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2
The Shunt Trip or Shunt Trip with Lockout is installed in the
accessory compartment through the front of the circuit
breaker in the position shown in Figure 2.
Shunt Trip or
Shunt Trip with Lockout
Bell Alarm
with
Lockout
Undervoltage Release
—
Figure 2 Accessory compartment on front of circuit breaker, with Shunt Trip slot indicated.
Use the following procedure to install the Shunt Trip accessory
into the Shunt Trip slot of the accessory compartment:
1.
Open the hinged door over the accessory compartment
and Trip Unit.
To remove an existing accessory, loosen the accessory
2.
locking screw and pull the accessory out with the Rating
Plug Removal Tool (catalog number TRTOOL).
3.
Insert the Shunt Trip accessory into the proper slot, as
illustrated in Figure 3. The Shunt Trip accessory is keyed
for the correct slot in the accessory compartment. If the
accessory cannot be fully seated in the compartment,
check that the compartment position is correct.
—
Figure 3. Inserting a Shunt Trip into the accessory compartment.
4.
Tighten the locking screw on the front of the accessory
until it is snug(9 in-lb).
CAUTION: Over tightening the locking screw may damage
or distort the case of the accessory.
ATTENTION: Le serrage excessif de la vis de verrouillage
peut déformer le boîtier d'accessoire.
5.
If the breaker is equipped with a MicroVersaTrip Plus or
MicroVersaTrip PM Trip Unit, the Shunt Trip accessory
can be configured to activate installed Bell Alarm-Alarm
Only or Bell Alarm with Lockout accessories when a
Bell Alarm-
Alarm Only
shunt trip occurs, with the procedure described in
the Accessory Configuration section.
6.
Mount the supplied step-down transformer near the
circuit breaker.
7.
Connect the control wiring for either Shunt Trip to
the primary side of the transformer, marked as the H
numbered terminals. Table 3 lists the correct
transformer primary taps.
8.
Connect the secondary side of the transformer,
marked as the X numbered terminals, to terminals 31
and 32 of the terminal block on the right side of the
breaker. Table 3 lists the correct transformer
secondary taps.
WARNING: 480Vac and 600 Vac Shunt Trip accessories must
be used with the supplied step-down transformer.
AVERTISSEMENT: Les modules de déclenchement shunt
480 Vac et 600 Vac doivent être utilisés avec le
transformateur abaisseur de tension qui est fourni.
Catalog Number/
Connections
Control Voltage
9T58K0042
480 V
9T58K0062
600 V
(1) A jumper must be placed from H2 to H3.
—
Table 3. Primary and secondary connections for step-down transformers.
9.
9.
Test the Shunt Trip to ensure proper operation,
according to the procedures below.
10.
Reconnect power to the circuit breaker and any other
accessories.
Close and lock or seal the door over the accessory
11.
compartment and Trip Unit to prevent unauthorized
changes
to
Trip
contaminants out of empty accessory slots.
Accessory Configuration
This section only applies if Alarm-Alarm Bell Only or Bell
Alarm with Lockout accessories are installed in the breaker,
along with a MicroVersaTrip Plus or MicroVersaTrip PM Trip
Unit. If the breaker is equipped with a Power+ Trip Unit, the
factory default settings, listed in Table 4, can not be
changed.
The Shunt Trip accessory can be configured to activate the
Bell Alarm-Alarm Only or Bell Alarm with Lockout accessories
if a shunt trip occurs. The configuration can be changed by
removing the Trip Unit from the breaker, setting the DIP
switches on the rear of the Trip Unit, and reinstalling the Trip
Unit. Figure 4 illustrates the Trip Unit rear DIP switches and
their functions. Table 4 lists the switch functions and the
factory settings for each.
Primary
Secondary
Connections
H1, H4(1)
X1, X2
H1, H4
X1, X3
Unit
settings
and
to
keep
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