Ventilation Solutions for Railway and Bus Applications
ETRI ventilation solutions for railway applications
- Code :
- 121DH2TM11200
- Designation :
- DC 172 x 150 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 121DW2TM11200
- Designation :
- DC 172 x 150 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 121DW9TM11200
- Designation :
- DC 172 x 150 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DH1LP11000 A
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DH2LP11000 A
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DH4LP11000 A
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DH9LP11241
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DL1LP11000 A
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
- Code :
- 125DL2LP11000 A
- Designation :
- DC 120 x 120 x 38 mm Fan
- Range :
- Axial compact DC fan
ETRI develops railway ventilation solutions designed to ensure passenger and driver comfort while providing efficient cooling for onboard electronic equipment. Our fans are integrated into a wide range of applications in trains, metro systems, trams, and buses, where reliability and thermal management are critical.
Our solutions address a variety of requirements, including:
- Ventilation and air conditioning for driver's cabins
- Cooling of electronic equipment and electrical enclosures
- Cooling of power electronics and power conversion units
- Fan trays for electrical and electronic racks
- Ventilation of onboard systems
To meet the specific demands of railway applications, ETRI offers a comprehensive range of single-phase and three-phase AC motors, available in various voltages and frequencies, as well as DC motors from 24 V to 110 VDC.
Our motors feature insulation systems specifically designed for railway environments, while the mechanical design of our fans ensures excellent resistance to demanding operating conditions. Most of our standard fan models can also be customized to meet the specific requirements of each project, including supply voltage, performance targets, and installation constraints.
ETRI DC Ventilation Solutions
ETRI DC axial fans provide an excellent combination of high airflow and compact dimensions, making them particularly well suited for electrical enclosures and electronic equipment.
Key features:
- Airflow up to 120L/s
- Static pressure up to 32mmH₂O
- 12V, 24V, and 48VDC supply voltages
- Wide range of options, including tachometer output, alarm signal, IP protection ratings, connector options, and custom configurations
ETRI designs custom fan trays integrating multiple compact axial fans to optimize the cooling of electrical and electronic racks. Each solution is engineered to meet your installation constraints and airflow requirements.
High-Performance DC Axial Fans
Designed for the most demanding applications, ETRI High-Performance DC fans combine high airflow, high static pressure, and exceptional reliability.
Key features:
- Airflow up to 514L/s
- Static pressure up to 98mmH₂O
- 26V, 28V, and 110VDC motor options
- Available protective features: tropicalized construction, salt spray resistance, shock and vibration protection
- Two-stage fan configurations available for applications with high pressure losses
ETRI ventilation solutions can be fully customized to meet the mechanical, electrical, and environmental requirements of your application.
Onboard Ventilation and Thermal Management for Railway and Bus Applications
The public transportation sector—including railways, metros, trams, and buses—requires ventilation solutions that meet the highest standards of safety, reliability, and durability. To address these demanding environments, ETRI designs high-performance cooling solutions tailored to the integration, power supply, and environmental constraints of rolling stock.
- Compliance with EN 45545-2 Fire Safety Standard
- Our axial fans, centrifugal fans, and blowers are regularly tested and qualified to comply with the stringent requirements of the EN 45545-2 European railway fire safety standard.
- Designed to meet the most demanding fire hazard classifications, including HL2 (Hazard Level 2) and HL3 (Hazard Level 3), our solutions comply with R22 (interior equipment) and R23 (exterior equipment) requirements for tunnel, metro, and railway applications. These characteristics ensure outstanding fire performance while significantly limiting smoke propagation and toxic gas emissions.
- Key Rolling Stock Applications
- HVAC and passenger comfort: Ventilation, heating, and air conditioning systems for driver cabins and passenger compartments.
- Power electronics cooling: Active thermal management of traction systems, inverters, auxiliary power converters, and electronic fan trays.
- Propulsion and braking systems: Cooling of traction motors, braking resistors, and associated power equipment to maintain optimum operating temperatures.
- Rugged Design and Electrical Flexibility
- Robust construction designed to withstand continuous vibration, rolling shocks, extreme climatic conditions, and dust exposure.
- Available with single-phase and three-phase AC motors, as well as low-voltage DC motors, ensuring compatibility with the specific onboard electrical systems used in railway and bus applications.