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NGC-30-CTM INSTALLATION INSTRUCTIONS
11
Line & ground-fault sensor outputs (5x)
12
Line current sensor (5x)
13
Ground-fault current sensor (5x)
NGC-30-CTM
3.5 in
(89.9 mm)
DIN rail
mounting foot
(X2)
DIN rail
top of
DIN rail
Typical GF / LC wiring through transformers
Phase / Neu.
Phase
Ground-fault transformer
Line current transformer
9.75 in
(248 mm)
Ground-Fault/Line Current Cable Assembly
Note:
Acompletecablemaybeorderedaspartnumber:
20578010-XXXwhereXXX=Length(L)ininches.
EachNGC-30-CTMmountsonaDIN35rail.Itshouldbelocated
betweenthecircuitbreakerorterminalblockandcontactoror
SSRinthepanel.
Ground-Fault/Line Current Sensors
ConnectionsfromNGC-30-CRM/-CRMSto
NGC-30-CTM.
UsinganRJ11connector/cableassembly,
connectoneendtoanRJ11input(TB13-
TB17)andtheotherendtotheappropriate
NGC-30-CTMRJ11connector.
(L)
Typical connection
(1 of 5)
8
