Electrician Talk banner
micromaster 440
1-1 of 1 Results
  1. PLCs, VFDs, Motors and Controls
    Dear friends. Today I made a terrible mistake. I connected a SIEMENS MICROMASTER 440 220VAC input to 440VAC. After some seconds, smoke appears and I cut the circuit braker. Then, I change power supply to 220VAC (correct) and when turn on the braker, something blew up inside the VFD. I checked...
1-1 of 1 Results