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
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 - DRA
double-sided inlet design (D)
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.
The drive motors are fitted with an outgoing cable. The electrical connection is made via an IP44 terminal box which is supplied loose.