Three-phase electric motor: H17R-450-6 900KW 6000V 50HZ
| Basic technical data | |
| Motor type | H17R 450-6 |
| Rated power (kW) | 900 |
| Frame size (mm) | 450 |
| Number of poles | 6 |
| Rated speed (rpm) | 994 |
| Frequency (Hz) | 50 |
| Electrical parameters | |
| Rated voltage (V) | 6 000 |
| Connection | Y |
| Rated current (A) | 105 |
| Efficiency at 100% load (%) | 96,3 |
| Power factor at 100% load | 0,86 |
| Starting and torque characteristics | |
| Rated torque (Nm) | 8647 |
| Locked-rotor torque ratio (LRT/RLT) | 1,1 |
| Breakdown torque ratio (BDT/RLT) | 2,1 |
| Locked-rotor current ratio (LRA/RLA) | 6 |
| Rotor moment of inertia (kg·m²) | 22 |
| Accessories | |
| 6 x PT100 in winding | |
| 1 x PT100 in NDE bearing | |
| 1 x PT100 in DE bearing | |
| Anti-condensation heater 230 V | |
| 3 x PTC thermistor | |
| Applicable standards | |
| Specification | IEC60034-1 |
| Testing | IEC60034-2 |
| Noise | IEC60034-9 |
| Vibration | IEC60034-14 |
| Construction and operating data | |
| Mounting arrangement | IM B3 (other designs on request) |
| Duty type | S1 |
| Load type | Parabolic or linear curve |
| Degree of protection | IP55 |
| Insulation class | F |
| Temperature rise class | B |
| Cooling method | IC411 |
| Starting method | DOL, VFD, Soft-starter |
| Direction of rotation | Both |
| Vibration (mm/s) | 2.8 |
| Rotor cage | copper bar |
| Terminal box type | VYBO CB1-HV |
| Operating conditions | |
| Ambient temperature range (°C) | -20 to +40 (-30, +50, +60 optional) |
| Maximum installation altitude | up to 1000 m |
| Weight and surface finish | |
| Approximate weight | 5700 kg |
| Colour | RAL7030 |
| Paint finish | shiny |
| Bearings and lubrication | |
| DE/NDE bearings | 6328-C3/6328-C3 |
| Lubricant | Li based, no.2 class |
The 900 rpm electric motor in the H17R 450-D-6-6 version delivers compact power for large technological units where high loads and long operating cycles are expected. The model with an output of 900 kW is suitable wherever a high-voltage electric motor must operate steadily, with low losses and reserve capacity for demanding starts and steady-state operation.
The copper rotor increases the durability of the assembly in operation because the copper rotor alloy limits losses and helps withstand thermal stress under continuous load. This is precisely why this three-phase electric motor is well suited to applications where long service life without frequent drive interventions is required.
900 rpm electric motor for drives with high operating loads
The design with a 450 mm frame provides space for robust mounting of active parts and reliable power transmission to the technology. IE4 Super Premium efficiency supports energy efficiency in operations where every kilowatt-hour directly affects operating costs. At the same time, the motor is designed as a 6-pole electric motor, helping maintain a suitable operating mode for applications with medium speeds and high torque.
Advanced temperature monitoring through PT100 in the winding and bearings improves supervision of drive condition during long production shifts. In practice, this is valued by operators of large factories as well as OEM manufacturers of large technological units who need to respond promptly to changes in the temperature regime without unnecessary downtime. Accessories are also available to simplify integration into the switchgear and the equipment’s service concept.
Operational reliability under continuous load
- Drives for cement mills.
- Compressor units for the energy sector.
- Blowers in metallurgical lines.
- Pumps for large water-management systems.
- Rolling stands in steelworks.
- Agitators in chemical production.
- Crushers in mineral processing.
- Extruders in production technological units.
Design prepared for integration into OEM solutions
6328-C3 bearings on both the DE and NDE sides support precise rotor guidance under long-term load, and a weight of 5700 kg contributes to assembly stability in stationary installations. Rated current of 105 A, torque of 8647 Nm, power factor of 0,86 and efficiency of 96,3 % provide parameters suitable for designing drives where operational reliability is decisive. VYBO Electric operates as a proven manufacturer and distributor, so this motor naturally fits standardized as well as custom assemblies.
The 900 rpm electric motor from VYBO Electric is a solution for operations requiring long service life, temperature control and efficient operation in one unit. Take advantage of the offer if you want to reduce technical risk when deploying a high-power drive with stable behaviour in demanding industry.