Manufactured in Canada, the Vortex Powerfan 892 CFM VTX1200L inline blower kit, for 12 in. Dia duct, includes a current sensor that will automatically turn on and off the Vortex VTX1200L inline blower as required. For example, in a furnace auxiliary booster fan application, when the furnace blower is turned on, the VTX1200L will automatically turn on and will stay on for 5 minutes after the furnace blower is turned off. This will allow the furnace to perform better and more efficiently. VTX1200L design features: Supplied with mounting bracket for easy installation. Suitable for airstream temperatures up to 140°F. Aerodynamic design allowing more airflow. Heavy gauge steel casing with a hammertone powder coat finish, making it more sound absorbing, durable, impact resistant and rustproof. High quality maintenance-free balanced motor, making it vibration free, quieter, and longer-lasting. Extended collar and lip, allowing easy duct hook-up. Optional speed control easing airflow adjustment, allowing better balancing of the ventilation system. 892 CFM ACS-5 design features: Self-powered and no insertion loss True digital switching and no leakage Small compact size Input / Output isolation via current transformer Solid-state reliability Solid, reliable mounting method Applications: Direct control of AC loads, such as dryer booster fans, in response to the current of a monitored AC circuit. Specifications: Maximum Core Current: 50 Amps Operating Temperature : 0 to 40oC (32o to 104oF) Trip Set-Point: Approximately 1 Amp Enclosure Size (H x W x D) : 49 x 87 x 25mm (1.95” x 3.45“ x 1”) AC Conductor Hole: 20mm (0.8“) Diameter Switch Rating: 120 Vac @ 2.5 Amps Max. Turn on time :