3-19
IM CW240E
Preparation for Safe Measurements
3
RT
SR T
Three-phase three-wire two-current/
Single load (3P3W2I)
<Two-power-meter method>
Black
Red
Blue
RTRT
SR T
Black
Red
Blue
Load 1 Load 2
Three-phase three-wire two-current/
Two loads (3P3W2I)
<Two-power-meter method>
RST R S T
Three-phase three-wire three-current
(3P3W3I)
<Three-power-meter method>
Red
Yellow
Blue
3.5 Connection Diagrams of Voltage Probes and Clamp-on Probes