DC axial fan

638 /2HPU

Technical features

General description

Particular design features:

Rigid compression curve for high air flow at high counterpressure.

Motor has very low structure-borne noise.

Control inputs and alarm and speed signals available on request.

Developed for applications with stringent environmental requirements.

General features:

Material: fibreglass-reinforced plastic. Impeller PA, housing PBT.

Electronic commutation completely integrated.

Protected against reverse polarity and locking.

Connection via single strands AWG 22, TR 64, bared and tin-plated.

Air exhaust over bars. Rotational direction clockwise looking at rotor.

Mass: 70 g.

Mass

0.07 kg

Dimensions

60 x 60 x 25 mm

Lifetime L10 at 40 °C

85000 h

Lifetime L10 at maximum

temperature

42500 h

Web data sheet D · Page 2 of 4

ebm-papst St. Georgen GmbH & Co. KG · Hermann-Papst-Straße 1 · D-78112 St. Georgen · Phone +49 7724 81-0 · Fax +49 7724 81-1309 · info2@de.ebmpapst.com · www.ebmpapst.com