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Black backward centrifugal fan with seven curved blades 190mm diameter ball bearing motor 230VAC 105W 2350RPM 650m3/h airflow 62dBA

CAFELE

CAFELE No.R2E190-AE77-B8 190mm 230V 2350RPM 650m³/h case fan

SKU CH-SS4K-BR58Y MPN No.R2E190-AE77-B8

190 mm backward centrifugal case fan running at 2350 RPM on 230 VAC, delivering 650 m³/h airflow with ball-bearing motor

  • TypeCase Fan
  • High airflow of 650 m³/h for effective cooling
  • Backward centrifugal design with 7 blades moves air efficiently
  • Ball bearing motor rated for 2350 RPM at 105 W
  • Operates on 230 VAC with 0.26 A current draw
  • Wide ambient range from -25 °C to 55 °C with H1 moisture resistance

190 mm 230 VAC centrifugal case fan

The CAFELE No.R2E190-AE77-B8 is a backward-curved centrifugal fan built for 230 VAC mains supply. It targets industrial enclosures, server racks and custom chassis that require high static pressure from a 190 mm wheel. The unit ships as a single fan without mounting hardware or speed-control electronics.

62 dBA noise at 2350 RPM with 105 W draw

At nominal voltage the motor pulls 0.26 A and consumes 105 W while spinning at 2350 RPM. The ball-bearing assembly delivers 650 m³/h of airflow at a measured 62 dBA. Operating temperature spans -25 °C to 55 °C and the moisture-resistance rating is H1, so the fan suits humid or unconditioned environments.

Ball bearing and PA plastic impeller for longevity

The seven-blade impeller uses PA plastic and the motor structure size is 68 mm. A ball-bearing system replaces sleeve types to extend service life under continuous 230 VAC operation. No PWM lead, controller or filter grill is included, so the installer must provide wiring, protection and mounting suited to the target enclosure.

商品特色

  • High airflow of 650 m³/h for effective cooling
  • Backward centrifugal design with 7 blades moves air efficiently
  • Ball bearing motor rated for 2350 RPM at 105 W
  • Operates on 230 VAC with 0.26 A current draw
  • Wide ambient range from -25 °C to 55 °C with H1 moisture resistance

商品規格

TypeCase Fan

商品問答

How is the 190 mm backward centrifugal fan mounted in a standard case?

The fan uses a 68 mm motor structure and 230 VAC supply; connect the two leads to mains voltage within the 175–230 VAC range and secure the 190 mm frame with four screws, taking care not to overtighten the plastic wind wheel.

What maintenance will the ball-bearing motor need over time?

The sealed ball bearings are lubricated for life; no re-greasing is required, but plan to replace the entire unit if noise rises above the rated 62 dBA or airflow drops below 650 m³/h.

At what ambient temperature does the fan hit its thermal limit during continuous operation?

The specified ambient range tops out at 55 °C; sustained operation above this temperature will trigger the motor’s thermal protection and reduce speed or stop the fan.

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