Description
The Protechnic MGT4012MB-O20 is a high-performance 12 VDC DC Axial Fan with dimensions of 40 x 40 x 20 mm, engineered to deliver reliable cooling and efficient thermal management for compact electronic enclosures and industrial devices. Constructed with a durable PBT plastic housing (UL94V-0), PBT impeller (UL94V-0), and precision dual ball bearings, it has a net weight of 32 g. Driven by an advanced brushless DC motor operating at a nominal voltage of 12 VDC, it draws a rated current of 0.11 A with a power consumption of 1.32 W. Operating at a nominal speed of 6000 RPM (±10%), it provides a Max. Air Flow of 7.44 CFM (12.64 m³/h / 0.21 m³/min) with a noise level of 25.6 dBA. Designed for 3-wire operation with integrated FG speed detection (tachometer) signal output, it features reverse polarity protection, locked rotor protection, and complies with CE, UL, and RoHS agency approvals.
MGT4012MB-O20 Fan Parameters
Manufacturer: Protechnic
Model Number: MGT4012MB-O20
Type: DC Axial Fan
Country of Origin: China
Nominal Voltage: 12 VDC
Rated Current: 0.11 A
Power Consumption: 1.32 W
Motor Type: Brushless DC Motor
Electrical Connection: 3 Lead Wires
Control Interface & Signal: Tachometer (FG) Speed Sensor Output
Motor Protection: Reverse Polarity Protection, Locked Rotor Protection
Speed: 6000 RPM (±10%)
Max. Air Flow: 7.44 CFM (12.64 m³/h / 0.21 m³/min)
Noise Level: 25.6 dBA
Dimensions: 40 x 40 x 20 mm
Weight: 32 g
Housing Material: Plastic (PBT UL94V-0)
Impeller Material: Plastic (PBT UL94V-0)
Bearing Type: Dual Ball Bearing
Agency Approvals: CE, UL, RoHS
Application
The Protechnic MGT4012MB-O20 is deployed in network routers, switches, 3D printers, small server units, power supplies, medical equipment, and compact industrial automation control cabinets requiring active cooling.





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