Terminal Fuse. Color: Light Blue. Amperage: 40A. Interrupt Rating satisfies ABYC requirements for DC Main circuit protection on large battery banks. Ignition protected - safe for installation aboard gasoline powered boats. Clear window - visual indication of blown condition. Must be used with terminal fuse block. 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.