K2E190-RA26-01 ebm-papst: High-Efficiency Radial Module
The K2E190-RA26-01 belongs to ebm-papst’s «K» series, which typically denotes a radial fan module designed for seamless integration into customer applications. This 190mm unit features a backward-curved motorized impeller made of high-strength fiberglass-reinforced plastic. The key advantage of backward-curved blades is their ability to generate high static pressure with excellent efficiency, and unlike forward-curved fans, they are «non-overloading»—meaning power consumption decreases if the airflow is blocked, protecting the motor from burnout during filter clogging events.
Key Technical Characteristics
- Impeller Diameter: 190 mm.
- Voltage: 230 VAC (Single-phase).
- Motor: M2E068-BF (2-pole, High Speed).
- Blade Geometry: Backward curved (High Efficiency).
- Material: Impeller PA plastic, Rotor Aluminum.
- Mounting: Typically supplied as a module with inlet ring.
Field Maintenance & Diagnostics
Lifecycle State: Active. Widely used in precision cooling, medical equipment, and electronics cooling. Diagnosis: If the fan is running but performance is poor, check the «Inlet Cone» alignment. For K-series modules, the gap between the inlet ring and the impeller is critical (usually < 2mm overlap). A large gap causes air recirculation. Installation Advice: Ensure the fan draws air from a clean source or use a filter. While backward curved blades are less prone to dust buildup than forward curved ones, heavy contamination can still cause vibration at 2500 RPM. Compatibility: Fully compatible with TIA Portal managed systems. The fan status can be monitored via current relays, and it supports speed control via voltage variation, allowing for precise thermal regulation in sensitive equipment.
| Metric | Performance |
|---|---|
| Nominal Speed | 2350 RPM |
| Airflow | 570 – 650 m³/h |
| Power Input | 58 W |
| Temp Range | -25°C to +60°C |
Why choose the K-Series?
The K-series modules come optimized from the factory. The matching of the motor, impeller, and sometimes the inlet nozzle ensures you get the rated performance without having to engineer the airflow dynamics yourself.
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