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DRG MOTOR – SMOKE EXTRACTION ELECTRIC MOTORS
Importance of Smoke Extraction Motors
During a fire, dense smoke, hot gases, and toxic particles pose the greatest risk to both human safety and the structural integrity of the building.
Smoke Extraction systems quickly remove these gases from the environment, facilitating evacuation and supporting fire control efforts.
At the heart of these systems are smoke extraction motors, which differ from standard electric motors in that they:
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Can operate at 300°C – 500°C,
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Do not shut down during fire,
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Are highly thermally insulated and protected.
The DRG MOTOR Smoke Extraction Series is a certified power source that never stops, even during a fire.
DRG MOTOR Smoke Extraction Series – Structural and Material Features
Structural Features:
Body: Cast iron or high-strength steel housing (resistant to thermal expansion).
Windings: 100% pure electrolytic copper with heat-resistant H Class (180°C) varnish coating.
Insulation System: Special winding insulation with thermal resistance up to 200°C.
Bearings: SKF / NSK / C&U bearings with high-temperature grease.
Fan: Metal or aluminum fan resistant to high heat transfer.
Covers: Metal-enclosed structure with heat protection layers.
Terminal Box: Ceramic terminal block with fire-resistant cable connection.
Technical Specifications:
Feature Value / Description Power Range 0.55 kW – 90 kW Voltage 400V / 50Hz Frequency 50 / 60 Hz Speed Options 750 / 1500 / 3000 rpm Insulation Class H Class (180°C) Body Cast Iron / Steel Protection IP55 Mounting B3, B5, B35 Duty Type S1 (Normal) / S2 (Emergency)
| Feature | Value / Description |
|---|---|
| Power Range | 0.55 kW – 90 kW |
| Voltage | 400V / 50Hz |
| Frequency | 50 / 60 Hz |
| Speed Options | 750 / 1500 / 3000 rpm |
| Insulation Class | H Class (180°C) |
| Body | Cast Iron / Steel |
| Protection | IP55 |
| Mounting | B3, B5, B35 |
| Duty Type | S1 (Normal) / S2 (Emergency) |
DRG MOTOR smoke extraction motors operate without torque loss under high temperature conditions.
Temperature Resistance and Certification
High Temperature Resistance Classes:
| Class | Temperature | Duration | Application Area |
|---|---|---|---|
| F200 | 200°C | 120 min | Parking lots, shopping malls |
| F300 | 300°C | 120 min | Offices, tunnels, warehouse systems |
| F400 | 400°C | 120 min | Industrial facilities |
| F500 | 500°C | 60 min | High-risk areas, power plants |
The DRG MOTOR F400 series has successfully passed the 400°C for 120 minutes endurance test.
Certificates and Standards:
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EN 12101-3 – Smoke and Heat Control Systems Standard
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IEC 60034 – Electric Motor Performance Standard
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ISO 9001:2015 – Quality Management System
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CE – LVD – EMC – EAC – European Union compliance certificates
All DRG MOTOR Smoke Extraction series are produced in full compliance with EN 12101-3 standards.
Noise, Vibration and Thermal Performance
🔊 Noise Levels (dB(A)):
| Power Range | Noise Level | Test Standard |
|---|---|---|
| 0.55 – 7.5 kW | 58–64 dB(A) | EN 60034-9 |
| 11 – 55 kW | 65–70 dB(A) | EN 60034-9 |
| 75 – 90 kW | 70–74 dB(A) | EN 60034-9 |
Vibration Levels (mm/s – RMS):
| Test Standard | Value | Description |
|---|---|---|
| ISO 10816 | ≤ 1.8 mm/s | Normal operation |
| Low vibration production | ≤ 1.2 mm/s | For silent fan systems |
Thermal Resistance Features:
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Maximum winding temperature: 200°C
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Maximum bearing temperature: 130°C
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Thermal rise: <80K
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Cooling system: External metal fan (IC418)
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Thermal protection: PTC/PT100 sensors (optional)
DRG MOTOR maintains stable torque and current values even under high temperature conditions.
Application Areas and System Integration
Application Areas:
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Parking ventilation systems
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Metro and tunnel smoke extraction systems
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Shopping malls and high-rise buildings
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Industrial production facilities
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Power plants
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Fire corridors and emergency escape areas
System Integration:
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Compatible with fire detection panels and emergency control systems.
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Can operate with UPS or generator backup.
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Suitable for inverter (VFD) or soft starter systems.
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Can synchronize with EN 12101-9 fan control panels.
DRG MOTOR Smoke Extraction motors automatically or manually activate during emergencies to rapidly remove smoke.
Why Choose the DRG MOTOR Smoke Extraction Series?
1. High Temperature Resistance (F300–F400–F500)
Each model has successfully passed international endurance tests, capable of 60–120 minutes of continuous operation under high heat.
2. Safety and Certification
Full compliance with EN 12101-3 standard and CE / EMC / LVD directives.
3. Durable Materials and Long Lifespan
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Cast iron housing
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H-class insulation
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Metal fan
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High-temperature grease bearings
4. Quiet and Low Vibration Operation
<70 dB(A) noise level and ≤1.8 mm/s vibration value.
5. DRG MOTOR Assurance
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Power range: 0.55 – 90 kW
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Ready stock & custom order options
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2-year warranty
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Nationwide spare parts and service network
“Power that never stops – even during fire: DRG MOTOR Smoke Extraction Series.”
Conclusion: DRG MOTOR at the Heart of Safety
DRG MOTOR Smoke Extraction Electric Motors are reliable, durable, and certified motor solutions that continue operating under extreme heat during fire and emergency conditions.
“The only thing that doesn’t stop in an emergency: the power of DRG MOTOR.”