LF620FB/LF622FB Converter

The LF620FB/LF622FB converters are available with HART protocol, optional 24 VDC power supply, optional Modbus communication and is FM C1D2 certified.

IR (Infrared) switches enable the parameter setting of the converter without removing the cover. Flow direction can be set in either way and its unique 128 x 128 dot matrix LCD display allows the LCD to be rotated electronically to 90, 180, and 270 degrees without opening the cover. The terminal block on the LCD side makes it easy to wire in case of the combined type.

The converters are equipped with infrared switches, eliminating the need to open the cover for settings adjustments.

NOTE: LF622 Remote Converter is available in a generous purpose configuration.

Overview

Insulated Bearings

  • An electric motor operating on an adjustable speed drive is at risk for premature bearing failure caused by stray currents. Experience indicates using insulated bearings on both ends of the motors is the most effective way to protect the motor from destructive currents. A high level of bearing protection is especially beneficial in applications where motor maintenance and replacement are difficult.
  • Extended Horsepower Capability

  • Extended horsepower capability allows a smaller motor to run at a higher horsepower than its baseline depending on the application requirements. This provides motor users potential cost savings while achieving the same motor performance.
  • Insulation with Wide Thermal Capability

  • Critical cooling motors utilize many Class H insulation materials in its winding designs, which provides increased thermal protection. These motors operate with a very low temperature rise at rated conditions, giving them a wide thermal margin and extended motor life.
  • Low Vibration

  • A vibration level exceeding NEMA MG1 requirements provides stability and durability by prolonging motor and bearing life and helping to reduce downtime.
  • Specifications

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