PT539
THREE-PHASE VOLTAGE CONTROLLER WITH ADJUSTABLE LIMITS, DELAY AND TRIP TIME
Three-phase voltage monitoring relay with adjustable voltage limits, delay and trip time.
Three-phase voltage monitoring relay with adjustable upper (240-300VAC) and lower (150-210VAC) limits.
Also provides adjustable delay (0,1 to 20s) and trip time (0,1 to 20s).
Deactivates the relay when any of the phases' voltage exceeds the adjusted limits or 50% of their typical value or the neutral is interrupted.
DIN rail mounted, 2M-wide.