Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

DEFSTAN 22-48/3(2010) : 2010

Current

Current

The latest, up-to-date edition.

SPECIFICATION FOR POSITIVE TEMPERATURE COEFFICIENT THERMISTORS FOR THERMAL PROTECTION OF ELECTRIC MOTORS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-05-2010

Free

Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Definitions
5 Abbreviations
6 Performance Specification
7 Military Standards/Requirements
8 Construction

Specifies the requirements for Positive Temperature Coefficient Thermistors (PTCT) for the thermal protection of electric motors up to 450 V operating voltage.

DevelopmentNote
Supersedes DEFSTAN 22-48/2(2001). (06/2010) This standard is obsolescent because it is no longer required for procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (07/2015)
DocumentType
Standard
Pages
18
PublisherName
UK Ministry of Defence Standards
Status
Current
Supersedes

BS EN 60068-2-6:2008 Environmental testing Tests. Test Fc. Vibration (sinusoidal)
IEC 60738-1:2006+AMD1:2009 CSV Thermistors - Directly heated positive temperature coefficient -Part 1: Generic specification
BS EN 60068-2-21:2006 Environmental testing Tests. Test U: Robustness of terminations and integral mounting devices
BS EN 60068-2-58 : 2015 ENVIRONMENTAL TESTING - PART 2-58: TESTS - TEST TD: TEST METHODS FOR SOLDERABILITY, RESISTANCE TO DISSOLUTION OF METALLIZATION AND TO SOLDERING HEAT OF SURFACE MOUNTING DEVICES (SMD)
IEC 60410:1973 Sampling plans and procedures for inspection by attributes
BS EN 60068-2-1:2007 Environmental testing Tests. Test A. Cold
BS EN 60068-2-78:2013 Environmental testing Tests. Test Cab: Damp heat, steady state
BS EN 60068-2-30:2005 Environmental testing Tests. Test Db and guidance: Damp heat, cyclic (12 h + 12 h cycle)
IEC 60738-1-1:2008 Thermistors - Directly heated positive step-function temperature coefficient - Part 1-1: Blank detail specification - Current limiting application - Assessment level EZ
BS EN 60068-2-2:2007 Environmental testing Tests. Test B. Dry heat
BS EN 60068-2-14:2009 Environmental testing Tests. Test N. Change of temperature

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more