1 CHAPTER OVERVIEW
The device provides a Circuit Breaker Fail Protection function. This chapter describes the operation of this function
including the principles, logic diagrams and applications.
This chapter contains the following sections:
Chapter Overview 183
Circuit Br
eaker Fail Protection 184
Circuit Breaker Fail Implementation 185
Circuit Breaker Fail Logic 187
Undercurrent and ZCD Logic for CB Fail 190
CB Fail SEF Protection Logic 191
CB Fail Non Current Protection Logic 192
Circuit Breaker Mapping 193
Application Notes 194
P14x Chapter 8 - CB Fail Protection
P14xEd1-TM-EN-1 183
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