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What is the do the suffixes "FT" and "8070" indicate on the a Legacy breaker part number, such as KHL36000MFT8070?

What do the suffixes FT and 8070 represent on the KHL36000MFT8070 breaker?
Product Line:
Molded Case Circuit Breakers
 Molded Case Switches 
FT indicates fungus treatment and 8070 indicates low temperature grease.  
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