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.
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.
DRAD: Double-sided inlet design, three phase
DRAG: Double-sided inlet design, EC motor
•Air handling units
•Compressors
•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 (V) |
Frequency (Hz) |
Input Power (kW) |
Rated Current (A) |
Speed (rpm) |
Max Temp (°C) |
IP Rating (IP) |
|---|---|---|---|---|---|---|---|
| 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 |