The Murphy Multi Purpose Tattletale Magnetic Switch MS2110 is the nerve center that translate Swichgage contact operations into decisions and operate the alarm or shutdown device. The Murphy Tattletale is multi-purpose type with dry contacts that can be used to make two circuits and break another when tripped. Tattletale Annunciator indicates which monitored function failed leading to the alarm or shutdown whereas magnetic switches do not. Magnetic switches operate basically as a latching relay.
Operates from 12 or 24 VDC or 24 VAC. The operating coil is intermittent duty and must be disconnected by an external circuit when tripped. The MS2110 is a replacement for 221PH, 169PH, 274 and 274PH.