The Busck T2A71A-4B5 is an IEC-standard asynchronous motor rated at 0.25 kW and 1400 RPM (4-pole), suited for continuous duty (S1 operation) in industrial environments. With a compact IEC 71 frame and B5 flange mounting, it fits a wide range of drive systems where footprint and reliability are critical.

The motor features a shaft diameter of Ø14 mm, an aluminium housing, and IP55 ingress protection. Cooling is provided by a Totally Enclosed Fan Cooled (TEFC) design, and the insulation is Class F.

Performance highlights include a starting torque of 2.2 Nm, a rated torque of 1.71 Nm, and a start current ratio of 4.1 IA/IN. The motor achieves a full-load efficiency of 69.6%.

Key Features:

• 0.25 kW output at 1400 RPM

• B5 flange mount, IEC 71 frame

• Shaft diameter: Ø14 mm

• Starting torque: 2.2 Nm

• Rated torque: 1.71 Nm

• Start current ratio: 4.1 IA/IN

• IP55 protection, TEFC

• Aluminium housing, Class F insulation

• S1 continuous duty

• Efficiency: 69.6%