Door Interlock Mechanism; Withdrawing A Unit - Eaton Power Xpert UX 12 User Manual

Unit: from Test to Service position.
1. Insert the 58-pole plug into the socket
2. Check that the unit is Off.
3. If there is an earthing switch on the panel, ensure it
is switched Off.
4. Close the panel door of the compartment
5. Turn the knob (1) located in the centre bottom of the
door anti-clockwise until the operating hole is free
6. Fit the hand crank to the drive shaft and push a little
to unlock the spindle mechanism and the handle will
rotate.
7. Turn the hand crank clockwise until the unit is fully
inserted
8. Remove the hand crank. Releasing the interlocking
mechanism, the hand crank has to be turned a little
in the opposite direction until a spring is released
and the operating hand crank is pushed back.
9. The unit is now locked in the Service position and is
fully operational.
4.2.3

Door interlock mechanism

It is only possible to rack unit from Test position to
Service position when door closed
4.2.4

Withdrawing a unit

Withdrawal from Service to Test position
1. Check that the unit is Off
2. Turn the knob (1) located in the centre bottom of the
door anti-clockwise until the operating hole is free
3. Fit the hand crank to the drive shaft and push a little
to unlock the spindle mechanism
4. Turn the hand crank anti-clockwise until the unit is
fully withdrawn and the handle is tight.
5. To release the interlocking mechanism the handle
has to be turned a little in the opposite direction until
a spring is released and the handle crank is pushed
back
6. Remove the hand crank. The unit is now in the Test
position and the door can be opened.
®
Power Xpert UX with W-VACi circuit breaker 6063308 G01 01 14 July 2011 www.eaton.com
Fig. 4-6 Placing the 58-pole plug into the socket
1
Fig. 4-7 Rack IN-OUT with closed door
1. Knob
System operation
43