Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

How are phase or ground fault tests conducted using the breaker trip unit?

April 26, 2017breaker conducted fault ground phase tests trip

0

Posted

How are phase or ground fault tests conducted using the breaker trip unit?

1 Answer

0

Posted

Each SB trip unit has integral test functions for testing phase and ground fault functions. A minimum of 20% of the primary breaker rated current must be available in order to test these breaker functions.