EC Fan Control Adapter (EFC-1) The TrolMaster EFC-1 is specially designed to be used with Tent-X Control System to control the variable fan speed of the EC Fan. The EFC-1 needs to select the mode of output to control the EC Fan in PWM or 0-10V. Each Tent-X can connect a corresponding EFC-1 for Exhaust (F1) and Intake (F2). Each Exhaust (F1)/ Intake (F2) line requires one EFC-1. Tech Sheet Features LCD Display for PWN 0-10V Mode Addressing Seamless Connection with Tent-X Main Controller and EC Fan Plug & Play What TrolMaster does Automation Control Data Collection Monitoring Optimization Remote Access TrolMaster's platform offers Smart connectivity Remote accessibility Flexibility Modularity Upgradability What's in the box 1 x EC Fan Control Adapter 1 x RJ12 to Female Barrel Cable Specifications Input Voltage: 12 V Max Current: 0.1A Max Output Voltage: Output: 0-10V, PWM: 50mA Working Environments: Temperature 32°-122°F, Humidity=90% Packaging Dimensions: 156mm(L) x 83mm(W) x 30mm(H)