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Standard Size Thermocouple Connectors

Standard Size Thermocouple Connector Most Popular Round Pin TC Connector

Item# HSTW-UI-M-S

Standard Size Thermocouple Connector Most Popular Round Pin TC Connector HSTW-UI-M-S HSTW-UI-M-S
  • Universal Female Works with Standard Round Pins or Miniature Flat Pins
  • Quick Connect Contact Washers
  • ANSI or IEC Color Coded
  • Hollow-Pin Construction
  • Accepts Stranded or Solid Wire up to Size 14 AWG
  • Glass-Filled Nylon and Liquid Crystal Polymer Connectors are Mutually Compatible -- as Well as with All Industry Standard Size Connectors
  • OSTW Series Rated to 180&degC (356&degF)
  • HST & HSTW Series Rated to 260&degC (500&degF)
  • Available with Quick Wiring Caps-- Simply Insert Wires in Caps and Tighten Screws
  • Captive Cover Screws

HSTW-UI-M-S Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Sensing Type
Thermocouple Calibration Type
Temperature Range
Connector Gender
Calibration Standard
RoHS Compliant
Additional Features
Connector Style
No. of Pins/Sockets


  • Maximum Ambient Temperature OSTW Series Rated to 180°C (356°F)
  • Maximum Wire Size 14 AWG
  • Wire Type Stranded or Solid
OSTW Series connectors are standard size round pin 2 pole TC connectors. They connect or extend TC wire and cable to thermocouple sensors, temperature instrumentation and process controllers.This popular series of TC connector is available in all thermocouple calibration code colors. The contact washer feature allows the installer to use a straight wire strip. This greatly cuts installation/termination time and eliminates the torque that is normally associated with wire that is looped around a termination screw.
OSTW-( )-F female jack is Universal it will accept standard size round pin or mini size flat pin male TC connector plugs.

Some other designs:
SMPW_SMP_HMP_HMPW">Mini size flat 2 pin TC connector design.
OTP">Round pin 3 pole, 3 prong TC connector shape.
MTP">Flat pin 3 pole, 3 prong TC connector shape.

Examples of pricing for popular models is referenced in the "To Order" box. Use the "Part Number Builder" below to get pricing for all available models.
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