TS 880 TRANSFER SWITCH
PM064 REV8 10/01/25 1 Thomson Technology
1. PRODUCT REVISION HISTORY
The following information provides an historical summary of changes made to this product since
the original release.
Operating & Service Manual Version
Rev 0 04/11/15
Original release.
Rev1 04/12/21
Additional information for Closed Transition Operation
Rev 2 05/03/08
Changes to incorporate reversing style ATS motor for 100-250A
transfer switches
Rev 3 05/05/11
Changes to Section 5 & Section 21.
Rev 4 06/05/08
Changes to Section 13.
Rev 5 07/02/01
Changes to Section 13.
Rev 6 07/02/27
Changes to Section 12, Cable Terminal Information
Rev 7 08/03/05
Changes to Incorporate new S-Style mechanism (100A, 150A,
200A, 250A)
Rev 8 10/01/25
Changes to Incorporate Seismic Certification and Mounting
Requirements
Contact Thomson Technology, to obtain applicable instruction manuals or if in doubt about any
matter relating to installation, operation or maintenance. Soft copy of the most current version is
available at www.thomsontechnology.com.
NOTE: All information contained in this manual is for reference only and is subject
to change without notice.
2. EQUIPMENT STORAGE
The following procedures are required for correct storage of the transfer switch prior to installation.
2.1. ENVIRONMENTAL CONDITIONS
CAUTION!!!
Failure to store and operate equipment under the specified environmental conditions may
cause equipment damage and void warranty.
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