Compare the available Blue Sea configurations by exact manufacturer part number and the distinguishing option shown below.Product Information Product Type Circuit Breaker Key Features Ignition protected - Safe for installation aboard gasoline powered boats Push-to-reset operation "Trip Free" design cannot be held "ON" during fault current condition Can be used as Main, Branch, or 24 hour circuit protection Captive star lock washers meet requirements for anti-rotation and eliminate handling of small, easily dropped parts Compact design enables high density circuit protection configurations Weatherproof Available Options MPN Configuration 2140-BSS 30A 2142-BSS 50A Important InformationWARNING: 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.