The Murphy Magnetic Switch 12V with Inline Fuse 760AF-30-12N is used for distributor ignition or diesel. Time delay lockout of Swichgage contacts on startup only; customer wired for delayed or immediate trip on shutdown. Breaks and makes contacts when tripped. This 760AF-30-12N resets automatically when the shutdown signal is removed or power is removed. It has a 30 second time delay with negative ground. Contacts are rated for 10 amps 24V. 14 amp fuse is included.