Page 48 - 通用电气（中国）有限公司

EntelliGuard* L

Breaker accessories

Electrical charging mechanism (motor) Connections
In order to charge the stored energy The closing coils connection points can be found on terminal
mechanism electrically, a motor B of both the fixed pattern and draw-out breaker types.
mechanism is available. Please refer to page C7.
The design allows factory
or field mounting and is
available for the full range Electrical characteristics
of EntelliGuard breakers. AC 24V Power consumption
DC
Breaker Accessories When the circuit breaker is opened, the Shunt release 110-130V 350 VA
It is easily fitted with just
three bolts.
--
--
48V
110-130V
Inrush
220-240V
220-240V
mechanism automatically recharges the springs and
380-415V
--
prepares the breaker for an almost instantaneous reclosure
should the need arise.
High speed recharging ensures that the springs are fully
charged within four seconds. An optional ‘ready to close’ or
‘spring charging indication’ contact is available that indicates
Air Circuit Breaker OFF remotely.
that the springs have been recharged and that the breaker
When energized, a shunt release
can be closed. A device designed to switch the
instantaneously activates the circuit
breaker mechanism thus ensuring
Intro The device is available in multiple AC and DC voltages and a rapid disconnection of the main
can be used in a operating frequency of up to two operations contacts (50 msec).
per minute. It has a life span equivalent to that of the breaker All EntelliGuard shunt release are
without maintenance. To switch the EntelliGuard breaker ON suitable for a continuous power
A and OFF remotely a closing coil and shunt release is also supply and are designed to be used
necessary. as a closure prevention device when energized.
B Connections The device is available as a factory mounted component or
as a field mountable device. It is an extremely easy-to-fit,
The motor mechanism connection points can be found on clip-on unit, with simple plug-in connectors.
terminal B of both the fixed pattern and draw-out breaker
C types. Please refer to page C.7. The individual devices have a wide voltage range, thus
limiting the number of devices needed and have a life span
equivalent to that of the full breaker life span.
D Electrical characteristics
Control voltage Motor operator
Undervoltage release
Power consumption A device designed to open the
E 24DC, 110-130DC 220V DC 300W breaker contacts and to prevent
110-130AC 220 - 240AC
350VA
the breaker from closing when
in a “No Volt” condition. On a
X de-energization the undervoltage
release activates the circuit breaker
Closing Coil mechanism and ensures a rapid
To switch the Air Circuit Breaker ON disconnection of the main contacts
remotely a closing coil is available (50 milliseconds). When not re-
that when energized releases the energized in accordance to the
spring charged closing mechanism. conditions stated in the IEC60947
The device is available as a factory the device prevents the Air Circuit Breaker from closing.
mounted component or as a
field mountable device. It is an The EntelliGuard undervoltage releases are designed to
extremely easy-to-fit, clip-on unit, react within a pre-defined voltage band, only reacting when
with simple plug-in connectors. the voltage supplying drops below the limits of this band.
The coils have a life span To prevent nuisance tripping due to short air interruptions
equivalent to that of the full or ‘Brown Outs’ the device has a built in delay of 50
breaker life span.
milliseconds.

C.2