Siemens UL 1066 - 11 Shunt Trip; Closing Coil; Undervoltage Release; Overview

11 – 1
11 Shunt Trip / Closing Coil / Undervoltage release
11.1 Overview
Mounting locations
(1) 1st shunt trip F1
(2) Signaling switch S22
(3) Closing coil CC
(4) 2nd shunt trip F2
or undervoltage release (instantaneous) F3
or undervoltage release (time-delayed) F4
(5) Signaling switch S23 or S43
(6) Cut-off switch S14 for shunt trip 5% duty cycle
(7) Cut-off switch S15 for closing coil CC 5% duty cycle
(1) (2) (3) (4) (5)
(6)
(7)