Page 49 - 通用电气（中国）有限公司

EntelliGuard* L

Breaker accessories

The device is available as a factory mounted component or Auxiliary contacts
as a field mountable device. It is an extremely easy-to-fit, Auxiliary contacts are designed
clip-on unit, with simple plug-in connectors. to indicate the position of the Air
Circuit Breaker main contacts. Each
The device have a wide voltage range, thus limiting the EntelliGuard device is supplied with
number of devices needed and can be used in an operating a standard package of 3 normaly
frequency of up to two operations per minute. open (NO) and 3 normally closed
(NC) contacts that operate simultaneously with
The release can have a life span equivalent to that of the full the breakers main contacts. Optionally another package is
breakers life span. available that can be used to increase the number of available
contacts by replacing the standard auxiliary contact block.

Connections Auxiliary contact packages
The connection points of both releases (UV and shunt) can be Standard: 3 NO + 3 NC power rated
found on terminal B of both the fixed pattern and draw-out Optional: 4 NO + 4 NC power rated Breaker accessories
breaker types. Please refer to page 51.
The devices are available as factory mounted components or
as a field mountable device. Auxiliary contact packages are
Electrical characteristics easy-to-fit, and have simple plug-in connectors.

AC DC Power consumption Auxiliary switch characteristics
-- 24V
48V (1) 48V 350 VA / 350 W Power rated Intro
Inrush
110-130V 110-130V 60 VA / 50W Nominial control voltage Current rating
Non-inductive
220-240V 220-240V AC 50 HZ Amps
380-415V -- Holding
110/120V 10
220/240V 10
380/415V 5 A
(1) Applicable only to shunt release DC
110/120V 5
220/250V 0.25
B
Time delay module
The de-energizing operation
of the undervoltage release Connections
can be delayed. This The connection points of the auxiliary contacts can be found C
optional, externally mounted on terminal C of both the fixed pattern and draw-out breaker
module has an adjustable types. When the standard 4 NO + 4 NC is required, only the
time delay of zero to standard terminal C is used. For other combinations terminal
three seconds. The device A needs to be ordered separately. D
can be implemented to
prevent undesired breaker
tripping due to momentary Bell alarm contact E
voltage interruptions and is When an EntelliGuard Air Circuit Breaker has
connected in series with the undervoltage release. tripped due to a fault detected by the
trip unit, a bell alarm changeover
Optionally, the EntelliGuard trip unit can be supplied with contact is available to indicate this. X
a three phase plus neutral undervoltage protection device The contact can only be used
that can provide a power interruption alarm and/or initiate a when the breaker is adjusted to
breaker ‘trip’. “Manual Reset”.

Electrical characteristics Connections
The connection points of the bell alarm contact can be
AC DC Power consumption found on terminal B of both the fixed pattern and draw-out

110-130V 48 V 350 VA breaker types.
220-240V 110 - 130V Inrush
380-415V 220 - 240V 60 VA Hold

C.3