DSE Model 7000 Series Control and Instrumentation System Operators Manual
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Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 2 02/05/2008 ADM
4.3.4 7320 AMF CONTROLLER
3 phase, 4 wire with restricted earth fault protection
NOTE:- Earthing the neutral conductor ‘before’ the neutral CT allows the module to read earth faults
‘after’ the CT only (Restricted to load / downstream of the CT)
Earthing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults ‘before’ the CT
only (Restricted to generator / upstream of the CT)