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  • Centrifugal fan / locking / with forward-curved blades / EC

E/DRA

Article: 00048904

Centrifugal fan / locking / with forward-curved blades / EC

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


Properties

flow rates up to 12,000 m³/h
size: 249 - 399 mm (impeller diameter)
steep volume-pressure curve
extremely low starting current
casing made of galvanised sheet steel
asynchronous external rotor motorr
forward curved impellers
protection class IP54
thermal class F
motor protection by thermal contacts
speed is variable using auto transformers

Casing

The casing is made of galvanised sheet steel. On request, a plastic coating can be applied at an additional cost.

model - ERA
single inlet design (E)
model - DRA
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 at two levels together with the rotor according to quality level G2.5 to DIN ISO 1940.
Electrical connection

The drive motors are fitted with an outgoing cable. The electrical connection is made via an IP54 terminal box which is supplied loose.

Specifications

  • Configuration: centrifugal
  • Function: locking
  • Other characteristics: with forward-curved blades, EC, IP54, galvanized steel
  • Application: industrial
  • Air flow: Min.: 0 m³/h (0 ft³/h)
  • Mounting: for integration

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In this category | In this category, (ROSENBERG)

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