Blog

Choosing cabinet fan airflow direction: why positive pressure protects a control panel from dust, when to reverse the fan, and how to verify it on site.

What an ATEX rating means for fans: zones, categories, gas groups, T-classes, marking anatomy and the documents to demand from a supplier.

How to select a cooling fan for a solar inverter: airflow calculation, voltage matching, bearing life, IP rating and common mistakes.

Calculate workshop airflow from room volume and a justified air-change target, then select fans by installed pressure, location, environment, noise and makeup air.

Select a separately powered cooling fan by checking the motor's cooling requirement, frame and mounting, airflow resistance, supply, environment and controls.

Engineering guide to electrical cabinet cooling fan selection: heat-load formula, airflow calc, AC vs DC, IP rating, selection checklist, filter fan vs heat exchanger vs A/C.