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For more information visit: www.Eaton.com IB01602011E
Instructional Booklet
Page 6 Effective: March 2007
Fixed and Drawout Magnum Transfer Switches
1.3 Magnum Fixed and Drawout Switching Devices
1.3.1 General Magnum Switching Device
The Magnum switching devices used in the Magnum transfer
switches are air switching devices utilizing an electronic tripping
system. They are available in both fixed and drawout versions,
both of which are used in the Magnum transfer switch depending
on the specific transfer switch ordered.
Figure 5. The Magnum Fixed Switching Device.
Figure 6. The Magnum Drawout Switching Device.
The Magnum transfer switches are available in the following con-
figurations:
Table 2. Magnum Transfer Switch Configurations
All Magnum switching devices are 100% rated, Underwriters Lab-
oratories (UL) listed, and are built and tested in an ISO 9002 certi-
fied facility to applicable NEMA, ANSI, IEEE, and UL standards.
For more information on Magnum switching devices, consult the
Magnum switching device manual supplied with the transfer
switch.
The main difference between the fixed and drawout versions of
the Magnum switching devices used in the Magnum transfer
switch is the mounting method. Fixed switching devices are
bolted directly into the transfer switch frame while drawout
switching devices are mounted in an extendable carriage within
the transfer switch, allowing the switching device to be “drawn
out” for service, maintenance, and/or replacement.
NUMBER OF
SWITCHING DEVICES
SWITCHING DEVICE
TYPE
2Fixed
2 Drawouts
4 Drawouts