Bonfiglioli 0.37kW 2 Pole IE2 Motor – 0.5HP 2820rpm IEC BN 71A B5 Flange Motor
The Bonfiglioli 0.37kW 2 Pole IE2 Motor is a three-phase asynchronous AC motor from the Bonfiglioli BN series, built for reliable industrial use across geared motor assemblies, OEM machinery, conveyors, pumps, fans and general automation systems. This model uses an IEC BN 71A B5 flange-mounted configuration and is suitable where a compact, dependable 0.37kW 2 pole motor is required. Searchable Bonfiglioli part code: BN71A2 / BN 71A 2 for the B5 mounting version.
Key Technical Details
- Brand: Bonfiglioli
- Motor Series: BN Series
- Bonfiglioli Part Code: BN71A2
- Code With Mounting: BN71A2 B5
- Rated Power: 0.37kW (0.5HP)
- Poles: 2 Pole
- Rated Speed: 2820rpm at 50Hz
- Rated Torque: 1.25Nm
- Frame / Model: BN 71A B5
- Mounting: Flange Motor
Electrical Specifications
- Supply: Three Phase
- Standard Voltage: 230/400V Δ/Y, 50Hz
- Rated Current at 400V: 0.95A
- Efficiency at Full Load: 73.8%
- Efficiency Class: IE2
- Power Factor: 0.76
- Duty Type: S1 Continuous Duty
- Insulation Class: Class F
Mechanical & Protection Details
- Construction: Enclosed three-phase asynchronous motor with external fan cooling
- Cooling Method: IC 411 self-ventilated cooling
- Protection: IP55 standard
- Rotation: Suitable for clockwise or counter-clockwise rotation by phase sequence
- Application Type: Industrial continuous-duty motor for conveyors, pumps, fans, packaging machinery and general industrial equipment
View Comparable Mountings
Same Bonfiglioli motor power and speed, different mounting options: compare the other mounting styles available for this exact power and pole configuration.
View Different kWs
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Browse the main motor ranges: return to the full AC motor hub or the main Bonfiglioli motor category.
Frequently Asked Questions
What applications suit this Bonfiglioli 0.37kW 2 pole IE2 Motor?
This motor is commonly selected for conveyors, pumps, fans, packaging machinery and general industrial equipment where a robust three-phase IEC motor is required.
What does the IEC BN 71A B5 code mean?
It identifies the Bonfiglioli BN motor frame size and mounting arrangement, helping match the motor to the correct base, flange, gearbox input or machine position.
Is this motor suitable for continuous duty?
Yes, the BN motor rating chart lists this motor for S1 continuous duty at 50Hz, making it suitable for normal industrial running applications when correctly sized.
Can this motor rotate in both directions?
Yes, Bonfiglioli three-phase motors can run in either direction. Swapping two supply phases reverses the direction of rotation.
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