Variable Frequency Drives (VFDs)

Calculate the correct protection fuse size for VFDs per NEC guidelines to ensure safe and compliant motor drive installations.

Calculate the correct conductor gauge from VFD to motor per NEC standards for safe, efficient electrical installations. Easy, accurate sizing tool.

Calculate the correct input conductor size for VFDs using NEC guidelines with our easy-to-use Input Conductor Sizing for VFDs Calculator.

Calculate VFD power ratings in HP or kW quickly and accurately with our NEC-compliant calculator for efficient motor drive sizing.

Calculate the nominal current of VFDs accurately using NEC guidelines with our easy-to-use VFD calculator for safe and compliant electrical design.