Power Break
®
Circuit Breakers
Chapter 2. Breaker Operation
4
Indicator
Main Breaker
Contacts
Condition of
Charging Springs Next Permissible Operating Function
OFF Open Discharged Mechanism may be charged
CHARGED / CHG Open Fully Charged Contacts may be closed
ON Closed Discharged Contacts may be opened
Table 3. Sequence of operations that may be performed with Power Break circuit breakers.
Operating Instructions for Manually
Charged Breakers
Charging the Mechanism Springs
Rotate the operating handle counter-clockwise until the
handle stops (about 120° ). Rotate the handle clockwise
back to its home position.
This operation will NOT close
the contacts and turn the breaker
ON
.
The indicator will
display CHG.
CC
CC
AA
AA
UU
UU
TT
TT
II
II
OO
OO
NN
NN
::
::
If the breaker latch is held in the tripped
position by any of the following accessories, the
mechanism springs will discharge at the end of the
charging stroke and the breaker will revert to the OFF
condition.
• The key interlock or padlock is in the locked OFF con-
dition.
• On a draw-out breaker, the draw-out interlock is
engaged with the carriage in any position except TEST
or ENGAGED.
• The bell alarm lockout was not reset after an overcur-
rent lockout.
• The undervoltage release is not energized.
These conditions must be corrected before the breaker
can be closed. Failure to do so may result in equipment
damage.
Closing the Breaker
Close the breaker contacts with either of the following
methods:
• Depress the ON button on the breaker escutcheon.
• Energize the (optional) remote close accessory by
connecting terminal 5 to terminal 6.
Opening the Breaker
Open the breaker contacts with either of the following
methods:
• Depress the PUSH OFF button on the breaker
escutcheon.
• Energize the (optional) shunt trip accessory or deen-
ergize the (optional) undervoltage release accessory.
Operating Instructions for Electrically
Charged Breakers
Charging the Mechanism Springs
Charge the mechanism springs with either of the follow-
ing methods:
•
Local
– Depress the lockable manual charge engagement
button until it is flush with the handle surface.
Slight rotation of the handle may be necessary to
fully depress the button in order to align the
internal coupling.
– Hold the button down and rotate the operating
handle counter-clockwise until the handle stops
(about 120°). Rotate the handle clockwise back to
its home position.
This operation will NOT close
the contacts and turn the breaker
ON
.
The
indicator will display CHARGED.
•
Remote
– Connect terminal 3 to terminal 4 to
energize the motor operator mechanism.
Closing the Breaker
Close the breaker contacts with either of the following
methods:
• Depress the ON button on the breaker escutcheon.
• Energize the (optional) remote close accessory by
connecting terminal 5 to terminal 6.
Opening the Breaker
Open the breaker contacts with either of the following
methods:
• Depress the PUSH OFF button on the breaker
escutcheon.
• Energize the (optional) shunt trip accessory or deen-
ergize the (optional) undervoltage release accessory.
Automatic Operation
For automatic closing of the breaker when the springs are
charged, permanently connect terminal 5 to terminal 6.
The breaker will close as soon as the charging cycle is
complete.
For automatic charging of the closing springs, perma-
nently connect terminal 3 to terminal 4. The springs will
To Next Page
Loading...
Need help?
General
