Cooltron’s backward-curved centrifugal motorized impellers comprise a fan impeller that is fixed to the rotor of an external rotor motor, eliminating the need for an output shaft and resulting in lower bearing loads and vibration-free, high-efficiency operation.

Since the motor and impeller are located directly in the air stream, the impeller also acts as a rotating heat sink, allowing for excellent heat dissipation and efficient motor cooling. This unique coupling of motor and impeller drastically reduces space requirements, allowing for easy installation and making motorized impellers perfectly suited to applications where space is limited.

Available as direct current (DC) or electronically commutated (EC) from 33 dia x 61 to 400 dia x 141 mm.

DC Versions

Direct current (DC) external rotor motors run on 12, 24, or 48 VDC supply. Speed control is much simpler with DC, when compared to AC motorized impellers, because there is no need for an external device.

EC Versions

Electronically commutated (EC) motors have permanent magnets on the rotor and use electronics to control the voltage and current applied to the motor. The electronics provide a broad range of control and monitoring functions.

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Headquarters: 2-205 Industrial Pky N, Aurora, ON  L4G 4C4

1-800-263-3562 ǀ info@irwin-ind.com