TS 840 TRANSFER SWITCH
PM057 REV 8 10/01/25 9 Thomson Technology
transfer controller provides a standard neutral position delay timer to allow adequate voltage decay
during transfer operation to prevent out of phase transfers.
Note: For the purpose of this manual, the following standard nomenclature is utilized:
• Utility: to indicate the source of primary power
• Generator: to indicate the source of standby power
• Power switching device: to indicate the transfer switch power switching device