Special cooling fans for forced ventilation of radiators for power transformers.
We have an exclusive testing lab dedicated to development and test, for excellence, high quality and efficiency of our products.
| Model | RPM | CFM(1) | dB(A) |
|---|---|---|---|
| CF19 | 850 | 2758 | 51.5 |
| 1140 | 2936 | 56 | |
| 1750 | 4806 | 63.5 | |
| CF19+ | 1140 | 6230 | 64 |
| CF23 | 850 | 4225 | 52 |
| 1140 | 6094 | 58.5 | |
| 1750 | 8156 | 66.5 | |
| CF26 | 850 | 4010 | 47.5 |
| 1140 | 6164 | 56.5 | |
| 1750 | 8355 | 68 | |
| CF27 | 850 | 5419 | 50.9 |
| 1140 | 7294 | 60 | |
| 1750 | 10510 | 71.5 |
Service conditions
According to IEC 60076-1 and IEEE C57.12.00 or unusual service
conditions agreed between the purchaser and supplier.
Standard
IEC 60076-22-6 and IEEE C57.12.36 or unusual service
conditions agreed between the purchaser and supplier.
Duty Type
Continuous operation S1.
Mounting Position
Horizontal and Vertical - up.
Corrosion Class
C4 acc. to ISO 12944-2 or another special requests.
Overall Dimension
See detail in datasheets and drawings.
Technical Parameters
See the datasheets.
Motor Construction
Motor
According to NEMA MG 1 (UL Certification); 1-phase or 3-phase motor with internal automatic reset overload protections sensing both temperature and current.
Frame
NEMA 48 with stainless steel shaft Total enclosed motor
Winding Insulation
Class F
Winding Temperature Rise
Class B for longer motor life acc. to IEC 60085
Max Ambient Temperature
+131°F (+55°C) or another special requests.
Motor degree protection
IP54 enclousure according to IEC 60529 or another special requests.
Final Coat Standard
ANSI 70 GRAY.
Bearings
Double sealed ball bearings.
Connection Hole
1/2" NPT.
Drain Plugs
The motor includes strategically positioned drain holes for both horizontal and vertical operation, according to instructions supplied with each fan.
Fan Blade
Blade
Each blade assembly is manufactured as a single piece of aluminum.
Guards and Housing
Protection
Acc. to IEC 60529 IP20 and OSHA requirements.
Finishing
Hot-Dip Galvanizing ASTM A123 and/or EN 1461
or Stainless Steel in special requests.
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