Feature: 1. FOR EBM FOUR WIRE FANS: Four wire PWM fan temperature controller with control signal of 10V support common for EBM four wire fans 2. 4 WIRE CONTROL HIGH VOLTAGE EC FAN: Fan temperature control governor support conventional high voltage EC fan four wire control, with 10V PWM signal 3. LOW TEMPERATURE POWER SHUTDOWN: Support low temperature shutdown fan, PWM shutdown or extended relay to shutdown fan power, easy to operate 4. DC11‑55V VOLTAGE, 2.5KHZ AND 20KHZ FREQUENCY: Wide voltage working from DC11‑55V, support 2.5KHZ and 20KHZ frequency setting, support reverse sequence fan 5. ‑9.9‑99.9℃ MEASUREMENT WITH SMALL ERROR: The temperature measurement range is ‑9.9‑99.9℃, with low temperature measurement error. The error in the range of 0‑50℃ is less than 1.2℃, and the error in other ranges is less than 2℃ Specification: Item Type: Fan Temperature Control Governor Material: PCB Basic Parameters: Power Supply Voltage: DC11-55V (circuit working voltage) Working Current: <0.1A Fan Current: <5A (the on board connector can withstand capacity, if you need to control higher power, you only need to run the power line separately) PWM Range: 5-100 or 0 (% plus or minus 0.3%) PWM Frequency: 20KHz or 2.5KHz (±2%) PWM Signal Amplitude: 10.5V (no load) Temperature Measurement Range: -9.9-99.9℃ Temperature Measurement Error: The error in the range of 0-50℃ is lower than 1.2℃, and the error in other ranges is lower than 2℃. Package List: 1 x Fan Temperature Control Governor1 x Cable Note: Use this product according to parameter specifications.