日本欧姆龙OMRON冷却风扇R87F-A4A13HP AC Axial Fans, Plastic blades type, 120 x 120 mm, Frame thickness 25 mm, High speed, Terminal type, 200 VAC Motor type Single-phase shading coil induction motor (2-pole, open type) Rotation speed High speed Size 120 x 120 x t25 mm Rated voltage 200 VAC Max. flow rate (Nominal value) 50 Hz: 1.9 m3/min 60 Hz: 2.2 m3/min Bearings Ball bearing Ratings/Performance Dimensions Characteristics As of August 8, 2024 Motor type Single-phase shading coil induction motor (2-pole, open type) Rotation speed High speed Size 120 x 120 x t25 mm Rated voltage 200 VAC Permitted voltage fluctuation range 85% to 110% of rated voltage Rated current (Nominal value) 50 Hz: 0.090 A 60 Hz: 0.075 A Rated input (Nominal value) 50 Hz: 14 W 60 Hz: 12 W Rated rotational speed (Nominal value) 50 Hz: 2400 r/min 60 Hz: 2800 r/min Max. flow rate (Nominal value) 50 Hz: 1.9 m3/min 60 Hz: 2.2 m3/min Max. static pressure (Nominal value) 50 Hz: 44 Pa 60 Hz: 42 Pa Noise (Nominal value) 50 Hz: 39 dB 60 Hz: 43 dB Protection Impedance protection Ambient temperature Operating: -30 to 70 ℃ (with no icing) Storage: -40 to 85 ℃ (with no icing) Ambient humidity Operating: 25 to 85 % Insulation class IEC class B (130 ℃) cULus class B (130 ℃) Insulation registance Between all power supply connections and uncharged metal parts: 100 MΩ min. (at 500 VDC) Material Frame: Aluminum diecast Blades: Glass polycarbonate Bearings Ball bearing Weight Approx. 350 g