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.