Siemens UL 1066 - Installing Optional Signaling Switches on Shunt Trips, Closing Coils, and Undervoltage Devices; Setting Delay Times on Undervoltage Release

11 – 3
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.
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
(5)
B
1
2
(1)
(2)
(3)
(4)
A
short-time delayed:
instantaneous:
J1
t
d
q 80 milliseconds
t
d
q 200 milliseconds