Contactor Pair Sets with Interlocking

These preassembled contactor sets  can be controlled by external ATS or AMF controllers for switching 1-3 phase load circuits between 2 power sources. The sets are equipped with mechanical and electrical interlocking  preventing load circuit connection to both power sources simultaneously for safety purposes. 

Models have different power supply solenoid requirements (120 or 240 VAC) and various max current value per pole (40A, 65A and etc).