Liftmaster LA500DCS Secondary Arm surge-protector Additional monitored open-direction protection is CI3860FM Select Model:9210-382 #50 Chain (208V Single-Phase) The LiftMaster MA015 Transformer lm-la412

Additional monitored open-direction protection is required and must be selected based on the gate layout and identified entrapment zones

Flush Mount Design – Seamless in-wall installation for a clean

Built to factory specifications

(1) Secondary arm w/ connecting cable

Handles gates up to 10 ft per leaf or 900 lbs total

Liftmaster LA500DCS Secondary Arm surge protector Additional monitored open direction protection is CI3860FM Select Model:9210 382 #50 Chain (208V Single Phase) The LiftMaster MA015 Transformer lm la412 Additional monitored open direction protection is required and must be selected based on the gate layout and identified entrapment zones Flush Mount Design – Seamless in wall installation for a clean