Eaton Cutler-Hammer Digitrip 520M - Page 13

Effective 8/13/99
Page 13I.L. 70C1037H02
Figure 2.7 Source Ground Fault Sensing Scheme for 4000A Frame
Figure 2.6 Source Ground Fault Sensing Scheme for 3200A Frame
Two standard IA secondary sensors with primary in series and
secondaries in parallel may be used.
Courtesy of NationalSwitchgear.com