518APH-24 Tattletale (25700151) MAGNETIC SWITCHES which is generally a connection

which is generally a connection to the coolant bath of your engine block

The limit switches are normally open during operation

Contacts are gold flashed silver

low and/or high limit switch

the VS2EX gives a Tattletale indication on the reset button

518APH-24 Tattletale (25700151) MAGNETIC SWITCHES which is generally a connection518APH 24: 24 Volt Tattletale Annunciator (25700151) The Murphy 518APH 24 Tattletale allows for Swichgage and or N. C. contacts to be wired "Closed Loop" (in series). Any contact open or Swichgage contact close in the circuit shunt trips the 518APH 24. The 518APH 24 is a 24 volt model which Features a manual indicating reset type. The control circuit output contact is NCH and NOH. In the latched position the NCH contact has a "hot" output; in the