: Delta DELTAModel: EFB1524SHGSize: 172 × 150 × 51MMVoltage: DC 24VCurrent: 2.10AAir flow: 325CFMInput power: 50.4WBearing type: high precision double ball bearingFan speed: 4300RPM, shaded pole motor structure, impedance protection.Frame: Black paint aluminum alloy die-casting corrosion, high temperature, anti-oxidation treatment.Withstanding voltage: leakage voltage 0.5mA, voltage 1800V / min Insulation class B,Protection class IP54.Fan rotation: from the fan direction as a counterclockwiseOperating temperature: -10 degrees Celsius to +70 degrees CelsiusStorage temperature: -40 degrees Celsius to +70 degrees CelsiusWorking life: the ambient temperature of 25 degrees when 80,000 hours