Low Voltage Breakers

Low Voltage Breakers

Updated Jan 21, 2021

 At the end of this lesson, you will understand the purpose and use of low voltage circuit breakers in electrical circuits. • Describe the function of low voltage breakers • Describe low voltage, molded case breakers and low voltage, large frame breakers; identify their differences • Explain how to connect a large frame breaker • Define the low voltage breaker voltage category • Describe how an arc is formed and extinguished • Explain why breakers trip and describe breaker closing and tripping devices