CLE3T2-020191 AC230V254*89MM all-aluminum box AC fanSize: 254x89mmBearing structure: B:BALL (ball bearing)Voltage:AC/220~240V AC AC230VPower: 72 (w)Frequency: 50/60 (Hz)Speed: 2700 (R/min)Air flow: 20 (M3/min)Noise: 72 (dB-A)Frame: black painted aluminum alloy die-casting anticorrosion. moisture-proof structure;Blades: injection molding, +VO grade flame retardant PBT+30% glass line;Bearings: high accuracy. long life low noise ball bearings;Insulation: enameled wire with class b insulation, temperature-resistant to 120 degrees Celsius;Connection mode: lead-.-InsertInsulation resistance: more than 500 mohm;Withstanding voltage: leakage current 0.5mA. withstanding voltage 1500V/1 minutes;Operating voltage: 220V (voltage range: 185V~245V)Fan rotation direction: from the fan blade direction to counterclockwise;Operating temperature (°):-20 °~75 ° b: (ball bearing)Life: working ambient temperature of 40 ° b: (ball bearing) 80000 (hours)Long life and continuous 24 hour working long hours.2553