LiftMaster E-Box Assembly (Q403) | LIF-K74-50278 loop Double door magnetic lock model

Double door magnetic lock model 2X800MAGD

It is also an upgrade for the 634 Control Board

Open architecture PCB with space for OVERDRIVE CPU for future expanded options

line of sight with coaxial and receiver

This high visibility switch

LiftMaster E-Box Assembly (Q403) | LIF-K74-50278 loop Double door magnetic lock modelLiftMaster E Box Assembly (Q403) LIF K74 50278 This is a replacement Electrical Box Assembly. For use with various LiftMaster Swing and Slide Gate Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster Q402 LiftMaster Q403