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Thermo Fan Switches

  • The thermo fan switch is designed to control operation of the electric thermo fan(s). The thermo fan switch responds to changes in engine coolant temperature, providing circuit switching during a predetermined temperature range allowing fan operation.
  • The thermo fan switch must be compatible with the vehicle engine management system; the Tridon thermo fan switch range has been carefully researched and engineered to operate within original equipment manufacturer's specifications for each specific application.
  • Please refer to the Tridon Part Finder for the correct thermo fan switch for your application.

 
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Part NoNameFeaturesPhoto
TFS100Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 80°C
TFS101Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 75°C
TFS102Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 95°C - 90°C
TFS103Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 95°C - 90°C
TFS104Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 3
  • Circuit: Dual - Normally Open - Normally Open
  • Operating Temp: 95°C - 85°C & 102°C - 87°C
TFS105Fan switch
  • Spanner: 22mm
  • Thread: M14 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 102°C - 97°C
  • Replaces original red part.
TFS106Fan switch
  • Spanner: 22mm
  • Thread: M14 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 95°C - 90°C
TFS107Fan switch
  • Spanner: 24mm
  • Thread: M14 x 1.5
  • Terminals: 3
  • Circuit: Dual - Normally Open - Normally Open
  • Operating Temp: 91°C - 86°C & 99°C - 94°C
TFS108Fan switch
  • Spanner: 22mm
  • Thread: M14 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 100°C - 95°C
TFS109Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS110Fan switch
  • Spanner: 21mm
  • Thread: 3/8 GAS
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 85°C - 80°C
TFS111Fan switch
  • Spanner: 21mm
  • Thread: 3/8 GAS
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 95°C - 90°C
TFS113Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 95°C - 90°C
TFS114Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 90°C - 85°C
TFS115Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 95°C - 90°C
TFS116Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS119Fan switch
  • Spanner: 19mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Closed
  • Operating Temp: 90°C - 85°C
TFS120Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 90°C - 85°C
TFS121Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS123Fan switch
  • Spanner: 24mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 92°C - 87°C
TFS124Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS126Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 100°C - 95°C
TFS127Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS128Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 92°C - 77°C
TFS129Fan switch
  • Spanner: 24mm
  • Thread: M18 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 105°C - 100°C
TFS130Fan switch
  • Spanner: 24mm
  • Thread: M18 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS131Fan switch
  • Spanner: 24mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS132Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
TFS133Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS134Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
TFS135Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 92°C - 87°C
TFS136Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 90°C - 85°C
TFS137Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 105°C - 100°C
TFS139Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 85°C - 80°C
TFS140Fan switch
  • Spanner: 22mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
TFS141Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
TFS142Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
TFS143Fan switch
  • Spanner: 24mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS144Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 90°C - 85°C
TFS145Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 102°C - 97°C
TFS146Fan switch
  • Spanner: 29mm
  • Thread: M22 x 1.5
  • Terminals: 2
  • Circuit: Normally Closed
  • Operating Temp: 115°C - 110°C
TFS147Fan switch
  • Spanner: -
  • Thread: Push in style
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 115°C - 105°C
TFS148Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 95°C - 90°C
TFS150Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 90°C - 85°C
TFS151Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 95°C - 90°C
TFS152Fan switch
  • Spanner: 19mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Closed
  • Operating Temp: 90°C - 85°C
TFS153Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Closed Ground
  • Operating Temp: 85°C - 80°C
TFS154Fan switch
  • Spanner: 17mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 105°C - 100°C
TFS155Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 1
  • Circuit: Normally Open Ground
  • Operating Temp: 50°C - 45°C
TFS156Fan switch
  • Spanner: 21mm
  • Thread: M16 x 1.5
  • Terminals: 2
  • Circuit: Normally Open
  • Operating Temp: 85°C - 80°C
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