Check the listing for details. NEW MURPHY 518PH-24 24V TATTLETALE SWITCH 25700289. Condition: New. Listed at 66.49 USD. 1 NEW MURPHY 518PH-24MODEL 25700289The Murphy 518PH-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 518PH-24. The 518PH-24 is a 24 volt model which features a manual indicating reset type. The control circuit output contact is NCH. In the latched position the NCH contact has a "hot" output. The latch type is energize to latch. Contacts are rated for 10 amps 24V. A 14 amp fuse is included. Use for distributor ignition or diesel engines Return Policy: Our kits are guaranteed to be 100% compatible with the machine they are designated for. Filters that have not been installed or tampered with or used in any way, may be returned for a refund. Filters must be returned in the original packaging clean and unused. Buyer is responsible for all return shipping costs unless we designate otherwise. Buyer also pays 20% restocking fee on returned items. If items are returned in unsatisfactory condition, they can be returned to the buyer at his or her expense. Valid returns are accepted within 14 days of buyer receipt.