Circuit Breaker Inser On - AEG ME09 Installation, Operation And Maintenance Manual

1.4-05
INTRO BREAKER
TRIP UNIT
LOCKS ACCESSORIES
Otherwise the motor will recharge the springs --
Remove any padlocks from the racking panel.
-- Ensure the cabinet/panel door is closed.
Opera on:
1. Remove the racking handle from its storage loca on (Fig. 1.9).
2. Pull out the torque bar from inside the handle and extend
the grip arm (Fig. 1.10).
3. Open the racking aperture shu er by inser ng and rota ng
a at screwdriver by 90°. (see Fig.1.11)
4 . Insert the racking handle and rotate counterclockwise.
The posi on indicator moves from the CONNECTED through
the TEST (Fig. 1.11B) to DISCONNECTED posi ons.
NOTICE: When the racking handle is inserted in the racking
sha , the circuit breaker cannot be operated in any posi on
between
CONNECTED and DISCONNECTED.
Removing the handle automa cally resets the racking handle
shu er.
5. From the DISCONNECTED posi on, con nue turning the
racking handle an -clockwise un l reaching a posi ve stop.
NOTICE: Ensure that the closing springs are fully discharged
(spring charge indicator should show 'Discharged') before
a emp ng to withdraw from the DISCONNECTED posi on.
6. The circuit breaker is now in the maintenance posi on (Fig.
1.12).
In this posi on the cabinet/panel door can be opened and
means for li ing can be a ached to the li ing hooks which
can be pulled out from the le and right top of the breaker
..see Table 1.21

1.4.6 Circuit breaker inser on

Prepara on:
-- Remove padlocks from the draw out support slides.
-- Remove all other padlocks from the casse e.
-- Deac vate any casse e keylocks.
1. Carefully place the breaker on the fully extended draw out
support slides, taking care that the rollers are correctly
engaged. (Fig.1.12)
2. Remove any s ll a ached li ing means from the device.
3. Push the breaker into the casse e by applying pressure to
the front fascia (le and right top area) un l the mo on
comes to an end.
4. Close the cabinet/panel door.
5. Prepare the casse e and racking handle as men oned
above (point 1 through 4) and insert the handle into it's
aperture.
6. Rota ng the racking handle clockwise moves the breaker in.
It can be moved from the disconnect posi on to the test
posi on and further to the connected posi on, as indicated by
the posi on indicator (Fig. 1.11B).
TESTS APPENDIX