X1009 – Close-On-Rise (SPST), 1/2-20UNF-3A Thread

In our Rod & Tube bimetal Thermal Switch products, contact movement is achieved via differences in the coefficients of expansion of two materials, in this case the outer tube and the inner rod. This family of switches is chracterized by very rapid response time and very high temperature sensing.

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  • SPST, slow make-and-break expanding rod sensing element
  • Setpoint Range: 0F - 850F (-17C - 454C)
  • Setpoint Tolerance: setpoint dependent
  • Stainless-steel and inconel construction
  • Two #8-32 screw terminal connections
  • Probe lengths available from 2.25" - 5.00" (4" max. setpoints 435F - 850F)


Other X1 switch configurations with 1/2-20UNF-3A threads:

X1010 = close-on-fall
X1031 = open-on-fall
X1032 = open-on-rise

Other X1 designs with 1/2-20UNF-3A threads and glass-sealed connectors:

X1015 = close-on-rise, M83723 connector