Circuit Breaker Accessories
WL Circuit Breaker
1/48
WL Selection and Application Guide • 2005
Locking Device for Racking
Handle
(WLLKCLKRK, WLLKCLSUP)
Prevents withdrawal of the
racking handle. The circuit
breaker is protected against
moving. The blocking is only
effective if the key is
withdrawn.
Locking Device for
“Mechanical OPEN”
(included in the WLLKKT
Lock Kit)
Prevents unauthorized
mechanical disconnection at
the front panel. The
mechanical OPEN button can
only be actuated if the key is
inserted (key operation).
Remote disconnection is
still possible. The blocking is
only effective if the key is
withdrawn.
Locking Device for Charging
Lever
(WLHANDLC)
The charging lever can be
locked with a padlock to
prevent manually charging
the stored energy mechanism.
Locking Device Against
Resetting the Trip Indicator
(included with WLTUSC55 and
WLTUSC76)
A lockable cover prevents the
manual resetting of the trip
indicator after a tripping. This
locking device is delivered
together with the optional
transparent cover for
trip unit.
Sealing Devices
Sealing Cap over
“Electrical CLOSE” Button
(included with WLLECS)
The “electrical CLOSE button”
is fitted with a sealing cap
as standard.
Sealing Cap over “mechanical
CLOSE” and “OPEN” button
(included in the WLLKKT
lock kit)
The lock kit includes blanking
caps that can be sealed.
Sealing Cover for
Electronic Trip Unit
(WLTUSC55, WLTUSC76)
The transparent cover can be
sealed. The areas of the
parameter setting are covered
against unauthorized access.
Openings enable access to the
query and test button.
Locking Devices
Closing Lockout with
Open Cubicle Door
(WLDRLC5)
The ready-to-close indicator is
mechanically deactivated if
the cubicle door is open. The
circuit breaker cannot be
closed either mechanically or
electrically. Transmission of
the locking signal is by means
of the Bowden wire.
Interlocking of Cubicle Door
The cubicle door cannot be
opened if the drawout circuit
breaker is in connected
position.
Access Locking through the
“Mechanical CLOSE” and
“OPEN” Button
(included in the WLLKKT
Lock Kit)
The mechanical “CLOSE” and
“OPEN” buttons are protected
by a cover that only permits
actuation with a tool. These
caps are components of the
interlocking set.
Additional Equipment for
Guide Frames
Shutter
The cover strips of the shutter
lock the laminated contacts of
the guide frame if the
drawout circuit breaker is
withdrawn so that they fulfill
the function of a touch guard.
The cover strips can be
manually opened with the strip
lifter.
The cover strips can be fixed in
different positions with
padlocks and protected from
unauthorized manipulation.
Rated Current Coding
between Circuit Breaker
and Guide Frame
Drawout circuit breakers and
guide frames are equipped
with a rated current coding
as standard.
This ensures that in a guide
frame only those circuit
breakers can be inserted whose
contact strips match the
laminated contacts of the guide
frame (see picture above).
Option Related Coding
(WLBCK2, WLBCK3)
Drawout circuit breakers
and guide frames can be
retrofitted with an option
related coding.
This permits the unique
assignment of circuit breakers
and guide frames, taking into
account different equipment.
If circuit breakers and guide
frames do not have the same
coding, it is not possible to
insert the circuit breaker.
There are 36 selectable coding
options.
(1)
(3)
(2)
NSE01031
(4)
(5)
NSE01032
(1) Guide Frame, inside left; inside right are the same
(2) Coding Bolt on the Guide Rail in the Guide Frame
(3) Guide Rail
(4) Drawout Circuit Breaker right side; left side are the same
(5) Coding Bolt on Guide Frame
WL_SA_intro-sec1.qxd 2/7/05 1:26 PM Page 50
To Next Page
Loading...
