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Standard Size Thermocouple Connector Most Popular Round Pin TC Connector
OSTW-(*)

Round Pin Thermocouple Connector
Captive Cover Screws
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 220°C (425°F)
HST & HSTW Series Rated to 260°C (500°F)
Available with Quick Wiring Caps-- Simply Insert Wires in Caps and Tighten Screws
Universal Female Jack Works with Std or Mini Male Plugs




OSTW-( )-( ) 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:

Round pin 3 pole, 3 prong TC connector shape.
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.


Product Selection (Specify Model Number, see variations below in partnumber builder table)
 Part Number   Availability   Price    Description   
 OSTW-K-M in-stock    $2.50     Glass-filled nylon male connector, w/ window, type K  
 OSTW-K-M-ROHS in-stock    $2.50     ROHS - Glass-filled nylon male connector, w/ window, type K  
 OSTW-T-M in-stock    $2.50     Glass-filled nylon male connector, w/ window, typeT  
 OSTW-J-M in-stock    $2.50     Glass-filled nylon male connector, w/ window, type J  
 OSTW-E-M in-stock    $2.50     Glass-filled nylon male connector, w/ window, type E  
 OSTW-R/S-M in-stock    $2.50     Glass-filled nylon male TC connector, w/ window, type R/S  
 OSTW-U-M in-stock    $2.50     Glass-filled nylon male TC connector, w/ window, type U  
 OSTW-N-M in-stock    $2.50     Glass-filled nylon male TC connector, w/ window, type N  
 OSTW-K-F in-stock    $3.60     Glass-filled nylon female connector, w/ window, type K  
 OSTW-K-F-ROHS in-stock    $3.60     ROHS - Glass-filled nylon female connector, w/ window, type K  
 OSTW-T-F in-stock    $3.60     Glass-filled nylon female connector, w/ window, type T  
 OSTW-J-F in-stock    $3.60     Glass-filled nylon female connector, w/ window, type J  
 OSTW-E-F in-stock    $3.60     Glass-filled nylon female connector, w/ window, type E  
 OSTW-J-MF in-stock    $6.10     Glass-filled nylon male/female connector, w/ window, type J  
 HSTW-U-MF in-stock    $6.50     Liquid crystal-polymer male/ female connector, w/ window, Uncompensated contacts for Type B or non-thermocouple use  
 HSTW-E-M in-stock    $2.70     Liquid crystal-polymer male connector, w/ window, type E  
 HSTW-K-F in-stock    $3.80     Liquid crystal-polymer female connector, w/ window, type K  
 HST-T-MF in-stock    $6.50     Liquid crystal-polymer male/ female connector, w/o window, type T  
 HST-K-F in-stock    $3.80     Liquid crystal-polymer female connector, w/o window, type K  
 HST-N-M in-stock    $2.70     Liquid crystal-polymer male connector, w/o window, type N  
 
All dollar amounts on this site are shown in US currency.

 Note: To Order: Specify "MF" for a connector pair, "M" for male connector only, or "F" for female connector only. Add "Q" to model number for quick wiring cap.
IEC color code connectors available. Add "I" to the calibration code letter example "-KI- or -JI-" for a male or female connector . Example K IEC male is "OSTW-KI-M"
 Ordering Example: (1) OSTW-K-M Standard size write-on window male connector, type K = $2.5
 Part Number Builder
(1) (2) (3)
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Option Descriptions
(1) Connector Body
  Select
OSTW for Glas-Filled Nylon w/Window
HST for Liquid Crystal Polymer w/o Window
HSTW for Liquid Crystal Polymer w/Window
(2) Thermocouple Calibration
  Select
K for K Thermocouple
J for J Thermocouple
T for T Thermocouple
E for E Thermocouple
R/S for R/S Thermocouple
U for Uncompensated or B Thermocouple
N for N Thermocouple
(3) Connector Contacts
  Select
M for Male Connector Only
F for Female Connector Only
MF for Male/Female Pair
 NOTE: All combinations may not be valid, check spec sheet for valid part numbers.


   
Keywords: Standard Size Connector , TC connector, TC plug, TC jack, thermocouple connector ,Round Pin

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