vfd

I keep running into the same tension on industrial control enclosures and would like to hear how others approach it. For IP-rated (sealed) cabinets, you can't just vent to ambient, but the gear inside — VFDs, power supplies, PLCs, contactors — all dump heat into a closed box. On a few jobs...

This module use in Misubishi Fr-F840-11k VFD. Help me to find this module data .

I have two failures of single phase 230v 50Hz 1/2Hp motors being driven by an Invertek Optidrive E1 size 2 in a fan coil; one after 18 years and the other after 8 months! To try to prevent a repeat I have used part of a three phase Mitsubishi suppression filter that I thought was a sine wave...

Hi Folks, this is a preliminary, looking for anyone who has come across a similar issue before, before I start trying to reverse engineer the PCB etc. (Which I'm not a big fan of as it would really need live testing.) I have a 230V AC 50Hz (single phase) Optimum Lathe, which has a variable...