LiftMaster 041A5507-7C Receiver Logic Board 12-8033 The AK-11 is powered from

The AK-11 is powered from a 12-24 Volt AC or DC source

All barrier arms are supplied with protective rubber on the bottom side and are designed to fit lights on the top side

No limit switches to fail-uses magnetic (Hall Effect) sensors to monitor arm position

pre-punched and hot-dipped galvanized for corrosion resistance

Mounting hardware and 22 counterweights not included

LiftMaster 041A5507-7C Receiver Logic Board 12-8033 The AK-11 is powered fromLiftMaster 041A5507 7C Receiver Logic Board LiftMaster's 041A5507 7C is a Receiver Logic Board Replacement Kit. For use with various Residential Garage Door Openers. The unit will feature a red orange learn button. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 41A5507 7 LiftMaster 41A5507 4 LiftMaster 41A5507 4C