Installing Optional Signaling Switches On Shunt Trips, Closing Coils, And Undervoltage Devices; Setting Delay Times On Undervoltage Release - Siemens UL 1066 Operating Instructions Manual

11.3

Installing optional signaling switches on shunt trips, closing coils, and undervoltage devices

Signals the the operating status of the shunt trip, closing coil, or undervoltage device to the BSS.
(4)
A Snap in place
B Disassembly
(1) See-saw
(2) Signaling switch
(3) Guide
(4) Groove
(5) Snap-fit
1 Disengage the snap-fit
2 Pull out the signaling switch
11.4

Setting delay times on undervoltage release

Instantaneous release
A
(1)
(2)
(3)
B
2
1
(5)
short-time delayed:
J1
instantaneous:
t q 200 milliseconds
d
t q 80 milliseconds
d
11 – 3