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IM01005012E XT-40 & IT-RSS Installation
Page 4 Rev. 1 – 2/2007
2.2 XT-40 Wiring Diagrams
Single Phase (1P101, 1P201)
CIRCUIT
INTERRUPT
DEVICE
PHASE A
GROUND
NETURAL
or PHASE B
Use Interrupt Device if
connected to Phase B
NOT Neutral
XT-40
Split Phase (1S101)
CIRCUIT
INTERRUP
T
DEVICE
PHASEA
NEUTRAL
GROUND
PHASE B
Solid bond between
Ground/Earth and
Neutral at service
entrance or serving
isolation transformer
XT-40
3-Phase Wye (Star) (3Y101, 3Y201, 3Y300)
CIRCUIT
INTERRUP
T
DEVICE
PHASE A
NEUTRAL
GROUND
PHASE B
PHASE C
Solid bond between
Ground/Earth and
Neutral at service
entrance or serving
isolation transformer
XT-40
3-Phase Delta (No Neut.) (NN201, NN400, NN501)
CIRCUIT
INTERRUP
T
DEVICE
PHASEA
GROUND
PHASE B
PHASE C
XT-40
3-Phase Delta (High-Leg) (3D101)
XT-40
CIRCUIT
INTERRUP
T
DEVICE
PHASE A
GROUND
NEUTRAL
PHASE B (High Leg)
PHASE C
Solid bond between
Ground/Earth and
Neutral at service
entrance or serving
isolation transformer