285-Series Circuit Breaker Panel Mount - 50A. Drop in replacement for 185-Series Circuit Breakers. Visible reset lever shows open condition. "Trip Free" - cannot be held closed after tripWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.