GE AKR-30S Manual page 25

Accessories
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Auxiliary Switch
The auxiliary switch is used for remote indication of breaker
main contact position. It is available in groupings of tour
contacts (two stages) or ten contacts (five stages). Each
stage is composed of one "a" Type (N .O.) contact and one
"b" Type (N.C.) contact. All contacts feature rugged double­
break construction.
E lectric Lock Out Device
The electric lock out device provides a means of electrically
interlocking breakers so that two cannot be closed at the
same time. This electromechanical device consists of a coil
whose winding must be energized to close the breaker. Once
the breaker is closed, loss of voltage will not trip the breaker.
A bypass interlock is provided tor initial startup. Refer to
the UV device tor ratings and coil characteristics. Auxiliary
switches for cross-interlocking breakers must be ordered
separately.
Bell Alarm Switch
The bell alarm operates one "a" and one "b" contact, two
"a's", or two "b's". It is activated when the breaker is tripped
by any means (automatic) other than the manual trip button
or the shunt trip device. The contacts may be used for
remote indication of an automatic trip. The lock out feature
is available to mechanically lock the breaker "Open" when
the device is activated . "Reset" is accomplished through
operation of the manual trip button or shunt trip device. The
bell alarm is available without the lock out feature when so
specified.
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Key Interlock Provision
Prevents operation of a remote function un less the breaker
has been tripped. Provision is made to accept a lock assem­
bly furnished by purchaser (Kirk or Superior.)