The PS-DA and PS-SA Pull Stations are manual pull stations that provide a Fire Alarm Control Panel (FACP) with a single alarm initiating input signal. The PS-DA is a dual-action model. The PS-SA is a single-action model. Both the PS-DA and the PSSA are equipped with key lock/reset. Both are designed to meet multiple applications with the installer and end-user in mind. Its innovative design, durable construction, and multiple mounting options make the PS-DA and PS-SA simple to install, maintain, and operate.