Liftmaster MA021 Nylon Arm Nuts (Qty 50) remote-control Model Compatibility: LA400

Model Compatibility: LA400

Relay Output: Form "C" relay (NO/COM/NC) with 10A capacity at 24VDC or 120VAC

The LiftMaster 041A0159 Call Button Actuator is a genuine OEM silver actuator replacement kit designed for the LiftMaster EL25 telephone entry system

enabling unique functions like remote open or arming mode

Form C (NO/NC/COM)

Liftmaster MA021 Nylon Arm Nuts (Qty 50) remote-control Model Compatibility: LA400LiftMaster MA021 Nylon Arm Nuts for Barrier Gate Operators The LiftMaster MA021 Nylon Arm Nuts Kit is a genuine replacement hardware set designed for use with LiftMaster barrier gate operators. These nylon arm nuts are used to secure barrier arm components while helping reduce vibration and wear during operation. Supplied in bulk for service efficiency, this kit supports routine maintenance and replacement needs in traffic control and perimeter access