• Rotech

External Rotor Motors

Rotech manufactures External Rotor Motors, axial flow fans and centrifugal blowers. These products are used for a wide range of industrial and HVAC applications. The external rotor motors are manufactured to EN 60335-1 standards and bear the CE mark of quality. The company has a contemporary manufacturing set-up, equipped with state-of-the-art machinery having CNC controls, which can cater to bulk requirements. The external rotor motor, like any other conventional motor has a wound stator and an aluminium die cast rotor. The only difference is that in this case the rotor moves externally around the stator. Specifications: rotor diameter – 72, 92, 110, 138 mm; input voltage – 110, 230, 415 V AC 50/60 Hz single and three phase; input power – 20 to 1000 W; speed – 1400, 2800 RPM; and efficiency – 60% approx.