MA10 SENSATA | Alldatasheet

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Technical content

www.sensata.com Copyright © 2024 Sensata Technologies, Inc. | MA10 THERMAL CUT-OUT Introduction For 30 years Sensata Technologies’ MA10 temperature cutout has provided reliable protection in a variety of small domestic and personal care appliances. The MA10 has set the world standard in the field of open type temperature cutouts. Sensata Technologies has been a leading global supplier of pressure sensors & switches for over 90 years.

Applications

Design and Operating Principles The MA10 is a temperature-sensitive safety cut-out for applications like:

  • Electric room heaters · Hair dryers
  • Hand dryers · Hair curlers Due to its compact design, the MA10 can be mounted easily and with its wide range of operating temperatures and tolerances it provides cost-effective and reliable protection. The Klixon ® bimetal disc with welded-on contact is the heart of the MA10. It is welded on the upper terminal which is riveted to the plastic base. The lower terminal carries the stationary contact and is also riveted to the phenolic base. The operating principle of the MA10 is both simple and effective. Its open structure allows optimum thermal response. When a fault condition occurs, the increased ambient temperature causes the Klixon® bimetal disc to snap open the contacts. As the device cools down to a safe temperature again, the contacts will automatically reset. The MA10 is available with a wide range of calibrated pre-set operating temperatures (with varying tolerances). Since the current flows through the bimetal disc, changing the bimetal resistivity makes it possible to vary the product’s current sensitivity. A high, middle and low current- sensitive bimetal disc is available at no additional charge. DESIGN SPECIFICATIONS Standard Operating Temperature Range From 60°C - 150°C Tolerance on Open Temperature ± 5K/±7.5K/± 10K/± 15K Max. Ambient Temperature 150°C

www.sensata.com Page 2 Copyright © 2024 Sensata Technologies, Inc. Curves Declarations Declarations to EN60730-2-9 Purpose of the Control Thermal Cut-Out Construction Incorporated, non-electronic Degree of Protection IP00 Terminals for Ext. Conductors For internal conductors only Temperature Limits of the Switchhead 150°C PTI of Insulation Materials PTI 250 Method of Mounting By various means in conjunction with (holes in) terminals, such that adequate creepage and clearance distances are maintained between live parts and accessible metal parts Operating Time For continuous operation Type of Action Type 2C Reset Characteristic Automatic Extent of Sensing Element Whole control Control Pollution Degree Degree 2

www.sensata.com Page 3 Copyright © 2024 Sensata Technologies, Inc. All dimensions are in millimeters [inches]. DIMENSIONS

www.sensata.com Page 4 Copyright © 2024 Sensata Technologies, Inc. ORDERING OPTIONS Example : MA10AA-031-1 Product Series Terminal Configuration Opening Temp. Tolerance Standard Operating Temp. AA = Both Terminals Straight : ±15K 3: ±10K 2: ±7.5K 1: ±5K See Chart Below. MA10 AA 1031 MA10, Both Terminals Straight, Standard Opening Temp of 95°C with a low resistivity bimetal disc (F30), Opening Temp. Tolerance ±5K Standard Operating Temperature Operating Temp (°C) Low Resistivity Bimetal Disc (F30) Medium Resistivity Bimetal Disc (B1) High Resistivity Bimetal Disc (P850) 100 105 110 115 120 125 130 135 140 145 150 056 096 071 051 091 061 021 031 026 016 036 041 001 081 011 006 066 076 046 060 100 075 055 095 065 025 035 030 020 040 045 005 085 015 010 070 080 050 058 098 073 053 093 063 023 033 028 018 038 043 003 083 013 008 068 078 048 110 125 140 160 180 210 240 039 040 041 042 043 044 045

+1 (508) 236 2551 sensors@sensata.com Europe, Middle East & Africa +31 (74) 357 8156 info-sse@list.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 Page 5 Rev:02/12/24 www.sensata.com CONTACT USSensata 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.Copyright © 2024 Sensata Technologies, Inc. Agency File/Report Number Standard Rating A-res (A-ind. @ PF=0.6)V / cycles) DEKRA 2014531.12 EN60730-2-9 Thermal Cut-Out 12(0) 250 / 10.000 UL / C-UL E54813 UL873 9(0.5) 250 / 10.000 18(0.75) 125 / 6.000 AGENCY APPROVALS AND CERTIFICATIONS WARNINGS RISK OF MATERIAL DAMAGE AND HOT ENCLOSURE

  • The product’s side panels may be hot, allow the product to cool before touching
  • Follow proper mounting instructions including torque values
  • Do not allow liquids or foreign objects to enter this product Failure to follow these instructions can result in serious injury, or equipment damage. HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
  • Disconnect all power before installing or working with this equipment
  • Verify all connections and replace all covers before turning on power Failure to follow these instructions will result in death or serious injury