T
echnical
B
ulletin
PAGE: 2/2
Model:
Shepherd-P1, Lt
Date:
10-Oct-19
No.:
RM0D4013
*Above is general image, please be sure to prepare the Protection Earth.
Actual circuit is depending on customer equipment. Please contact electrician for more
detail.
Confirm any pins voltage
Confirm the voltage between every connector pin whether voltage is within acceptance as
below table.
Pin
Mainly North America
Mainly Europe and Asia
L1-L2
220 V
±
10%
400 V
±
10%
L2-L3
220 V
±
10%
400 V
±
10%
L3-L1
220 V
±
10%
400 V
±
10%
L1-N
127 V
±
10%
231 V
±
10%
L2-N
127 V
±
10%
231 V
±
10%
L3-N
127 V
±
10%
231 V
±
10%
Y(Star) connection transformer
Delta connection transformer
Good
Not good
