BC190 — Centrifugal Fan

SUNXFAN BC190 series: 6 models. All figures below are manufacturer datasheet values.

Model matrix

Model Airflow Max static pressure Voltage Power Speed Noise Speed control
BC190A-D072A8-01 620 m³/h 500 Pa 48 V DC 58 W 3000 r/min 63±2 dB(A) 0-10V/PWM
BC190B-D072A6-01 660 m³/h 500 Pa 24 V DC 70 W 3150 r/min 65±2 dB(A) 0-10V/PWM
BC190B-E072A1-01 530 m³/h 590 Pa 115 V AC 60 W 2600 r/min 62 dB(A) 0-10V/PWM / 3-speed
BC190B-E072A3-42 530 m³/h 590 Pa 230 V AC 60 W 2600 r/min 62 dB(A) 0-10V/PWM / 3-speed
BC190B-E072B3-02 780m³/h 770 Pa 230 V AC 120 W 3600 r/min 71 dB(A) 0-10V/PWM / 3-speed
BC190B-E072D1-02 660 m³/h 590 Pa 115 V AC 90 W 3100 r/min 66 dB(A) 0-10V/PWM / 3-speed

BC190A-D072A8-01 — DC190 Backward-Curved Centrifugal Fan — 620 m³/h

Specifications

FAQ

Q: How much energy does slowing an EC fan actually save?

A: Fan laws: airflow scales linearly with speed, pressure with its square, and power with its cube. Drop speed 20% and power falls to about half; 30% saves roughly two-thirds. That cube law is why EC modulation pays back quickly on any fan running long hours at part load, while an AC fan on step control can only sit on a fixed tap.

Q: 24 V or 48 V DC — how do I choose between the BC190 builds?

A: Follow the bus you already have: 24 V is the solar, off-grid and vehicle standard; 48 V is telecom and IT. At the same power, doubling voltage halves current, so 48 V wiring loses four times less energy as heat (I²R) and can run thinner conductors. If you are designing the power system rather than matching it, 48 V is usually the better physics.

Q: Is this fan rated for continuous 24/7 duty in electronics cabinets?

A: Yes — that is its core job. IP54 sealing, ball bearings and a −25 °C to +60 °C window cover shelter and cabinet environments, and the EC motor’s cool-running efficiency means less self-heating in a sealed enclosure. Keep the inlet clear and dust the impeller occasionally; dust imbalance is the main real-world source of vibration.

BC190B-D072A6-01 — DC190 Backward-Curved Centrifugal Fan — 660 m³/h

Specifications

BC190B-E072A1-01 — EC190 Backward-Curved Centrifugal Fan — 530 m³/h

Specifications

BC190B-E072A3-42 — EC190 Backward-Curved Centrifugal Fan — 530 m³/h

Specifications

BC190B-E072B3-02 — EC190 Backward-Curved Centrifugal Fan — 780 m³/h

Specifications

BC190B-E072D1-02 — EC190 Backward-Curved Centrifugal Fan — 660 m³/h

Specifications

Last updated: 2026-11-02