LiftMaster 400 Chip For Fire Door Operator | LIF-K79-13493A-400 Varifocal a high-efficiency power supply

a high-efficiency power supply

A USAutomatic Ranger (HD or 500) empty plastic control box assembly

Environmental conditions -4 ÷ 140 °F (-20 ÷ 60 °C)

Opening And Closing Time: 17 s

Viking’s true battery backup

LiftMaster 400 Chip For Fire Door Operator | LIF-K79-13493A-400 Varifocal a high-efficiency power supplyLiftMaster 400 Chip For Fire Door Operator LIF K79 13493A 400 This is a 400 Chip Fire Door Operator Replacement Kit. For use with various LiftMaster Commercial Door Operator Models. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.