LiftMaster 4183B0110 End Rail Liftmaster Dual LA400DUAL The RKDT-SA-M has a mullion-mount

The RKDT-SA-M has a mullion-mount housing that fits a standard door frame

Note: This Control Panel is compatible only with Security+ 2

Note: This part is compatible with the HySecurity StrongArmPark DC and HySecurity WedgeSmart DC operators

Rate of Travel: 0

and the second set of contacts that may be used for loop fault

LiftMaster 4183B0110 End Rail Liftmaster Dual LA400DUAL The RKDT-SA-M has a mullion-mountLiftMaster 4183B0110 End Rail This is a replacement End Rail. For use with various LiftMaster and Chamberlain Residential Garage Door Openers. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as: LiftMaster 183B110 LiftMaster 012381001101 LiftMaster 183B93 LiftMaster 4183B110