User's Guide

IL42-4026E December 2007
2
Internal Wiring Diagrams
WARNING
!
Circuit closing devices must be used on current transformer secondaries. This applies to
Form 3S and 4S meters. Dangerous voltages may be present if current transformer
secondaries are open-circuited while the transformer is energized. Equipment damage,
personal injury, or death can result if circuit-closing devices are not used.
Form 1S
PS
PS
Form 2S
Alternate positions of movable
potential terminal
PS
Form 3S
PS
Form 4S
31H05
PS
Form 12S
Alternate positions of movable
potential terminal