Centrifugal fans ; forward curved (Type: E/DRA...)

Classification:

Centrifugal Fans

Forward Curved

Product accessories:

Catalogue: World of fans (Standard fans).pdf

Operating manual: Fans with AC-drives (BA045).pdf

Product Description

Casings are made of galvanised sheet steel. Side parts and the spiral-shaped guide plate are connected with rivets.

Properties

» Flow rates up to 15,000 m³/h

» Size: 180 - 400 mm (impeller diameter)

» Casing made of galvanised sheet steel

» Asynchronous external rotor motor

» Forward curved impellers

» Feet can be offset by 90°

» Protection class IP54

» Thermal class F

» Connection cable on side

» Motor protection by thermal contacts

» Speed is variable using auto transformers

Casing

Casings are made of galvanised sheet steel. Side parts and the spiral-shaped guide plate are connected with rivets. In the side panels, there are holes for the fixing of the feet, which can be implemented by 90°.

model - ERA	single inlet design (E)
model - ERA	double-sided inlet design (D)

Impellers

The impeller is made of galvanised sheet steel and is mounted directly to the rotor of the external rotor motor and balanced dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11.

Electrical connection

The drive motors are fitted with an outgoing cable. The electrical connection is made via an IP44 terminal box which is supplied loose.