TriStar Three-function Controller. Morningstar TriStar Controller is a three-function controller that provides reliable solar battery charging, load control or Diversion regulation. Rated at 45 (RS ; 913-2402 913-2402 ) or 60 (RS ; 913-2415 913-2415 ) amps, both at 12-48 V, and has an optional meter, remote meter and remote Temperature Sensor. The TriStar uses advanced technology and automated production to provide exciting new features. The optional TriStar meter is the most sophisticated and informative controller meter on the market. The controller is UL listed and is designed for both solar home systems and professional applications. Highest Reliability More Power Communications Capability Fully Adjustable Extensive Electronic Protections Programmable Lighting Control Simple Mechanical Interface Better Battery Charging More Information Easy to Reset Low Telecom Noise. Application:. Hydro Lighting Railroad Signaling Residential Small Wind Solar Security and Instrumentation Rural Electrification and Solar Home Systems Transportation and Traffic Telecommunications