DEFSTAN 22-48/2(2001) : 2001

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

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Superseded date: 28-05-2010

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Published date: 12-01-2013

Publisher: UK Ministry of Defence Standards

Table of Contents - (Show below) - (Hide below)

TITLE PAGE
SCOPE
FOREWORD
Sponsorship
Conditions of Release
Categories of NES
Related Documents
Health and Safety
Additional Information
CONTENTS
SECTION 1 - PERFORMANCE SPECIFICATION
            1.1 Ratings and Characteristics
                1.1.1 Limiting Ratings
                1.1.2 Operating Characteristics
                1.1.3 Preferred Temperature Classes
                1.1.4 Required Resistance Levels
                1.1.5 Specific Resistance/Temperature
                      Characteristics
                1.1.6 Symbols
SECTION 2 - NATIONAL/INTERNATIONAL REGULATIONS
SECTION 3 - MILITARY STANDARDS/REQUIREMENTS
            3.1 Packaging
            3.2 Testing and Inspection Requirements
            3.3 Test Schedule
SECTION 4 - DESIGN REQUIREMENTS GUIDANCE
            4.1 Construction
SECTION 5 - CORPORATE KNOWLEDGE AND EXPERIENCE
ANNEX A - RELATED DOCUMENTS
ANNEX B - ABBREVIATIONS AND DEFINITIONS
ANNEX C - PROCUREMENT CHECK LIST
ALPHABETICAL INDEX

Abstract - (Show below) - (Hide below)

States the requirements for Positive Temperature Coefficient Thermistors (PTCT), of the Class Group 0632, for the thermal protection of electric motors up to 450 V operating voltage.

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Development Note	Supersedes DEFSTAN 22-48/1(2000) (08/2001) Supersedes NES 2048 & DG Ships 65 B. (08/2003)
Document Type	Standard
ISBN
Pages
Published
Publisher	UK Ministry of Defence Standards
Status	Superseded
Superseded By	DEFSTAN 22-48/3(2010) : 2010
Supersedes	DEFSTAN 22-48/1(2000) : 2000

Standards Referenced By This Book - (Show below) - (Hide below)

DEFSTAN 02-632/2(2004) : 2004	REQUIREMENTS FOR AC AND DC MOTORS
DEFSTAN 02-605(PT1)/2(2003) : 2003	GUIDE TO SELECTION OF SENSORS FOR MEASUREMENT OF SYSTEM PARAMETERS - PART 1: SELECTION OF LIQUID LEVEL, TEMPERATURE AND PRESSURE SENSORS

Standards Referencing This Book - (Show below) - (Hide below)

IEC 60738-1:2006+AMD1:2009 CSV	Thermistors - Directly heated positive temperature coefficient -Part 1: Generic specification
DEFSTAN 00-9/2(1983) : 1983	GENERAL REQUIREMENTS FOR QUALIFICATION APPROVAL, CAPABILITY APPROVAL AND QUALITY ASSURANCE OF COMPONENTS FOR MINISTRY OF DEFENCE USE
BS EN 60068-2-21:2006	Environmental testing Tests. Test U: Robustness of terminations and integral mounting devices
BS 2011-2.1N:1985	Environmental testing. Tests Test N. Change of temperature
BS 2011-2.1Ca:1977	Environmental testing. Tests Test Ca. Damp heat, steady state
IEC 60410:1973	Sampling plans and procedures for inspection by attributes
BS EN 60068-2-1:2007	Environmental testing Tests. Test A. Cold
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 2011-2.1T:1981	Environmental testing. Tests Test T. Soldering

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