Breaker symbols

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Rockyd

Senior Member
Location
Nevada
Occupation
Retired after 40 years as an electrician.
Anybody have the chart that defines the parts/contact/relay numbers in a large breaker/MCC? It's normally part of the electrical prints in the symbol/ abbreviation section.
Normally something like 52 will be the inter-tie breaker for switchboard ties - or the enabling contactor for it.

Looking for that list of numbers with standard number assignment - hoping someone has it :)?
 

zog

Senior Member
Location
Charlotte, NC
Anybody have the chart that defines the parts/contact/relay numbers in a large breaker/MCC? It's normally part of the electrical prints in the symbol/ abbreviation section.
Normally something like 52 will be the inter-tie breaker for switchboard ties - or the enabling contactor for it.

Looking for that list of numbers with standard number assignment - hoping someone has it :)?


52 is just an AC circuit breaker.
 
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