Small Compact Backward Curved Centrifugal Fan Side View

Seemtek 133mm Permanent Magnet Brushless EC Motor 43W Small Compact Backward Curved Centrifugal Fan

Voltage Type: AC

Motor Type: EC Brushless External Rotor Motor

Impeller Diameter: 133mm

Impeller Material: PA Plastic + Glass Fiber

Speed Control: 0-10VDC/PWM

Protection Type: IP44

Insulation Class: B

Operation Temperature : - 25 ℃ ~ +60 ℃

Motor Protection: Locked-Rotor Protection, Reverse Polarity Protection, Thermal Protection, Soft Start

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Technical Parameters

Model No.	Bearing System	Rated Voltage	Frequency	Rated Current	Rated Power	Rated Speed	Air Flow	Air Pressure	Noise Level
Model No.	B/S	VAC	Hz	A	W	RPM	m³/h	Pa	dBA
B3E-2A133-S7-01	Ball	230	50/60	0.35	43	4480	460	475	75

Outline Drawing

B3E-2A133-S7-01 2D图纸

Performance Curve

B3E-2A133-S7-01 PQ

Application Fields

Renewable Energies

As renewable energy continues to make up a larger share of the global power supply, the systems responsible for generating, storing, and distributing that energy must meet ever-higher standards for efficiency, reliability, and durability. At Seemtek, our advanced, intelligently controlled fans are designed to meet these demands—ensuring effective thermal management across a wide range of renewable energy applications. Drawing on our deep industry experience and commitment to innovation, we support the long-term, stable operation of electric vehicle charging stations, energy storage units, solar inverters, and other clean energy infrastructure.

Application Fields

Ventilation

In the design of ventilation equipment, human health and comfort are key considerations. The low-noise, high-performance fans offered by Seemtek ensure optimal airflow while enhancing comfort and promoting a healthy environment. By integrating Seemtek’s energy-efficient drive systems and intelligent control technologies, our biomimetic fans deliver stable and efficient performance in a wide range of applications, maintaining low noise levels that are almost imperceptible. The ideal modern ventilation system is quiet, discreet, and highly reliable, achieving excellent energy efficiency and economic operation through precise control and intelligent adjustment based on demand.