Tristate Machinery Dismantlers Forum > MICHIGAN
> Motors and tools
> Used
> 3 phase motor protector (digital phase protector)
3 phase motor protector (digital phase protector)
THIS ELECTRONIC INSTRUMENT DESIGNED FOR AC VOLTAGE MONITORING AND PROTECTION OF 3 PHASE 4 WIRE AND 3 PHASE 3 WIRE SYSTEMS.
USED IN APPLICATIONS SUCH AS MAIN POWER FAILURE, PHASE SEQUENCE, PHASE UNBALANCE, UNDER AND OVER VOLTAGE.
IT IS DESIGNED TO MONITOR THE CORRECT PHASE SEQUENCE OF 3 PHASE SYSTEMS.
WITH THE CORRECT PHASE SEQUENCE APPLIED THE OUT PUT RELAY WILL ENERGIZE AND REMAIN, DE-ENERGIZED IF AN INCORRECT SEQUENCE APPLIED, PHASE FAILURE OR THE MEASURED VOLTAGE MOVES OUT SIDE THE SET POINT.
IT OPERATES AUTOMATICALLY AND SHUT DOWN YOUR MOTOR BEFORE ANY DAMAGE IS DONE.
THE RELAY WILL AUTOMATICALLY RESET TO ENERGISE WHEN THE INPUT VOLTAGE IS RAISED PAST THE SET POINT PLUS THE HYSTERESIS VALUE.
LED INDICATE THE ACTUAL FAULT THAT CAUSED THE TRIP. DISPLAY 'ON' INDICATES WHEN THE RELAY IS ENERGISED.
7-segment Red LED letter 0.39" (9.90 mm)
Differential (Hysteresis) : 1%
Under and Unbalance voltage: 1 to 5 seconds
DIN Rail 35 mm or Screw mounting
Screw terminal block (4 mm2 self lifting)
