Page 50 - 通用电气（中国）有限公司

EntelliGuard* L

Breaker accessories

Electrical characteristics
Terminal block
AC ratings DC ratings Breakers in fixed pattern,
Voltage Amps Voltage Amps cassettes and breakers in draw-
250V AC21-6A 125V DC21-0.4A out mode are always supplied
250V DC21-0.2A
with an auxiliary connection
block (terminal B and C).
Minimum operating current 0.1A at 8V DC When the number of factory installed
Breaker Accessories A breaker with electrical (terminal A) accordingly.
accessories exceed, the available number of
Spring charged and ready to close contacts
connection points needed, a 3rd connection block is added
charging mechanism is
For connections please refer page 51.
equipped with a spring
charged contact that
closes if the spring
IP54 cover
mechanism is charged.
All Air Circuit Breakers are supplied with a door

The second contact is
the door cut-out professionally, simultaneously
ready to close indication, contact
providing a protection degree of IP31.
can optionally replaces the spring charge contact. It only flange/door frame that allows the user to finish
changes the indication when the following conditions are If a higher protection degree is required,
Intro met: an additional cover is available allowing IP54.
- The circuit breaker is open
- The closing springs are charged
- The circuit breaker is not locked/interlocked in open position Rogowski coils
A - There is no standing closing order If the EntelliGuard trip unit is
- There is no standing opening order configured to allow earth/
Both contacts are available in a 1 NO configuration. ground fault protection, an
B external neutral sensor can
be required. Rogowski coils
Electrical characteristics for this application are available
as separate items and are supplied with a mounting kit.
C Voltage AC ratings Amps Voltage DC ratings Amps Rogowski are also required for sensing the set values and

250V AC21-6A 125V DC21-0,4A then allowing the trip unit to provide protection accordingly.
250V DC21-0,2A
D Hoisting / Lifting accessories

Minimum operating current 0.16 A at 5V DC All EntelliGuard protection
devices are equipped with
E a set of hoisting eyes. To
Operations counter use these hoisting eyes with
A simple and easy to install standard lifting equipment,
mechanical device that displays an specifically designed
X accurate and cumulative record of adaptors are available.
the number of closing operations
of the EntelliGuard Air Circuit
Breaker in which it is installed. Fascia pushbutton padlocking facilities
To prevent unauthorized
The mechanical and electrical life span of the breaker can access to both the ON and
be extended by limited periodic maintenance. The counter OFF push buttons on the
contains information that can assist in determining when breakers front fascia, a
the breaker requires servicing. padlockable push button
cover can be fixed to the
breaker front fascia. 1
padlock of 5-8 mm can be
used.

C.4