The Controller 1 is a compact thermal trigger designed to automate USB-powered fans and devices based on temperature changes. It features four preset temperature activation points and ON/OFF modes, allowing simple plug-and-go thermal control without complex programming. The included waterproof 6-foot thermal probe provides accurate readings, while the aluminum backplate allows secure surface mounting. Capable of powering up to six AC Infinity USB or cabinet fans, it offers a reliable way to protect electronics from overheating. This controller can be powered through either USB or a USB wall adapter. Key features • Pre-set temperature trigger controller for USB fans and devices• Four preset temperature activation points with ON and OFF modes• Supports up to six AC Infinity cabinet or USB fans• Includes waterproof 6-foot thermal probe for accurate sensing• Surface-mount aluminum backplate for easy installation• Compatible with USB power or optional USB wall adapter Applications • Automating cooling for AV cabinets• Temperature-based control for USB fans• Cooling management for receivers, consoles, modems, and routers• Equipment closets and small electronics enclosures• DIY thermal automation projects Product specifications Specification Details Manufacturer AC Infinity Inc. Product Name Pre-Set Thermal Trigger Product Model AC-PCA1 UPC Code 819137020351 Total Dimensions 3.25 x 1.4 x 0.5 in (8.3 x 3.6 x 1.3 cm) Backplate Dimensions 3.25 x 1.4 in (8.3 x 3.6 cm) Hole to Hole Distance 2.87 in (7.3 cm) Screw Hole Size 0.119 in (0.3 cm) Cord Length 72 in (6 feet) Thermal Probe Length 72 in (6 feet) Maximum Fans Controlled 6 Max Power Supported 10 W Programming Temperatures 32 to 140°F Operating Voltage 5V DC Power 10 W Current 2 A USB Outlet Input 5V DC Operating Humidity 35–85% RH What’s included • Controller 1 thermal trigger unit• Waterproof thermal probe• Mounting screws• Instruction manual