Description
The Rittal SK 3240.100 TopTherm Filter Fan Unit is a high-performance 230V AC cooling solution designed for roof mounting on industrial enclosures. It incorporates a diagonal fan (typically an ebm-papst K2S165-AA75-06) with a shaded pole motor, which offers superior pressure stability and consistent airflow. This unit is ideal for dissipating heat from control cabinets and protecting temperature-sensitive components by drawing in ambient air. It delivers significant airflow for its compact size, ensuring effective thermal management. The unit comes complete with a filter mat and is designed for tool-free mounting.
Rittal Model Number: SK 3240.100 (also 3240100)
Internal Fan Model (typical): ebm-papst K2S165-AA75-06
Manufacturer: Rittal GmbH & Co. KG (Fan by ebm-papst)
Type: AC Centrifugal (Diagonal Flow) Filter Fan Unit, Roof-Mounted
External Dimensions (W x H x D): 255mm x 255mm x 107mm (Depth includes installation depth)
Build Depth: 25mm (This refers to the portion extending outside the enclosure)
Mounting Cut-out (W x H): 224mm x 224mm
Rated Operating Voltage: 230V AC, 1~
Frequency: 50 Hz / 60 Hz
Rated Current (max):
0.21A (at 50 Hz)
0.19A (at 60 Hz)
Rated Power (Pel):
35 W (at 50 Hz)
34 W (at 60 Hz)
Air Throughput (Unimpeded Air Flow with standard filter mat):
175 m³/h / 103 CFM (at 50 Hz)
155 m³/h / 91.2 CFM (at 60 Hz)
Noise Level:
51 dB(A) (at 50 Hz)
46 dB(A) (at 60 Hz)
Fan Speed:
2150 min⁻¹ (RPM) (at 50 Hz)
1900 min⁻¹ (RPM) (at 60 Hz)
Bearing Type: Ball Bearing (for the internal ebm-papst fan)
Life Expectancy (L10, 40°C):
72,000 h (at 50 Hz)
76,000 h (at 60 Hz)
Operating Temperature Range: -30°C to +55°C
Storage Temperature Range: -30°C to +70°C
Protection Category IP to IEC 60 529:
IP54 (with standard fleece filter/pleated filter)
IP55 (with pleated filter and absorber mat)
IP56 (with fleece filter/pleated filter and hose-proof hood)
Protection Category NEMA: Type 12 (with standard fleece filter/pleated filter)
Color: RAL 7035 (Light Gray)
Connection: Spring-type terminal (for electrical connection)
Features: Diagonal flow fan, Shaded pole motor, Complete unit ready to install including filter mat, Tool-free mounting, Reversible airflow direction.


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