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Instructional Booklet
Page 14 Effective: March 2007
Fixed and Drawout Magnum Transfer Switches
Figure 17. ATC-800.
3.5 Neutrals
All 2-pole and 3-pole transfer switches are equipped with 100%
rated neutral connections (Figures 18 and 19). Different lug con-
figurations are available (See Option 21A).
Figure 18. Neutral SE with Ground Fault.
Figure 19. Solid Neutral.
3.6 Features
Switch options, which are not part of the logic scheme, are avail-
able to meet a variety of other application requirements. Options
are numbered with an associated description. More detailed selec-
tions, which must be made within a specific option number, are
identified by letters. For available options associated with the
logic scheme, refer to the specific logic document associated with
the type of logic selected.
14. Relay Auxiliary Contacts
Provides Form “C” relay auxiliary contacts.
E. Source 1 Available: Provides one Form “C” relay auxiliary con-
tact. The relay is energized when Source 1 is available.
F. Source 2 Available: Provides one Form “C” relay auxiliary con-
tact. The relay is energized when Source 2 is available.
Load
Connections
Source
Connections
Ground
Connections
NOTICE
OPTIONS ARE UL LISTED, EXCEPT AS NOTED, WHEN SUPPLIED ON
UL LISTED SWITCHES. IF AN OPTION IS SELECTED WHICH IS NOT
UL LISTED, THE SWITCH WILL NOT HAVE A UL LABEL.
NOTICE
NOT ALL OPTIONS ARE AVAILABLE FOR ALL TRANSFER SWITCH
CONFIGURATIONS. IF IN DOUBT, CHECK PRICE LIST 29-920 FOR
THE AVAILABILITY OF OPTIONS FOR A SPECIFIC TRANSFER
SWITCH DESIGN. THE OPTION NUMBERS USED HERE CORRE-
SPOND TO THE NUMBERS USED IN THE PRICE LIST.
Load
Connections
Source
Connections
Ground
Connections