NEMA ICS 2.4 : 2003(R2012)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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INDUSTRIAL CONTROL AND SYSTEMS: NEMA AND IEC DEVICES FOR MOTOR SERVICE - A GUIDE FOR UNDERSTANDING THE DIFFERENCES
19-01-2021
06-12-2012
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
Specifies different philosophies behind IEC Standards and NEMA Standards. Helps users make sound selection decisions.
| DocumentType |
Standard
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Superseded
|
| SupersededBy |
| 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 RP 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 |
| 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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