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Part #C51AAA060A-045A

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  • Hermetic glass seal, isolated-case only
  • Ideal for immersion sensing
  • Multiple mounting and terminations available
  • UL and CSA recognized component


Contact Ratings Cycles 
120VAC / 32 VDC
125VAC pilot duty to 240VAC
3 (resistive)
1.5 (resistive)
2.5 (resistive)
Case Type
isolated case
isolated case
isolated case
Contact Operations Either close on rise (make) or open on rise (break), SPST (Single Pole, Single Throw)
Operating Temperature +35ºF to 480ºF (+1.67ºC to 249ºC)
Dielectric Strength 1800 Vrms, 60Hz terminals to case
Insulation Resistance 60 megaohms at 500 VDC
Vibration .06DA, 10-55 Hz, 20G 20-2000 Hz
Shock .75G 6ms duration (sawtooth)
Pressure Exposure Limit Standard tube will withstand 1500 psi max
Approvals UL E36687 and E66685, CSA LR25561-6 and LR25561-8
Material Stainless steel body and tube, compression glass seal, Mylar® sleeve, epoxy fill potting, stainless orplated steel terminals, fine silver contacts
Contact Operation Family Terminal Selection Mounting Thread Selection Tube Length Selection Top Temperature (in °F) Top Temperature Tolerance Code Bottom Temperature (in °F) Bottom Temperature Tolerance Code

O, C

See Contact Operation Table

5100 Series

A, B, C, D, E, F

See Terminal Selection Table

A, B, C, E, F

See Mounting Thread Selection Table

A, B, C

See Tube Length Table

See Temperature Code and Tolerance Table

A, C, N

See Temperature Codes and Tolerance Table (Available in Increments of 5°F)

See Temperature Codes and Tolerance Table

A, C, N, Y

See Temperature Codes and Tolerance Table

  • Hydraulic Systems
  • Degreasers
  • Industrial and Portable Compressors
  • Refrigeration Systems
  • Generator Sets
  • Chemical Baths
  • Engine Coolant
  • Oil and Transmission Protection

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