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Murphy 165F/74C Direct Mount Temperature Switch TSB-R165F/74C

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Murphy 165F/74C Direct Mount Temperature Switch - TSB-R165F/74C

Product Condition: NEW
Murphy 165°F/74°C Direct Mount Temperature Switch TSB-R165F/74C

Availability: In stock


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The Murphy 165F/74C Direct Mount Temperature Switch TSB-R165F/74C is a direct mount switch for temperature sensing. It has one limit contact that can be used to activate an alarm, actuate indicator lights or shut down equipment. The construction of this instrument is the same as our time-proven Swichgage. A precision machined brass mounting plate and port captures a high quality stamped beryllium copper diaphragm. The single pole, double-throw (SPDT) snap switch is operated directly from the diaphragm, for quick acting and positive switching. Trip point is factory preset according to your specifications. Housing is weather sealed to prevent entry of moisture, dust, etc. A glass-filled nylon terminal block with quick-screw terminal connections gives the TSB switch a real advantage in industrial engine applications. The TSB is ideal when reading is not desired, but temperature is critical to operational efficiency.

Appilcations: Engine Coolant, Irrigation Systems, Compressors, Oil Field Systems, Engine Lubrication, Construction equipment, Mobile Equipment, Marine Engines, Generators and Electric Motors



  • Fits most engine applications
  • SPDT snap-switch
  • Activates indicator lights, alarms or shut down equipment
  • Time-proven Swichgage construction
  • Easy wiring terminal block
  • Steel housing specially coated to resist corrosion
  • Trip point is factory preset to your specifications (minimum quantities apply)



  • Part No.: TSB-R165F/74C
  • Standard Switch Trip Point Rising: 165°F (74°C)
  • Housing: Plated steel
  • Diaphragm: Formed beryllium copper (heat treated)
  • Sensing Bulb: Copper.
  • Terminal Block: Three # 4-40 screws
  • Contact Rating: SPDT 3 A @ 30 VDC inductive
  • Maximum Temperature: 325°F (163°C)
  • Contact: Operates on rising temperature only
  • Shipping Weight: 10 oz (0.31 kg)
  • Shipping Dimensions: 4-3/4 x 4-3/4 x 2-5/8 in. (121 x 121 x 67 mm)


NOTE: Non standard trip points require a minimum quantity order. Trip point must be in 5°F increments between 150– 295°F (66–146°C).

Additional Information

Product Condition NEW
upc No

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