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
Shunt trips with 100% ED may be used as an electrical closing lockout.
(1) (2) (3) (4) (5)
(6)
(7)
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