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CTH4 Roof Mounted Centrifugal Fans

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.


CTH4 centrifugal fans featuring high efficiency backward curved impellers are

Designed for Roof Installation with Vertical Discharge

 CTH4 fans are specially designed for roof installation, with vertical discharge without any additional kit. They feature a high efficiency backward curved impeller with a self-cleaning system. The maximum continuous operating temperature is up to 80ºC with a maximum ambient temperature up to 50ºC.

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.

Available Fan Types

CTH4: Centrifugal roof fan with backward curved impeller

Suitable Applications

•Smoke extraction
•Air renewal in buildings and industries
•Industrial and professional kitchen hoods
•Maximum continuous operation temperature: 80ºC (fluide)
•Maximum ambient temperature: 50ºC
•Cinemas

Available on Request

•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