Single Button Control
Single button control provides an additional input for single-button control fuctionality. Required for installation of any external radio receiver.
Auxilliary Limit Switches
Auxiliary limit switches provide additional limit switches with dry form C contacts at the open and closed door positions to control lights, heaters and dock levelers.
Interlock Switch
Interlock switch disables the operator control circuit when door is locked, preventing damage to the door and operator.