processes across sectors such as manufacturing, material handling, and process automation.
This inverter supports a mains voltage range of 320 to 440 V AC and operates at a mains frequency of 45 to 65 Hz, making it suitable for global installation standards and environments with variable power supplies. It is also capable of operating on an alternative DC supply voltage between 460 and 620 V DC, offering flexibility for use in regenerative systems or setups requiring DC link operation. This adaptability enhances energy efficiency and expands installation options for modern drive architectures.
The EVF9327-EV is engineered for performance with output power ratings of 29.8 kVA at 2/4 kHz and 22.2 kVA at 8 kHz, ensuring ample capacity for powering large motors under varying load conditions. These output ratings make the inverter well-suited for dynamic applications where load characteristics frequently change, such as in conveyor systems, extruders, and large fans or pumps. The unit maintains operational stability with a mains current of 39 A when used in conjunction with a choke or mains filter, which helps mitigate harmonics and ensures compliance with EMC standards.
Thermal performance is an important consideration, and the EVF9327-EV demonstrates efficient heat management with a power loss of 640 W during standard operation. This heat dissipation figure suggests that adequate ventilation or additional cooling may be necessary when installing the unit in enclosed control cabinets. Fortunately, the inverter is designed for mounting on the back panel of control cabinets, optimizing space and allowing for efficient thermal routing.
As a frequency inverter, the EVF9327-EV supports a broad frequency range for output control, enabling smooth acceleration and deceleration of motors, improved process control, and reduced mechanical wear. Its modular structure, characteristic of the Lenze 9300 series, supports easy installation, integration with fieldbus systems, and flexible configuration. It also features advanced diagnostic and parameterization capabilities, which help reduce commissioning time and simplify maintenance.
Overall, the Lenze EVF9327-EV is a high-capacity inverter that combines power, precision, and durability to meet the challenges of modern industrial automation. Its ability to handle high motor loads, compatibility with both AC and DC power sources, and integration into cabinet-based systems makes it a dependable solution for complex drive applications.
