S H U Nt Trip; Accessories - GE Power Break II Manual

Accessories

Wiring Diagra m s For Remote Operation
For p roper operation, the electrical circuit should be wired as
shown in the d iagram. All customer-supplied contacts should
be rated for the currents identified for both the electric op-
All components
above the dashed
line are customer
supplied.
Cut-off
Motor
Switch
{shown in
breaker
charged
position)
Ac or de power wiring diagram, remote operation
Sh u nt Tri p
The s hu nt trip accessory is an electronic module which p ro­
vides remote control capability to open the circuit b reaker.
Breaker opening time is 50 mill iseconds. When activated, the
shunt trip module sends a signal to the trip unit to open the
b reaker. This a llows the trip u n it to record, display, d istin­
guish and com m u nicate (in M icroVersaTripPM™ trip u nits)
that the opening event was initiated by the shunt tri p d evice.
The s hunt trip is continuously rated and req uires no cut-off
switch. Wh en energized, the s hunt trip supplies +24 Vdc
power to the trip unit to power the display.
Shunt trip modules a re available in a wide range of voltages
(from 24 to 250 Vdc, and 24 to 240 Vacl. They meet
quirements for operation at 5 5 % of rated ac or 7 5 % of rated
de voltage, making this device suitable for use with Class 1
g round-fault protective devices. Shunt trip modules a re a lso
available for 480 Vac and 600 Vac control power. A 50 VA
control power transformer, which mounts externally from
the b reaker, is req uired and supplied with these accessories.
These transformers provide an output of 120 Vac, 50/60
Hz, to the supplied shunt trip ( with or without lockout). (See
outl ine d rawing in the Physical Data section.)
26
erator and the remote close solenoid. If momentary contact
switches a re used, the minimum duration of contact closure
must be 83 mill iseconds.
Terminal Block
"B"
J3
P3
B
B
L
L
K K
Shunt trip mod u l e
Table 26.1
Shunt Trip Module
Catalog
UL
Number
re­
S PST012
SPST024
SPST048
SPST120
SPST208
SPST240 240Vac/250 Vdc
SPST 480
SPST 600
Voltage Maximum Peak I n rush
Rating Operating
Current
Voltage (AC Amps)
(50-60 Hz)
(Volts)
1 2 Vdc 132
24 Vac/dc 2 6
48 Vac/dc 53
120Vac/ 125 Vdc 1 3 2
208 Vac 2 2 8
264
480 Vac 528
600 Vac 660
Nominal
I n put
Current
zoo
(AC RMS mAl
3.0
1.5 140
15 1 10
1 5 8 5
1.5 50
15 40
3.0
65
3.0
65