Three-phase electric motor: H17R-450-6 710KW 6000V 50HZ
| Basic technical data | |
| Motor type | H17R 450-6 |
| Rated power (kW) | 710 |
| Frame size (mm) | 450 |
| Number of poles | 6 |
| Rated speed (rpm) | 992 |
| Frequency (Hz) | 50 |
| Electrical parameters | |
| Rated voltage (V) | 6 000 |
| Connection | Y |
| Rated current (A) | 83,1 |
| Efficiency at 100% load (%) | 96,1 |
| Power factor at 100% load | 0,86 |
| Starting and torque characteristics | |
| Rated torque (Nm) | 6835 |
| Locked-rotor torque ratio (LRT/RLT) | 0,9 |
| Breakdown torque ratio (BDT/RLT) | 1,9 |
| Locked-rotor current ratio (LRA/RLA) | 5,3 |
| Rotor moment of inertia (kg·m²) | 18 |
| 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 | 5300 kg |
| Colour | RAL7030 |
| Paint finish | shiny |
| Bearings and lubrication | |
| DE/NDE bearings | 6328-C3/6328-C3 |
| Lubricant | Li based, no.2 class |
The H17R Compact PRO-HV series is designed for operations with high loads, long cycles and requirements for stable efficiency. The H17R 450-B-6-6 model with an output of 710 kW supports energy efficiency in applications where a 1000 rpm electric motor serves as a decisive element of the entire drive. For operators of large factories as well as OEM manufacturers of technological units, it is essential that the output remains usable even in continuous operation.
One of the main advantages is IE4 Super Premium efficiency, which reduces losses during long-term operation and helps keep consumption under control in demanding industrial drives. In equipment with a high number of operating hours, the difference is reflected especially in lower thermal stress and greater stability of the entire chain. This high-voltage electric motor therefore naturally fits applications where not only output but also operating economics are monitored.
IE4 Super Premium efficiency for long-term operating savings
When designing technological lines, the balance between losses, torque and compatibility with starting conditions is important. Rated torque of 6835 Nm creates the conditions for smooth transmission of force to pumps, compressors and agitators where stable operation without unnecessary outages is required. Rated current of 83,1 A and power factor of 0,86 fit the design of power-supply and protective elements in the substation.
Compact 6000 V electric motor for space-efficient installation
For designers, it is advantageous that the 6000 V electric motor is designed as a compact 6 kV motor that allows full output even in H315 to H560 frame sizes. The 450 mm frame size simplifies integration into existing technological assemblies where machine-room space is limited. In practice, this means simpler foundation designs, shorter connections to auxiliary technologies and a clearer arrangement of the entire drive.
It is used in cement-clinker mills, drives for heavy conveyors, large flue-gas extraction fans, centrifugal pumps for circulation circuits, gas compressors, extruders for chemical production, drum dryers and agitators for slurry processing. Such applications place emphasis on reliable starts, long bearing service life and precise coordination with converters and switchgear.
Voltage selection option for different industrial networks
The voltage selection option simplifies use in plants that operate different grid standards or modernize older blocks in stages. Availability of 3 300 V, 6 000 V, 10 000 V and 11 000 V levels assists in designing new lines as well as replacing existing drives in different countries and operations. For project departments, this means fewer compromises when integrating into electrical infrastructure.
HV electric motors with a design for reliable diagnostics
The H17R Compact PRO-HV family of HV electric motors is designed with an emphasis on monitoring the condition of both windings and bearings. For service teams, precise monitoring of temperature conditions is important, supporting shutdown planning and reducing the risk of unplanned intervention. A weight of 5300 kg and rotor moment of inertia of 18,0 kg·m² must be taken into account during installation, in starting characteristics and in the design of the mechanical mounting.
Insulation class F together with temperature rise B create reserve capacity for prolonged loading in operations with high thermal stress. A rotor cage made of copper strip supports robust energy transmission both during starting and in steady-state operation. DE bearing 6328-C3 and NDE bearing 6328-C3 are selected with regard to the high mechanical stresses typical of large technological units.
Support for maintenance and a long operating cycle
VYBO Electric is the largest company in its sector in Central Europe. Available accessories include 6 x PT100 in the winding, 1 x PT100 in the NDE bearing, 1 x PT100 in the DE bearing, an anti-condensation heater and 3 x PTC thermistor, simplifying integration into motor condition-monitoring and protection systems. For the operator, this means better supervision of temperature, humidity and the service cycle across the entire equipment.
When selecting for new or refurbished technological blocks, process continuity is also decisive. This 1000 rpm electric motor, designed for high-voltage applications, supports stable power transmission over long production periods. If the drive determines the overall availability of the line, order the solution today so installation and commissioning can be planned smoothly.
Operational stability for large factories and OEM assemblies
Industrial units with high loads require a motor that can handle continuous operation without unnecessary compromise in availability. A rated speed of 992 rpm together with the starting ratio and breakdown ratio provides designers with a basis for control and protection design. An electric motor in this category therefore fits well into the energy balances of large factories where every kilowatt-hour and the overall reliability of the technological node are monitored.

