Winco DSE7300 Series User Manual
Page 47
DSE Model 7000 Series Control & Instrumentation System Operators Manual
Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 5 15/10/2009 ADM
47
4.4.6 2 PHASE (L1 & L3) 3 WIRE WITH RESTRICTED EARTH FAULT
NOTE:- Earth fault protection alarm only available on 7300 series V2.0 and above controllers. 7300
series V1.x.x modules have Earth fault measuring only (no protection alarms).
NOTE:- Mains sensing (Terminals 47-50) is not fitted to DSE7210/ DSE7310 autostart controllers.
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)