System operation
40
Power Xpert
®
UX with W-VACi
circuit breaker 6063308 G01 01 14 July 2011 www.eaton.com
4.1.3
Mechanical operation door closed
When the door is closed, the circuit breaker can be
manually switched ON or OFF by using the two buttons
on the front of the compartment door. The Close button is
an option and may or may not be operational. VCB with
locking coil option needs to be used when choosing
“close” feature.
NOTE
If you are not sure whether the switch is working
properly, carry out the following procedure:
Look through the window in the door and check to
see if the switch is in the SERVICE or TEST position.
The switch should be fully racked in the SERVICE
position. Check that spring position indicator on the
switch is in the ‘spring charged’ position.
NOTE
The door cannot be opened when the switch is in the
SERVICE position.
Switching ON
Turn the change-over knob (2) anti-clockwise to the
end stop.
Press firmly on the “ON” button (1), the unit will switch
ON
Switching OFF
Turn the change-over knob (2) clockwise to the end
stop
Press on the “OFF” button (3) , the unit will switch
OFF
Fig. 4-3 Mechanical operating closed door
1. “ON” button
2. Change-over knob
3. “OFF” button
4.1.4
Electrical operation
The procedures described here apply to operation from
the Low Voltage control panel door.
The circuit breaker and or contactor can also be
electrically operated by remote control.
When operated electrically, a motor automatically
tensions the closing spring of the circuit breaker.
The circuit breaker and / or contactor can be switched ON
and OFF in both the SERVICE and the TEST positions,
however the control plug must be connected to allow for
electrical operation of the units.
An optional electro-mechanical interlock can be fitted to
ensure that the breaker cannot be operated On or OFF
without the secondary plug being connected
Switching on
Press the ON button.
The unit switches on.
The position indicator on the mimic, if fitted, indicates
the unit is in the ON position.
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