Shunt Trip, Undervoltage Trip / Electrical Closing Lockout - Siemens UL 1066 Operating Instructions Manual

8.4

Shunt Trip, Undervoltage Trip / Electrical closing lockout

L
F1 F2, F3, F4 **)
UVR
TC
TC
UVRD
a
a
1)
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 solenoids.)
8 – 4