AC380V VFD Variable Frequency Drive Motor Speed Controller for Air Cooler (1.5KW) Features:<br style="white-space:normal;" /> This product has remote control function, convenient e.&nbsp; It is only applicable to draught fan and air conditioner motor of 380VAC(single-phase input, 3-phase output). 0-50Hz frequency control, it supports stepless speed regulation of draught fan motors, draught fans have air blowing-in and blowing-out function. Specification:<br style="white-space:normal;" /> Name: Variable-frequence speed controller for draught fans, air conditioners, motors<br style="white-space:normal;" /> Model: JFD&nbsp;<br style="white-space:normal;" /> Application: Draught fans, air conditioners, motors<br style="white-space:normal;" /> Power supply phase number: Single phase<br style="white-space:normal;" /> Shell material: Flame-retardant plastic<br style="white-space:normal;" /> Remote control battery type: Two AAA batteries (NOT included)<br style="white-space:normal;" /> Size: 160 * 120 * 95mm / 6.3 * 4.7 * 3.7in<br style="white-space:normal;" /> Installation method: Wall-mounted<br style="white-space:normal;" /> Installation site: Indoor (less than 1 km altitude, no dust, no corrosive gas and no direct sunlight).<br style="white-space:normal;" /> Applicable environment: -10 ℃ ~ +40℃--20% ~ 90% RH (no condensation)<br style="white-space:normal;" /> Vibration: Less than 0.5g<br style="white-space:normal;" /> Protection grade: IP20<br style="white-space:normal;" /> Cooling mode: Forced air cooling Package list: 1 * Controller 1 * Remote 1 * User Manual