<p>When considering a reliable and efficient fan for industrial or commercial applications, this model stands out with its practical design and robust performance metrics. Engineered to deliver an air flow of 138 cu-m/h and 178 cu-m/h, it ensures optimal ventilation in a variety of settings. The fan operates efficiently at rated powers of 20 W and 18 W, making it energy-efficient while maintaining performance.</p><p>Designed for versatility, the fan supports a rated voltage of 115 VAC and can function seamlessly across both 50 Hz and 60 Hz frequencies. This adaptability makes it suitable for diverse electrical environments. With a rated current of either 0.21 A or 0.18 A, the unit balances power consumption effectively with operational demands.</p><p>The fan&#39;s construction features die-cast aluminium material which not only enhances durability but also contributes to its sleek black appearance that complements various industrial aesthetics. Its dimensions—120 mm in width, height, and a depth of 38 mm—make it compact enough for easy installation without compromising on performance.</p><p>In terms of environmental resilience, the fan is equipped with an IP20 degree of protection which safeguards against solid objects larger than 12mm but does not provide protection from water ingress. It operates within an extensive temperature range from -10 to 60&#176;C ensuring functionality under varying climate conditions typical in many industrial settings.</p><p>Noise levels are maintained between 44 dBA to 48 dBA depending on the operational mode, striking a balance between powerful airflow and acceptable noise output—a crucial consideration in maintaining workplace comfort without sacrificing efficiency.</p><p>Moreover, the insulation class is rated as Class A which indicates good thermal endurance suitable for such applications where moderate heat resistance is required.</p><p>Overall, this fan combines practicality with technical precision offering reliable operation tailored to meet specific industrial needs while adhering to energy efficiency standards. Its thoughtful design backed by essential specifications makes it an excellent choice for professionals seeking dependable ventilation solutions in their operations.</p>