Garage door opener Fechnical 1)Inatallation easy,sidemount opener,it only requires width 150mm of one the wall. 2)Intelligent Integrated Control.Three pahse,with current overhead protection,overhead protection,lack,phase,protection;Single,phase,with current overload protection,overload protection.If a closing door meets an obstruction,the door will reverse to the full open position,if a opening door meets an obstruction.,the door will stop.Emergency stop.Many fuctional interface. 3)Motor with overheated protection(120). 4)Trimming limit mechanism,travle accurate. 5)Two stage brake,extraordinary brake. 6)One chain clutch,manual open easy. 7)Operating quietly,operating noise is less than 52dB 8)Excellent design,beautiful,simple and easy,convenient for transportation. Superiorities: 1)With CE Certification 2) Chain drive,low noise 3) Highquality 4) Good price Packing: 1)Standard Packing 2)Packing as you need 3)51*50*37.5 SpecificationIVS380IVS220voltageThress phase,380V+_10%Single phase,220V+-10%Motor Rated Power370W370WControl Voltage24V,DC24V,DCProtection GradeIPSSIPSSElctronic DataEmergency ProtectionManual chain,worm gear,worm out of hand lever in emergency.small door in doorMotor protectionProtection:current overload;lack phase;overheated;operating time;phase disorderedCurrent overload protection,overload protection ,operating time protection