Sylvania
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About Sylvania
Browse over 40 Sylvania breakers and industrial electrical control parts, including TB and QSF series components. This page covers vintage magnetic contactor coils, auxiliary contact blocks, and associated replacement hardware for heritage electrical power systems.
Series on this page
Series on this page include TB and QSF.
Popular part numbers
How to choose
Select your replacement parts by matching the specific Sylvania series, such as TB or QSF, with your current motor control equipment. Verify coil voltages or contact configurations required for your specific starter size. Match original manufacturer part numbers directly to avoid compatibility issues. Confirm the part matches your equipment before ordering.