Power Xpert
®
UX with W-VACi circuit breaker 6063308 G01 01 14 July 2011 www.eaton.com
2.1.3 Circuit Breaker or Contactor Unit Positions
Each unit can be placed in any one of three positions:
Insert / Removed position
The unit is put / placed in the insert /
removed position when:
The compartment door is open
The unit is moved to the front of the
panel ready for insertion, or
The unit is moved completely out of
the panel.
Test position
The unit is put / placed in the test
position, when:
The unit is in the panel but
moved to the front of the
compartment,
The primary contacts are
disconnected, the shutters
are closed and
The 58-pole secondary plug
is connected (control over
the operation of the unit is
now possible )
The compartment door can
be opened.
Service position
The unit is put / placed in the service
position, when:
The unit is fully inserted and
engaged into the compartment.
The primary contacts are
connected and
The 58-pole secondary plug is
connected
The compartment door cannot be
opened.
In emergency situations, the door
interlock can be defeated with the
use of tools.
2.1.4 Cable connections
Cables can be connected in a number of ways.
Connection from the front or rear of the panel with cable
lugs is standard.
Besides primary cables, secondary and auxiliary cables
may also be installed.
1. Spout containing fixed contact, cable side.
2. Current transformer.
3. Earth switch.
4. Power cable
5. Cable glanding plate
Fig. 2-3 Cable connections
To Next Page
Loading...
