Amprobe ACD-50NAV ACD-51NAV ACDC-52NAV ACD-53NAV ACD-54NAV Navigator-Clamps - Manual (Page 19)

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2.Three Phase Power Measurement
A. 3 phase 3 wire balanced / unbalanced
Step 1. Set the rotary switch to the “W” position
Step 2. Using the Navigator key to choose the “W” mode.
Black
Red
Black
Wye or star
3
2
1
Red
W=W1+W2
B. 3 phase 4 wire balanced / unbalanced
Step1. Set the rotary switch to the “W” position
Step2. Using the Navigator key to choose the “W” mode.
3
2
1
N
Red Black
Red
Black
Red
Black
W=W1+W2+W3