2 shunt trip – GE Industrial Solutions EntelliGuard 800–2000 A Frames, 240–600 Vac Maintenance Manual User Manual
Page 49
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EntelliGuard™ 800–2000 A Power Circuit Breakers
Chapter 8. Accessory Maintenance
39
Connection
Wire Color
Sec. Disc.
Terminal #
Lockout trip
white
14
Lockout trip COM
green
6
Status switch N/O
blue
16
Status switch COM
black
19
Table 6. Bell Alarm with Lockout wires and corresponding secondary
disconnect terminals.
Installing the Bell Alarm with Lockout
Use the following procedure to install the Bell Alarm with
Lockout mounting plate and module. If this is a new
installation into a breaker that was not equipped at the
factory with a Bell Alarm with Lockout, see the installation
instructions in DEH238, supplied with the Bell Alarm with
Lockout kit. If only the module is to be replaced, begin at
step 3.
1. Place the Bell Alarm mounting plate over the three
standoffs on the breaker front frame and secure
with three lock washers and nuts. Ensure that the
actuating tab from the breaker mechanism engages
the slot in the bottom of the mounting plate, as
illustrated in the front view in Figure 46.
2. Line up the Bell Alarm module on the mounting
plate, as shown in Figure 45, so that the solenoid
plunger and locating pin fit in the appropriate
holes. The label on the end of the module should
appear as in Figure 47, with the legend
↑
SF LO
(
Small Frame Lockout) horizontal.
3. Attach the Bell Alarm module to the mounting
bracket with the two screws provided.
4. Run the four wires from the Bell Alarm to the secon-
dary disconnect A block and connect to the termi-
nals listed in Table 6. Use wire ties to secure the wire
bundle to the breaker frame.
5. Replace the breaker escutcheon, as described in Sec-
tion 7.5.
Figure 46. Front view of the Bell Alarm with Lockout installation,
showing the breaker mechanism tab engaging the mounting plate slot.
Figure 47. Orientation of the label on the Bell Alarm module for
installation.
8.2 Shunt Trip
The Shunt Trip allows the breaker to be opened remotely
by the EntelliGuard Messenger™. It is always provided on
electrically operated breakers. The device causes the
circuit breaker to open when its coil is energized. An “A”
auxiliary switch, which is closed when the breaker is
closed, is connected in series with the Shunt Trip coil, as
illustrated in Figure 48. The voltage source is connected to
terminals 5 and 7 on the secondary disconnect.
Renewal parts for the Shunt Trip are a complete kit, illus-
trated in Figure 49, and the module. Electrical ratings for
the Shunt Trip are listed in Table 7.