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SECTION 3.2
OPERATIONAL ANALYSIS
V-TYPE PREPACKAGED
TRANSFER SWITCHES
PART 3
Page 3.2-8
UTILITY
RESTORED,
RETRANSFER
BACK
TO
UTILITY
As the utility coil pulls the transfer switch to an OVER CENTER position, the switch mechanically snaps to
UTILITY. On closure of the main contacts to the utility power source side, Limit Switches XA1 and XB1 are
mechanically actuated to arm the circuit for transfer to STANDBY.
Figure 8. Utility Restored, Retransfer Back to Utility.