Power break, Circuit breakers chapter 2. breaker operation – GE Industrial Solutions Power Break I 800-2000 Frames 240-600 VAC User Manual

Page 10

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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

.

C

C

C

CA

A

A

AU

U

U

UT

T

T

TIIIIO

O

O

ON

N

N

N:::: 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

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