NEMA ICS 2.4 : 2003(R2012)

Superseded

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INDUSTRIAL CONTROL AND SYSTEMS: NEMA AND IEC DEVICES FOR MOTOR SERVICE - A GUIDE FOR UNDERSTANDING THE DIFFERENCES

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Superseded date: 19-01-2021

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Published date: 06-12-2012

Publisher: National Electrical Manufacturers Association

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Foreword
Section 1 GENERAL
  1.1 Referenced Standards
      1.1.1 Scope
  1.2 Markings
      1.2.1 Nameplate Markings
      1.2.2 UL Markings
  1.3 References
  1.4 Conventions
  1.5 Design Philosophies
      1.5.1 Traditional NEMA Contractors
      1.5.2 Traditional IEC Contractors
      1.5.3 NEMA Thermal Overload Relays
      1.5.4 IEC thermal Overload Relays
      1.5.5 NEMA Motor Controllers
      1.5.6 IEC Motor Controllers
Section 2 SELECTION CONSIDERATIONS
  2.1 Utilization Categories
  2.2 Contractor Electrical Life
      2.2.1 Electrical Life Test Parameters
      2.2.2 How to Use Electrical Life Curves
  2.3 Mixed Operation Life for Contractors Using
      IEC Procedure
  2.4 How to Use Contractor Ratings
  2.5 Environmental Factors
Section 3 TERMINAL MARKING AND WIRING CONVENTIONS
  3.1 General
  3.2 North American Convention
4 COMPARISONS
  4.1 Physical Characteristics
  4.2 Electrical Life
  4.3 Overcurrent Protection
      4.3.1 Overload Relay Class Applications
      4.3.2 Motor Acceleration Time
      4.3.3 Short-Circuit Current Rating
  4.4 Terminal Temperature Rise
  4.5 Construction
Figures
Tables

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Specifies different philosophies behind IEC Standards and NEMA Standards. Helps users make sound selection decisions.

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Document Type	Standard
ISBN
Pages
Published
Publisher	National Electrical Manufacturers Association
Status	Superseded
Superseded By	NEMA ICS 2.4:2020

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

API 14FZ : 2013	RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS
API 14F : 2008 : R2013	DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
API 14F:2008	DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
NEMA ICS 20:2009 (R2015)	Informational Guide to Electrical Industrial Topics
NEMA ICS 3.1 : 2009(R2014)	GUIDE FOR THE APPLICATION, HANDLING, STORAGE, INSTALLATION, AND MAINTENANCE OF MEDIUM-VOLTAGE AC CONTACTORS, CONTROLLERS, AND CONTROL CENTERS
NEMA ICS 6-1993 (R2006)	Industrial Control and Systems: Enclosures
NEMA ICS 2:2008	Controllers, Contactors and Overload Relays Rated 600 V
NEMA ICS 9 : 1993	INDUSTRIAL CONTROL AND SYSTEMS: POWER CIRCUIT ACCESSORIES
API 14F REDLINE : 2008	DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS
IEEE 3001.11-2017	IEEE Recommended Practice for Application of Controllers and Automation to Industrial and Commercial Power Systems

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

IEC 60947-4-1:2009+AMD1:2012 CSV	Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV	Low-voltage switchgear and controlgear - Part 1: General rules
NEMA ICS 1 : 2000(R2015)	INDUSTRIAL CONTROL AND SYSTEMS: GENERAL REQUIREMENTS
NEMA ICS 2:2008	Controllers, Contactors and Overload Relays Rated 600 V

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