This dual fan speed controller is designed for AC Infinity AXIAL series fans and other AC muffin fans rated for 100 to 125V AC. It allows precise adjustment of fan speed so you can optimize airflow and noise levels for your project. With two terminal connectors, it supports controlling two fans simultaneously and includes wall-mounting hardware for secure installation. The extended cord length provides flexible placement options in cabinets, equipment spaces, and DIY airflow systems.
Key features
• Controls speed of two AC axial muffin fans rated 100–125V AC
• Adjustable knob regulates airflow and noise levels
• Includes dual terminal connectors for two-fan operation
• Long cord lengths for flexible installation
• Includes wall-mount screws for secure placement
Applications
• AC Infinity AXIAL series fan control
• Cooling and ventilation in DIY projects
• Fireplaces, stoves, room-to-room airflow setups
• Cabinets, enclosures, and equipment racks
• Any AC muffin fan system requiring variable-speed control
Product specifications
| Specification | Details |
|---|---|
| Manufacturer | AC Infinity |
| Product Name | AC Fan Speed Controller, Dual |
| Product Model | AI-SC72DC |
| UPC Code | 819137020399 |
| Total Dimensions | 2.9 x 1.5 x 1.2 in (7.5 x 3.8 x 3 cm) |
| Total Cord Length | 120 in (10 feet) |
| Controller to Power Plug | 36 in (3 feet) |
| Controller to Fan Connector 1 | 36 in (3 feet) |
| Fan Connector 1 to Connector 2 | 48 in (4 feet) |
| Fans Controlled | 2 |
| Voltage Input | 100–125V AC, 50/60 Hz |
| Voltage Output | 70–125V AC |
| Power | 50 W |
| Amperage | 0.4 A |
| Cord Rating | SPT 105°C, 300 Volts |
| Fan Connectors | Terminal 2-Pin |
| Power Plug | NEMA 1-15P |
| Certifications | CE |
What’s included
• Dual fan speed controller
• Wall-mount wood screws
• Installation manual









