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Các loại 250°C, 300°C, 400°C
ATT Smoke Extraction Motors are specifically designed to meet demanding and critical industrial applications such as fire emergencies and more. Smoke extraction systems are employed in a wide range of environments including large buildings, shopping malls, factories, warehouses, enclosed parking lots, tunnels, among others.
This motor is made to provide a life-saving role through fastest possible extraction and clearance of toxic fumes and smoke at high temperature during emergencies. Incorporating these smoke extraction motors into your rescue or emergency systems may mitigate damage to property and financial loss by preventing the accumulation of smoke, reducing environment temperatures and the delay in rate of fire spreading.
ATT Smoke Extraction Motors are compliant to EN 12101-3 which determines the standard for “Smoke and Heat Control Systems”. All ATT Smoke Extraction Motors are tested and certified to operate for two hours at a temperature of 250°C, 300°C and 400°C.
| Class | Temperature (ºC) | Duration |
| F250-120 | 250 ºC | 2 hours |
| F300-120 | 300 ºC | 2 hours |
| F400-120 | 400 ºC | 2 hours |
| Item | Standard Specifications |
| Type of Motor | Totally Enclosed Air Over (TEAO) Squirrel Cage Cast Iron Induction Motor |
| Design Standard | IEC 60034-1; EN 12101-3 |
| Framesize | 80-400 |
| Voltage and Frequency | Standard stock available are:
220-240/380-415V/50Hz for 2.2 KW & below 380-415/660-720V/50Hz for 3KW & above Other voltages & frequency such as 200V, 346V, 440V & 60Hz can be supplied on request |
| Power Conditions | ± 5% of rated voltage; ± 1% frequency and ± 1% phase unbalance |
| Efficiency Standard | IE1 / IE2 / IE3 (IEC 60034-30-1) |
| Time Duty | Continuous S1 or (S2 – (250°C or 300°C or 400°C/2hours – once only) |
| Cooling Method | Fan application motors without a cooling fan, cooled by the airstream of the driven machine (IC 418) |
| Method of Starting | Full voltage direct on line starting or star-delta starting |
| Insulation & Temperate Rise Class | Class H insulation and Class B temperature rise |
| Degree of Protection | IP55 |
| Rotor Winding | Squirrel cage, aluminium conductor with end-ring and wafter blades integrally cast |
| Environmental Conditions | Place: Non-hazardous, shaded
Ambient temperature: -20°C to 40°C Relative humidity: Less than 90% relative humidity (non-condensation) Altitude: Up to 1,000 metres above sea level |
| Direction of Rotation | Standard motors are suitable for operation in either direction of rotation of shaft.
Direction of rotation can be reversed by interchanging any two of the power lines. |
| Test Procedure | IEC and full voltage measuring starting operation |
| Fan Cover | Pressed steel |
| Shaft | Carbon Steel, round shaft with key |
| Bearing | Grease pre-packed shielded ball bearing |
| Lubrication | Heat resistant grease |
| Painting | Phenolic rust-proof base plus lacquer surface finish. Painting in ATT red. |
| Ground Terminal | NE set inside the terminal box |
| Terminal Box & Lead Wires | Supplied with separate terminal box and 1 metre extended lead wires |
| Other Options Available (Contact ATT to inquire for other options) | |
| VSD Driven | Inverter duty motor suitable for VSD operation |
| Heaters | Space heaters (110V/220V/1ph) or winding heaters available on request |
| Thermal Protection | PTC thermistor 150°CWinding or bearing RTD (PT100) |
| Degree of Protection | Up to IP66 |
The table below contains the various types of mounting available for Smoke Extraction Motor Series. If you are unable to find the dimensions to the mounting you prefer, please contact us for the outlining dimensions.
