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  2. UE Controls 12 Series temperature switches Sensor Type R1-R4

UE Controls 12 Series temperature switches Sensor Type R1-R4

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Sensor Type R, 304 Stainless steel bulb and capillary. Non-Belleville actuation

12 Series hazardous location switches are ideal for operation in tough applications where space is at a premium.

  • 12 Series Electrical Rating
  • 12 Series Switch Output
  • 12 Series Electrical Conduit
  • 12 Series Sensor type
  • Temperature parameters

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United Electric Controls
Pressure switches, temperature switches, thermocouples, RTDs, pressure and temperature transmitters, gas detection

A snap-action Belleville spring assembly is used in most models to provide
vibration resistance and prolonged switch life. The 316 stainless steel enclosure and hermetically sealed switch provide rugged protection from the environment. Approved for use in hazardous locations worldwide, the 12 Series is installed within applications ranging from offshore oil rigs to rotating equipment, and more

Specifications for UE Controls 12 Series temperature switches Sensor Type R1-R4

12 Series Electrical Rating L: 1 amp or H: 5 amp
12 Series Electrical Conduit N: 1/2” NPT, male or M: M20 metric thread, male
Temperature parameters TYPE R1 -Set Point Range: -130 to 120 °F / Max. Temperature: 170 °F/ Stem or Bulb Size: 3/8 O.D. x 4-7 ⁄ 8" or TYPE R2 -Set Point Range: 0 to 150 °F / Max. Temperature: 200 °F/ Stem or Bulb Size: 3/8 O.D. x 7-1 ⁄ 4" or TYPE R3 -Set Point Range: 50 to 300 °F / Max. Temperature: 350 °F/ Stem or Bulb Size: 3/8 O.D. x 4-7/8" or TYPE R4 -Set Point Range: 150 to 650 °F / Max. Temperature: 700 °F/ Stem or Bulb Size: 3/8 O.D. x 4"
12 Series Switch Output S: SPDT
12 Series Sensor type R: 304 st/st remote bulb and capillary
UEONLINE J12 Series Datasheet-comprimido.pdf
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  • UL, cUL, ATEX and IECEx approved for Div. 1 or Zone1 hazardous locations; CE Compliant
  • Dual seal compliant to ANSI/ISA 12.27.01 & NEC 501.17
  • Many models compliant to NACE MR0175.
  • Snap-acting Belleville spring for long life, vibration resistance and stability
  • Optional Hastelloy* and Monel* sensor material for corrosive media
  • Mounting bracket available for retrofit applications
  •  72" leadwires
  • 3-year warranty


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UE Controls 12 Series temperature switches Sensor Type R1-R4