20490 SENSATA | Alldatasheet

Document overview

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Technical content

Features

Applications

  • Double Pole Single Throw (DPST)
  • Automatic Reset or Manual Reset/Trip Free
  • Heavy Duty Capacity - up to 48 amperes per pole on 20493
  • Snap-Action resists shock and vibration regardless of mounting position
  • UL Recognized for USA and Canada (20490 only)
  • Tamperproof – temperatures are factory set to customer requirements
  • Molded Phenolic Case – UL V-0 rated material which seals out lint, dust, and other contamination
  • High Reliability
  • Electric heaters
  • Laundry applications
  • Major appliance applications SPECIFICATIONS Contact Operations Automatic Reset (100K cycles) or Manual Reset/Trip Free (6K cycles) Operating Temperature 0-300°F (Automatic Reset) and 100-300°F (Manual Reset) Terminal Configurations 0.250” X 0.032” flat, 45°, 90° male quick connect 0.187” X 0.032” 90° male quick connect #8-32NC flat and 45° screw terminals #10-24 45° screw terminals (20493 only)

www.sensata.com Page 2 Copyright © 2017 Sensata Technologies, Inc. Automatic Reset Manual Reset Auto Reset (100,000 Cycles/Pole) Electrical Clearances Manual Reset (6,000 Cycles/Pole) Temperature Range (°F) Tolerances Nominal Temperature DifferentialOpen Close 0 to 80 ±6 ±7 20 to 60 81 to 200 ±5 ±7 20 to 60 201 to 250 ±6 ±8 20 to 60 251 to 300 ±7 ±10 20 to 60 Opening Temperature Range (°F) Tolerances 100 to 200 ±5 201 to 250 ±6 251 to 300 ±7 20490* Resistive 25 amperes at 240 VAC Motor Load 10 FLA-60 LRA at 120 VAC

5 FLA-30 LRA at 240 VAC

Pilot Duty 125 volt-amperes at 120 VAC 20491* Resistive 25 amperes at 600 VAC Motor Load 4 FLA-8 LRA at 480 VAC Pilot Duty 690 volt-amperes at 240 VAC to 480 VAC Type Through Air Over Surface 20490 1/4” 3/8” 20491 3/8” 1/2” 20492 3/8” 1/2” 20493 3/8” 1/2” 20492* Resistive 25 amperes at 600 VAC Motor Load 10 FLA-60 LRA at 120 VAC Pilot Duty 690 volt-amperes at 240/600 VAC 480 volt-amperes at 120 VAC 20493* Resistive 48 amperes at 600 VAC Motor Load 16 FLA-96 LRA at 120 VAC

8 FLA-48 LRA at 240 VAC

Pilot Duty 690 volt-amperes at 240/600 VAC 480 volt-amperes at 120 VAC MANUAL RESET ELECTRICAL RATINGS

+1 (888) 438 2214 sensors@sensata.com Europe, Middle East & Africa +31 (74) 357 8156 temperature-info.eu @sensata.com Asia Pacific sales.isasia@list.sensata.com China +86 (21) 2306 1500 Japan +81 (45) 277 7117 Korea +82 (31) 601 2004 India +91 (80) 67920890 Rest of Asia +886 (2) 27602006 ext 2808 DIMENSIONS AGENCY APPROVALS AND CERTIFICATION Agency File Number UL MP986 (20490 only) ENEC 2018218.02 (20490 only) (All dimensions are in inches unless otherwise noted.) Standard 0.250 wide X 0.032 thick spade type quick connect terminals 0.050 R 1.140 0.604 0.312 0.170 62º 1.56 0.062 2.00 90º 1.11 0.855 0.381 1.190 DIA 1.50 1.642 0.020 20490 and 20491 Double Pole, Single Throw Small Oval Flange Top Mounting Quick Connect Terminal 20492 and 20493 Double Pole, Single Throw Manual Reset Small Oval Flange Top Mounting Screw Type terminals 0.050 R 1.140 0.604 0.312 0.170 62º 1.56 0.062 2.00 1.190 DIA 1.50 2.642 1.906 0.036 45º 0.020 1.26 #10-24NC 2 TAP Page 3 Rev:08/02/18 www.sensata.com CONTACT USCopyright © 2018 Sensata Technologies, Inc. Sensata Technologies, Inc. (“Sensata”) data sheets are solely intended to assist designers (“Buyers”) who are developing systems that incorporate Sensata products (also referred to herein as “components”). Buyer understands and agrees that Buyer remains responsible for using its independent analysis, evaluation and judgment in designing Buyer’s systems and products. Sensata data sheets have been created using standard laboratory conditions and engineering practices. Sensata has not conducted any testing other than that specifically described in the published documentation for a particular data sheet. Sensata may make corrections, enhancements, improvements and other changes to its data sheets or components without notice. Buyers are authorized to use Sensata data sheets with the Sensata component(s) identified in each particular data sheet. HOWEVER, NO OTHER LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE TO ANY OTHER SENSATA INTELLECTUAL PROPERTY RIGHT, AND NO LICENSE TO ANY THIRD PARTY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT, IS GRANTED HEREIN. SENSATA DATA SHEETS ARE PROVIDED “AS IS”. SENSATA MAKES NO WARRANTIES OR REPRESENTATIONS WITH REGARD TO THE DATA SHEETS OR USE OF THE DATA SHEETS, EXPRESS, IMPLIED OR STATUTORY , INCLUDING ACCURACY OR COMPLETENESS. SENSATA DISCLAIMS ANY WARRANTY OF TITLE AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT, QUIET POSSESSION, AND NON-INFRINGEMENT OF ANY THIRD PARTY INTELLECTUAL PROPERTY RIGHTS WITH REGARD TO SENSATA DATA SHEETS OR USE THEREOF. All products are sold subject to Sensata’s terms and conditions of sale supplied at www.sensata.com SENSATA ASSUMES NO LIABILITY FOR APPLICATIONS ASSISTANCE OR THE DESIGN OF BUYERS’ PRODUCTS. BUYER ACKNOWLEDGES AND AGREES THAT IT IS SOLELY RESPONSIBLE FOR COMPLIANCE WITH ALL LEGAL, REGULATORY AND SAFETY-RELATED REQUIREMENTS CONCERNING ITS PRODUCTS, AND ANY USE OF SENSATA COMPONENTS IN ITS APPLICATIONS, NOTWITHSTANDING ANY APPLICATIONS-RELATED INFORMATION OR SUPPORT THAT MAY BE PROVIDED BY SENSATA. Mailing Address: Sensata Technologies, Inc., 529 Pleasant Street, Attleboro, MA 02703, USA.