LiftMaster Fire Access Box with Micro Switch and Knox Key Switch Option | LIF-AFB120 Q078 The XR2 C control board

The XR2 C control board is a two-channel external receiver

Built for continuous-duty operation

0″ W x 5

Auto-reverse function

They can activate either

LiftMaster Fire Access Box with Micro Switch and Knox Key Switch Option | LIF-AFB120 Q078 The XR2 C control boardLiftMaster Fire Access with Micro Switch and Knox Key Switch Option LIF AFB120 All in one fire access box. Two options for automatic gate access: The microswitch is activated when the padlock is removed and the front panel is opened. Via Knox key switch. Includes Access door with a hole for a standard or fire department padlock Interior micro switch Knock out for Knox key switch Standard cylinder lock Note Fire department padlock and Knox switch not