Siemens UL 489 - Shunt Trip, Undervoltage Trip, and Closing Coil Diagrams

8 – 4
8.3 Shunt Trip, Undervoltage Trip / Electrical closing lockout
L
*) EMERGENCY OPEN or short terminals
**) Same installation location
1) For circuit breaker equipped with shunt trip and closing coil, the combined cutoff- switch S14 / S15 will be used. (One switch NO + NC is serving both coils.)
TC
TC
UVR
UVRD
a
a
F1
F2, F3, F4 **)
1)