DRAD & DRAG EC Forward Curved Centrifugal Fans

DRAD & DRAG EC Forward Curved Centrifugal Fans

Available in Two Sizes; 250mm and 280mm

Manufacturing Features:
Centrifugal fan made of galvanised sheet steel.

Flow rates up to 15,000 m³/h.
Forward curved impellers.
Impeller sizes: 180mm - 400mm.
Casing made of galvanised sheet steel.
Steep volume-pressure curve.
Extremely low starting current.
Asynchronous external rotor motor.
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.

Versatile energy saving fans

Featuring Integrated Speed Control and Motor Protection

The DRAD and DRAG series of EC forward curved fans are a versatile and energy efficient component specifically developed for process air technology and air conditioning. They are compact in design and suitable for a range of applications including confined spaces. Some common applications include air handling units, compressors, industrial buildings and renewable energy sources such as wind turbines.

Offering Airflow Rates up to 15,000 m³/h

DRAD and DRAG double inlet fans are available with impeller sizes from 180mm to 400mm and can provide airflows up to 15,000 m³/h.

Available Fan Types

DRAD: Double-sided inlet design, three phase

DRAG: Double-sided inlet design, EC motor 

Suitable Applications

•Air handling units
•Industrial buildings
•Renewable energy sources (e.g. wind turbines)

Technical Data

DRAD and DRAG models are paired with an EC asynchronous external rotor motor with an IP54 Protection class and a thermal class F.

Fan Type Voltage
Power (kW)
Current (A)
Max Temp
IP Rating
GKHM 355-CIG.102.5HF IE Gen3 (IE5) 3~ 380-480 50 / 60 2.33 3.7 at 400V 3120 40 IP54
GKHM 400-CIG.114.6FF IE Gen3 (IE5) 3~ 380-480 50 / 60 4.48 7 at 400V 3170 40 IP54
GKHM 450-CIG.128.6IF IE Gen3 (IE4) 3~ 380-480 50 / 60 5.9 9.05 at 400V 2950 40 IP54
GKHM 500-CIG.143.6NA IE Gen3+ (IE4) 3~ 380-480 50 / 60 7.48 11.4 at 400V 2625 40 IP54
GKHM 560-CIG.160.6NA IE Gen3+ (IE4) 3~ 380-480 50 / 60 6.85 10.7 at 400V 2125 40 IP54
GKHM 630-CIG.180.6NA IE Gen3+ (IE4) 3~ 380-480 50 / 60 5.1 7.88 at 400V 1580 40 IP54