m-Series Dual Circuit Plus PN 6011(1) 100A C-Series Flat Rocker Circuit Breaker(2) 15A Push Button Thermal Circuit BreakersDesigned for twin engine configurations Provides 24 hour circuit protection Provides main DC circuit protection in addition to high ampere load protection Protects electronics from sags and spikes caused by engine cranking Allows emergency cross connect between isolated battery banks Isolates the Engine circuit from the House circuit Simplifies battery switch operation Allows independent battery discharge Addition of an Automatic Charging Relay automates charging both batteries Includes 4218 - Square Format Labels and 4140 - 24 Hour Round Labels WARNING: 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.