Power Supply :
No Power Supply to be given separetely
Tripping Parameters :
Under voltage
Over voltage
Phase asymmetry
Phase sequence
Phase loss
Output:
1 Relay 1C/O ,5A 230V AC Resistive load
Input Voltage :
280 to 520V AC ( L- L ) 3Ø -3W
Voltage Protection Relay
VPR-22U
UNDER VOLTAGE
KNOB
OVER VOLTAGE
KNOB
FAULT INDICATION LED
for under voltage, over voltage,
phase sequence, phase asymmetry
& phase loss
MAIN LED
for visualisation of power
supply status
Rated Voltage :
415V AC ( L- L )
PIANO SWITCH
for time range selection &
Power ON & Trip Delay Time selection
ON
OFF
Switch
Settings
1 2 3 4
Switch-1 & 2 for
Power ON Delay
time selection
ON
ON
OFF
OFF
15 Sec
10 Sec
5 Sec
2 Sec
SW 1
Range
ON
OFF
ON
OFF
SW 2
ON
ON
OFF
OFF
15 Sec
10 Sec
5 Sec
2 Sec
SW 3
Range
ON
OFF
ON
OFF
SW 4
Switch-3 & 4 for
Trip Delay
time selection
RED:
phase loss
Blinking Red: phase asymmetry
Yellow:
phase sequence
OFF: Healthy
