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Introduction
The
Shunt
Trip
and
accessories, shown in Figures 1 and 2, can be installed
in 800-4000 ampere frame Power Break®
breakers.
These accessories allow the breaker to be
tripped electrically from a remote location.
In addition to providing a trip signal to the breaker,
the Shunt Trip accessories can be set up to interact with
other Power Break II accessories, when used with
MicroVersaTrip Plusn1 or MicroVersaTrip PMn1
Unit. DIP switches on the rear of the breaker
Unit
can configure
the
activate a Bell Alarm-Alarm Only accessory or a Bell
Alarm
with
Lockout accessory when
occurs. The Accessory
describes how this can be done. If the breaker
equipped with a Power+n1
so that only protection trips will activate a Bell Alarm
Alarm Only or Bell Alarm with Lockout.
Figure
Figure
2
Shunt Trip with Lockout.
Shunt
Trip
with
Lockout
II circuit
Shunt
Trip accessories
a
shunt
Configuration
section
below
Trip Unit, it is configured
1.
Shunt Trip.
GEH-62840
Power Break® II Circuit Breaker
Accessories
Shunt Trip and Shunt Trip with Lockout
The catalog numbers for various voltage applications
are listed in Table 1 for the Shunt Trip and in Table 2
for the Shunt Trip with Lockout.
Catalog
Voltage
Rating CD
Number
SPST012
12 Vdc
a
24 Vac
SPST024
Trip
24 Vdc
Trip
48 Vac
SPST048
to
48 Vdc
120 Vac
SPST120
trip
125 Vdc
SPST208
208 Vac
i s
240 Vac
SPST240
250 Vdc
CD
24-240
Vac devices are rated for
<2l
Peak inrush current is present for
number is provided so that fuses and supplies can be chosen
appropriately.
Table
1.
Catalog numbers and voltages for the Shunt Trip.
Catalog
Voltage
Rating CD
Number
SPSTL012
12 Vdc
24 Vac
SPSTL024
24 Vdc
48 Vac
SPSTL048
48 Vdc
120 Vac
SPSTL120
125 Vdc
SPSTL208
208 Vac
240 Vac
SPSTL240
250 Vdc
Table
2
Catalog numbers and voltages for the Shunt Trip with Lockout.
Operation
Apply control voltage to terminals
terminal strip on the right side of the breaker to trip
the circuit breaker. The Shunt Trip will
circuit breaker to trip when
greater than 75% o f the rated de voltage or 55% of the
rated ac voltage. Control power to the Shunt Trip must
be removed before the breaker can be closed. Control
power to the Shunt Trip with Lockout must be removed
for a minimum of 0.25 second before the breaker can
be closed.
Peak Inrush
Nominal RMS
Current, A@
Current, mA
3.0
200
1.5
140
1.5
110
1.5
85
1.5
50
1.5
40
50/60 Hz.
2-6
ms after activation. This
Peak Inrush
Nominal RMS
Current, A <2l
Current, mA
19
300
15
300
7.5
200
3.0
80
1.9
60
1.5
45
31 and 32 of the
cause the
the control voltage i s
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Summary of Contents for GE Shunt Trip
- Page 1 Lockout The catalog numbers for various voltage applications accessories, shown in Figures 1 and 2, can be installed are listed in Table 1 for the Shunt Trip and in Table 2 in 800-4000 ampere frame Power Break® II circuit for the Shunt Trip with Lockout.
- Page 2 Bell Alarm-Alarm Only or Bell A l a r m with Lockout accessories when a shunt trip occurs, The Shunt Trip accessory is installed in the accessory with the procedure described in the Accessory compartment through the front of the circuit breaker Configuration section.
- Page 3 Apply at least 55% of the rated ac voltage at least Lockout also change state. (The factory switch 75% of the rated de voltage to the Shunt Trip; the setting is disabled.) breaker should trip immediately. When an Undervoltage Release accessory causes...
- Page 4 Check that the accessory is Shunt Trip. completely inserted; reinsert if necessary. If a 1 2 Vdc Shunt Trip is installed, check that the polarity of the control power matches that shown on the label of the Shunt Trip accessory.