Eaton Cutler-Hammer Digitrip 520M Instructions Manual page 13

I.L. 70C1037H02
Page 13
Figure 2.6 Source Ground Fault Sensing Scheme for 3200A Frame
Tw o s ta n d a rd IA s e c o n d a ry s e n s o rs w ith p rim a ry in s e rie s a n d
s e c o n d a rie s in p a ra lle l m a y b e u s e d .
Figure 2.7 Source Ground Fault Sensing Scheme for 4000A Frame
Effective 8/13/99
Courtesy of NationalSwitchgear.com