Centrifugal fans Rosenberg EHAG,E/DRA, E/DHA,ERN,EHN, etc.

Rosenberg centrifugal fans with backward-curved blades

EC Centrifugal fans; blades bent backwards (Type: EHAG...)

Specifications:

• maximum air capacity up to 13400 m3/h
• diameter of the impeller: 225 - 560 mm
• highly efficient EC technologies
• compact size
• backward-curved impeller blades
• the support legs can be rearranged every 90°
• speed control from 0 to 100%
• integrated control system (EC controller)

• EHAG. Technical specifications.

Centrifugal fans ; blades bent backwards (Type: E/DHA...)

Specifications:

• maximum air capacity is 28000 m3/h
• diameter of the impeller 225 - 560 mm
• asynchronous motor with external rotor
• backward-curved impeller blades
• the support legs can be rearranged every 90°
• motor protection class IP54
• thermal class F
• motor cable output
• motor protection on thermal contacts
• the rotation speed is regulated by a transformer

• E/DHA. Technical specifications.

Centrifugal fans with IEC motor ; blades bent backwards (Type: EHN...)

Specifications:

• maximum air capacity is 21000 m3/h
• diameter of the impeller 200 - 630 mm
• housing made of galvanized steel sheet
• left and right rotation
• synchronous electric motor, protection class IP55, thermal class F
• backward-curved impeller blades
• the terminal box is installed on the motor, has a degree of protection IP55
• it is possible to control using a frequency controller
• motor protection with PTC thermistors

• EHN. Technical specifications.

Rosenberg centrifugal fans with forward-curved blades

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

Specifications:

• maximum air capacity up to 15,000 m3/h
• diameter of the impeller: 180 - 400 mm
• housing made of galvanized steel sheet
• asynchronous motor with external rotor
• forward-curved impeller blades
• the support legs can be rearranged every 90°
• motor protection class IP54
• thermal class F
• motor cable output
• motor protection on thermal contacts
• the rotation speed is regulated by a transformer
• the number of fan revolutions varies depending on the total pressure

Centrifugal fans with sliding characteristics (Type: E/DRA...)

Specifications:

• maximum air capacity 12000 m3/h
• impeller diameter: 249 - 399mm
• the number of fan revolutions varies depending on the sumar pressure
• extremely low inrush current
• housing made of galvanized steel sheet
• asynchronous motor with external rotor
• forward-curved impeller blades
• motor protection class IP54
• thermal class F
• motor protection on thermal contacts
• the rotation speed is regulated by a transformer

• E/DRA. Technical specifications.

Centrifugal fans with IEC motor ; blades bent forward (Type: ERN...)

Specifications:

• maximum air capacity 11000 m3/h
• diameter of the impeller: 200 - 450 mm
• housing made of galvanized steel sheet
• left and right rotation
• synchronous electric motor, protection class IP55, thermal class F
• forward-curved impeller blades
• the terminal box is mounted on the motor, has a degree of protection IP55
• it is possible to control using a frequency controller
• motor protection with PTC thermistors

• ERN. Technical specifications.

Catalog