Profile: PSI Acquisition, LLC specializes in traffic solutions. Our traffic devices include cabinets, controllers, UPS systems, conflict monitors and security access systems. The 336 model controller cabinet is an assembly interchangeable cabinet, designed to house the model 170 microprocessor controller unit and associated peripherals. It is capable of controlling an eight phase and four-pedestrian intersection. Each cabinet is wired alike, making the major & minor assemblies & peripherals totally interchangeable. Our cyber lock is an web based security access control system to the traffic industry. This electronic lock & programmable key access system provides a secure system to traffic industry. It is made of nylon based plastic and has a replaceable brass tip. It has memory that contains an encrypted access code, a list of locks it may access and schedules of dates & times of accessing locks.