Siemens UL 489 Operating Instructions Manual page 186

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Circuit breaker without COM module
st
(1)
Connecting cable to 1
(2)
Connecting cables between modules
c
(3)
modules
(4)
Terminating resistor 120
(5)
Cable connection for 24 V DC voltage supply
9 – 84
module (4-conductor, conductors X8-4/X3-1 twisted with X8-3/X3-4 and X8-1/X3-2 twisted with X8-2/X3-3)
0.5 W

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