Siemens UL 489 Operating Instructions Manual page 159

Attaching signaling switch S43 to the 2nd shunt trip / UVR
UVR / 2nd shunt trip: signaling switch S 43
(1) Rocker
(2) Signaling switch
(3) Guide
(4) Groove
Attaching signaling switch S45 to the ETU carriage
(1) black wiring
(1)
(1)
(4)
S45
(2)
(3)
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