280mm 390W Ec-AC Input Backward Curved Centrifugal Radial Fan

280mm 390W EC-AC Input Backward Curved Centrifugal Radial FanModel:PB3N280B2EHPBM is a China mainland EC(Electronically Commutated) brushless motor manufacturing and technology consulting company offering an extensive range of EC motors, fans and intelligent ventilation solutions for air-moving precisely and constantly with maintenance-free throughout the life cycle of products in last decades.PBM fans are widely used in many fields. For example, axial fan for telecom, backward curved centrifugal fan for air exchanger,(inline duct fan)hydroponic products and FFU, forward curved centrifugal fan for air purifier and air conditioning,blower for kitchen. Product Description1.General CharactersRated Voltage230 VACFrequency50/60 HzOperating Voltage184~276 VACRated Speed2760 RPMInput Current1.75 AInput Power390 WAir Flow1647.80 CFM / 2800 m3/HStatic Pressure3.58 inH2O / 895 PaAcoustical Noise80 dB(A)Life Expectance50,000 Hours(L10)At 40ºC room, humidity 15%~65%RH.Insulation ClassClass BMotor ProtectionLocked rotor protectionPolarity protectionAutomatic restart capabilitySpeed ControlControl input 0~10VDC / PWMProtection TypeIP44Signal OutputFG (Frequency Generator)2.Mechanical CharactersDimensionØ280mm X 173mm (see dimension drawing)Material of ImpellerAluminium SheetNumber of Blades11Bearing SystemNMB ball bearingLead WireAC(AWG20#),DC(AWG22 #)3.Environmental CharactersOperating Temperature-25ºC to 60ºCStorage Temperature-40ºC to 75ºCOperating Humidity5% to 90% RHStorage Humidity5% to 95% RH4.Outline DrawingNote:1.Connection line: AC(3×AWG20#),DC(4×AWG24#)2.AC: Brown=Live Line,Blue=Null Line,Green & Yellow=Protecting Earthing;3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;5.Performance CurvedTesting Condition:Input Voltage----Operating voltage (230VAC/50Hz)Temperature-----Room temperatureHumidity---------65%RHApplication Scopes Related Products        280*280*80mm Waterproof                      250*74.2mm Waterproof IP55                    160*100mm Waterproof IP55                         48VDC Dual Inlet Centrifugal        IP55 Fan Ec-AC Axial Fan                        Fan Ec-AC Axial Fan                                  Forward Curved Centrifugal Fan                     Blower Fan with 146mm Impeller        FOB Price:US $51.4-57.4/Piece                         FOB Price:US $40.7-45.5/Piece                          FOB Price:US $51.2-57.2/Piece                                 FOB Price:US $52-58/Piece                                Contact Now                                     Contact Now                                          Contact Now                                                 Contact Now                         225*99mm Waterproof IP55                     140 Single Inlet Ec Centrifugal                   175*95mm Ec-AC Backward                       310*149.5mm Ec-AC Backward      Fan Ec-AC Backward Cur...                    Air Blower Fan                                             Centrifugal Fan for HVAC                           Curved Centrifugal Fan      FOB Price:US $53.1-59.3/Piece                        FOB Price:US $49-56/Piece                                   FOB Price:US $45.2-48.88/Piece                          FOB Price:US $73.95-75.78/Piece                    Contact Now                                          Contact Now                                            Contact Now                                            Contact Now    Certifications Company Profile Our AdvantagesAdvantages:1.Five Years Warranty:Five Years Warranty for all of our EC fan products;2.Fast delivery time:3-days for sample making and 4-weeks lead-time for first mass production delivery;3.Quality assurance:Efficient supply chain management with automatic production process guarantee price competitive products providing;4.Complete product certification:We have CCC, UL,CE,RoHs enabling them to use a label that recognises their products qualityApplication Scopes:Ventilation & Purification / Air Conditioning / Refrigeration /  IT & Electronic Industry / Medical Industry / Heating / Automotive Industry / Household Electric Appliances / Cloud Date Center / Mechanical Equipment and Systems. Partners:Galanz / Systemair / Nuaire / MCRT  Certificate Show:UL / CE / RohsAbout PBM:High Quality EC Fan / Competitive Price / Strong Team / Long Life Expectance / Fast Delivery / Customization Available / Attentive Service / Professional AssistancePacking DetailFAQFAQ1. Where is your factory located? Our factory is located in Suzhou City, China, about 60mins from Shanghai Airport by car. Warmly welcome to visit us! 2. What products do you make? We have specialized in EC fans for over 10 years since we stepped into the field in 2005. We also provide AC fans, crossflow fans, etc. 3.What kind of payments do you support? T/T, other types please contact us. 4.What information do you need in order to get a quotation?  Generally, we need the information like fan type, quantity, size, material, voltage,