Three-phase electric motor: H27R-3554-2 500KW 6000V 50HZ
| Basic technical data | |
| Motor type | H27R 3554-2 |
| Rated power (kW) | 500 |
| Frame size (mm) | 355 |
| Number of poles | 2 |
| Rated speed (rpm) | 2980 |
| Frequency (Hz) | 50 |
| Electrical parameters | |
| Rated voltage (V) | 6000 |
| Connection | Y |
| Rated current (A) | 57,2 |
| Efficiency at 100% load (%) | 96 |
| Power factor at 100% load | 0,88 |
| Starting and torque characteristics | |
| Rated torque (Nm) | 1602 |
| Locked-rotor torque ratio (LRT/RLT) | 0,90 |
| Breakdown torque ratio (BDT/RLT) | 2,9 |
| Locked-rotor current ratio (LRA/RLA) | 6,9 |
| Rotor moment of inertia (kg·m²) | 4,6 |
| Load moment of inertia (kg·m²) | 76,5 |
| Accessories | |
| 6 x PT100 in windings | |
| 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 (S2, S3, S4 – S9 optional) |
| Load type | Parabolic or linear curve |
| Degree of protection | IP55 |
| Insulation class | F |
| Temperature rise class | B |
| Cooling method | IC611 (On request IC616, IC666) |
| Starting method | DOL, VFD, Soft-starter |
| Direction of rotation | Both |
| Vibration (mm/s) | 2.8 |
| Rotor cage | copper rotor bars |
| 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 | 2400 kg |
| Colour | RAL7030 |
| Paint finish | shiny |
| Bearings and lubrication | |
| DE/NDE bearings | 6317-C3/6317-C3 |
| Lubricant | Lithium-based grease No. 2 (temperature class) |
The H27R-HD-Modular series is designed for operations that need reliable power transmission with a stable energy balance. The H27R 3554-2-6 model with an output of 500 kW and a rated speed of 2980 rpm is suitable for applications where high availability, precise load response and low losses during continuous operation are expected from the drive. This 3000 rpm electric motor operates with a rated current of 57,2 A and a power factor of 0,88, simplifying the design of the power supply and protection in industrial electrical systems.
3000 rpm electric motor for stable operation of high-power lines
In segments with high operating loads, not only output but also how the motor handles thermal load and contaminated environments is decisive. IC611 air-to-air cooling keeps the internal cooling circuit closed, so the air inside the motor remains separated from surrounding dust and aggressive atmospheres. In practice, this increases usability in metallurgy, cement plants, chemical production and operations with a higher concentration of particles. At the same time, IE4 Super Premium efficiency helps limit energy losses during long-term deployment and supports the economics of large drives without unnecessary fluctuations in consumption.
For OEM manufacturers of technological systems, repeatable installation and predictable start-up behaviour are also important. Rotor inertia of 4,6 kg·m² and load inertia of 76,5 kg·m² provide a framework for designing starting, protection and torque reserve. Starting torque reaches 0,9 times the rated torque, breakdown torque 2,9 times the rated torque and starting current 6,9 times the rated current, so this motor can be integrated effectively into drives where start-up conditions and overcurrent protection must be sized precisely.
Design elements that support long service life at 6000 V
A high-voltage electric motor in this class is built on a robust 355 mm frame and insulation class F with temperature rise B, supporting thermal resistance under load. VPI impregnation of the stator winding increases resistance to moisture, dust and vibration, helping the winding maintain stability during long operating cycles. 6317-C3 bearings on both the DE and NDE sides help handle dynamic loading in heavy industrial assemblies. In combination with a 6000 V power supply, it is a solution suitable for drive technology with high demands on availability and maintenance discipline.
Typical applications in heavy industrial operation
Deployment of this two-pole electric motor is suitable wherever power is transferred to large technological systems that require long-term stability and resistance to the surrounding environment. In practice, these applications include:
- Drives for main process fans in the energy sector.
- Compressor stations for industrial gas distribution systems.
- Blowers and extraction units in metallurgical halls.
- Mills in cement and raw-material lines.
- Raw-water pumps in extensive water-supply systems.
- Steel rolling lines with high torque loading.
- Crushers and size-reduction equipment in mining and mineral processing.
- Drum conveyor drives in quarries and mining environments.
- Main mixing units in the chemical industry.
- Drying lines with continuous operation.
- Extraction and filtration systems in pulp production.
- Drives for large agitators in water and sludge processing.
- Technological compression systems in petrochemical plants.
- Backup drive units for critical production nodes.
Benefits for designing new systems and modernising existing lines
When designing new assemblies or replacing older motors, it is important for output, thermal reserve and mechanical durability to be combined in one reliable unit. H27R-HD-Modular provides scope for integration into large cabinets and technological frames, while the package weight of 2400 kg corresponds to the robust equipment class for industrial deployment. Thanks to the combination of efficiency, cooling and durable winding, the designer can reduce the risk of unplanned shutdowns and plan service intervals more effectively.
If you need a high-power drive for demanding operation, order the H27R 3554-2-6 model before the planned line shutdown to minimise the risk of delayed commissioning.
Technical data supporting precise power-supply design
When designing the switchboard, switching and protection, it is essential to work with precise values. Rated torque of 1602 Nm provides sufficient support for large technological units and rated current of 57,2 A helps refine the sizing of conductors, starting components and protection. These parameters are especially important where the motor is connected through long cable routes or to systems with higher requirements for compatibility with plant operating standards.
For engineers dealing with series production or retrofits, consistent behaviour under long-term loading is also important. H27R 3554-2-6 is therefore a practical choice for applications where continuous operation, high utilisation of installed power and easier planning of energy consumption are expected.