EN-
16
Underrange display :
0.000 kW :
Vrms <0.5V or Arms <0.5A
PF - - - - :
Vrms <0.5V or Arms <0.5A
Overrange display:
OL.U
:
Voltage overload ( Vrms > 1000V)
OL.A
:
Current overload (Arms > 620A)
OL.UA
:
Both Voltage and current overload.
±OL kW
:
Active Power > 600 kW or < -600 kW.
3-2 Three Phase Power Measurement
a. 3-phase 3 wire balanced / unbalanced
Set the rotary switch to the PF W~ position.
W1
W2
Red
Red
Black
1
2
3
Wye or star
Black
W=W1+W2