Elcon SA10A - Connections for Two or more Breaking Units Per Phase; Connection for a Breaking Unit with a Pre-Insertion Resistor

Page 8 (40)
Rev 1 2018-03-21 www.elcon.se
Go to INDEX.
3.1.4 CONNECTIONS FOR TWO OR MORE BREAKING UNITS PER PHASE .
Note!
Only one phase is shown
Figure. 2.2 Connections for four breaking units per phase
3.1.5 CONNECTION FOR A BREAKING UNIT WITH A PRE-INSERTION RESISTOR.
The contact inputs "A" -"D" in each contact group have two levels of resistance sensitivity.
There is no difference between connecting a breaker unit with a pre-insertion resistor and connecting a breaker unit
without a pre-insertion resistor.
Note!
The value of the pre-insertion resistor must be in the range 50 - 5000 ohm
Figure. 2.3 Connections for a breaking unit with a pre-insertion resistor