1.Axial Fan With External Rotor Motor YWF550

　　—The diameter of the fan blade:550 mm

　　—Material: Guard Grille: steel, phosphated and coated in black plastic

　　Wall ring: sheet steel, re-galvanised and coated in black plastic

　　blades: sheet steel

　　Rotor: coated in black plastic

　　—Number of blades: 5

　　—Direction of rotation: direction of air flow "S" counter-clockwise, direction of air flow "B" clockwise seen on rotor

　　—Type of protection: IP54 or IP44 rating for protection against dust and water

　　—Approvals: UL, CE, CCC approval

　　—Insulation class: B or F

　　—Mode of operation: Continuous operation (S1)

　　—Bearings: Maintenance- free ball bearings

　　—Motor protection: without TOP, TOP wired internally

　　—Cable exit: lateral

　　—Protection class: I

2.Performance Parameters

3.Shape And The Size Of Installation

4.Air Volume And Static Pressure Curve