
Installation – Typical Wiring Diagrams
37
4.3.6 2 PHASE (L1 & L3) 3 WIRE WITH RESTRICTED EARTH FAULT
NOTE:
NOTE:NOTE:
NOTE:
Earthing the neutral conductor ‘before’ the neutral CT allows the module to read
Earthing the neutral conductor ‘before’ the neutral CT allows the module to read Earthing the neutral conductor ‘before’ the neutral CT allows the module to read
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)
earth faults ‘after’ the CT only (Restricted to load / downstream of the CT)earth faults ‘after’ the CT only (Restricted to load / downstream of the CT)
earth faults ‘after’ the CT only (Restricted to load / downstream of the CT)
Earth
EarthEarth
Earthing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults
ing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults ing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults
ing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults
‘before’ the CT only (Restricted to
‘before’ the CT only (Restricted to ‘before’ the CT only (Restricted to
‘before’ the CT only (Restricted to source
sourcesource
source
/ upstream of the CT)
/ upstream of the CT)/ upstream of the CT)
/ upstream of the CT)
4.3.7 2 PHASE (L1 & L3) 3 WIRE WITHOUT EARTH FAULT MEASURING
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