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Fuji Electric EW32AAG User Manual

Fuji Electric EW32AAG
114 pages
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DISTRIBUTION
Molded Case Circuit Breakers & Earth Leakage Circuit Breakers
Technical information
62D4-E-0058

Table of Contents

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Fuji Electric EW32AAG Specifications

General IconGeneral
BrandFuji Electric
ModelEW32AAG
CategoryCircuit breakers
LanguageEnglish

Summary

Chapter 1 Protecting low-voltage circuits

1-2 Overcurrent protection

Details on overload and short-circuit protection for circuits.

Chapter 2 Operating characteristics and performance

2-1 Overcurrent tripping characteristics

Types of overcurrent tripping and factors affecting them.

2-2 Breaking performance

How short-circuit currents are broken and performance metrics.

Chapter 3 Selection and application

3-1 Selection check points

Key factors to consider when selecting MCCBs.

3-4 Wiring protection

Protecting wiring from heat generated by overcurrents.

3-5 Motor circuit applications

Protection strategies for motors and associated circuits.

3-9 MCCBs for semiconductor circuit

Protection of circuits with semiconductor devices like thyristors.

Chapter 5 Maintenance inspections

5-2 Periodic inspections

Standards and procedures for initial and periodic inspections.

5-3 Replacement recommendations

Guidelines for MCCB deterioration diagnosis and replacement based on durability.

Chapter 6 Short-circuit current calculation

6-1 Calculating short-circuit current

Objective, formulas, and examples for calculating short-circuit currents.

Safety Considerations

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