What does PFR stand for?
PFR stands for "Phase Failure Relay"
How to abbreviate "Phase Failure Relay"?
"Phase Failure Relay" can be abbreviated as PFR
What is the meaning of PFR abbreviation?
The meaning of PFR abbreviation is "Phase Failure Relay"
What does PFR mean?
PFR as abbreviation means "Phase Failure Relay"
