Product Overview: Bonfiglioli 0.75kW 4-Pole Motor
The Bonfiglioli MTR 0.75KW 4P B5/80 is a high-performance three-phase asynchronous AC motor designed for continuous industrial duty (S1). Rated at 0.75kW (1.0 HP) and featuring a 4-pole configuration, this motor provides a stable and reliable speed of approximately 1400-1450 RPM. It is engineered with a standard B5 flange and an 80 frame size, making it the ideal driver for gearboxes, fans, and pumps.
Technical Specifications
- Power Rating: 0.75 kW (1.0 HP).
- Pole Count: 4 Poles.
- Frame Size: 80.
- Mounting: B5 Flange (Large Flange).
- Phase: Three-phase AC.
- Enclosure Rating: IP55 (Protection against dust and water jets).
- Insulation Class: Class F (up to 155°C).
- Duty Cycle: S1 (Continuous operation).
Construction and Performance
Built with a die-cast aluminum housing, the 80-frame motor ensures superior thermal dissipation while maintaining a lightweight profile. The motor’s rotor is precision-balanced to minimize vibration and extend the lifespan of both the motor bearings and the coupled transmission equipment. Its internal copper windings are impregnated with high-quality resins to prevent moisture ingress and electrical failure in harsh factory environments.
| Electrical Data | Value |
| Voltage Range | 230/400V (Star/Delta) |
| Frequency | 50/60 Hz |
| Bearing Type | Permanently Lubricated Ball Bearings |
Maintenance and Compatibility
The MTR 0.75KW 4P is highly compatible with Bonfiglioli’s VF, W, and C series gearboxes. To ensure maximum service life, maintenance teams should periodically check the cooling fan for obstructions. This motor complies with international IEC standards, ensuring global parts availability.
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