Keeps my cupboard temps much lower and under better control than an alternative solution/product I tried before this. The fan casing is made of galvanized steel sheet and provided with heat and sound insulating material. This fan unit from Connectix is designed to be mounted anywhere in a rack to promote airflow to assist with the prevention of equipment overheating.

The MRE Series long-life axial fans have an expected life of 100,000 hours and are available with a low speed alarm.Included fans use a custom motor engineered to minimize noise during speed variations and are certified by CE, TUV, and RoHS. The belt-driven assembly can be supplied at the left hand side of the unit (TI version), Vertical discharge (code V) configuration.

Single-phase external rotor motors 230V 50Hz, IP55, class F, with thermal protection, speed controllable by tension.

Because most enclosures are designed for a front to back airflow pattern, it is difficult to maintain ideal operating temperatures on side to side airflow equipment.