CTH4 Roof Mounted Centrifugal Fans
Available as Standard or with C4-C5 Corrosion Protection
Manufacturing Features:
Centrifugal roof fan made of steel.
Polyester powder finishing coat.
High efficiency backward impeller with self-cleaning system, made of steel.
Standard asynchronous motor with IP-55 protection and Class F insulation. Manufactured with standard voltages: 230/400V 50Hz 3~ motors and 400V 50Hz in 2 speed motors.
Offering Airflows up to 27,090 m³/h
CTH4 centrifugal roof fans provide an efficient ventilation solution in buildings and industries and can offer airflows up to 27090m³/h. They are also commonly used for industrial and professional kitchen hoods.
CTH4: Centrifugal roof fan with backward curved impeller
•Smoke extraction
•Air renewal in buildings and industries
•Industrial and professional kitchen hoods
•Maximum continuous operation temperature: 80ºC (fluide)
•Maximum ambient temperature: 50ºC
•Cinemas
•60Hz and special voltages
•Light version made of aluminium
•Naval version made of inox 304/316
•Paint finish coat C4-C5
Technical Data
The CTH4 series of roof fans are paired with a standard asynchronous motor with IP-55 protection and Class F insulation. Motors are manufactured with standard voltages: 230/400V 50Hz three phase motors and 400V 50Hz in 2 speed motors.
| 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 |