Three-phase electric motor: H17RL-355X3-8 315KW 400V/690V 50HZ
| Basic technical data | |
| Motor type | H17RL 355X3-8 |
| Rated power (kW) | 315 |
| Frame size (mm) | 355 |
| Number of poles | 8 |
| Rated speed (rpm) | 740 |
| Frequency (Hz) | 50 |
| Electrical parameters | |
| Rated voltage (V) | 400/690 |
| Connection | D/Y |
| Rated current 400 V (A) | 599 |
| Rated current 690 V (A) | 347 |
| Efficiency at 100% load (%) | 95,2 |
| Power factor at 100% load | 0,80 |
| Starting and torque characteristics | |
| Rated torque (Nm) | 4065 |
| Locked-rotor torque ratio (LRT/RLT) in % | 120 |
| Breakdown torque ratio (BDT/RLT) in % | 200 |
| Locked-rotor current ratio (LRA/RLA) in % | 650 |
| External starting inertia (kg·m²) | 415 |
| Moment of inertia GD² (kg·m²) | 40,6 |
| 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 or soft starter |
| Direction of rotation | Both |
| Vibration (mm/s) | 2.8 |
| Rotor cage | massive aluminium squirrel cage |
| Terminal box type | VYBO CB2-LV |
| 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 | 2970 kg |
| Colour | RAL7030 |
| Paint finish | gloss |
| Bearings and lubrication | |
| DE/NDE bearings | 6322C3/6222C3 |
| Lubricant | Lithium-based grease No. 2 (temperature class) |
| Accessories | |
| 6 x PT100 in windings | |
| 1 x PT100 in NDE bearing | |
| 1 x PT100 in DE bearing | |
| Space Heater 230V | |
| 3 x PTC in windings | |
H17RL 355X3-8 is designed for operations that need compact output without unnecessary machine-room space requirements. This 8-pole electric motor with an output of 315 kW and a 355 mm frame provides stable operation for large technological systems where continuity, durability and precise integration into an existing drive are decisive. VYBO Electric supplies it as a solution for demanding industrial applications that require a reliable electric motor under long-term load.
Robust cast-iron construction for continuous operation
The cast-iron design increases mechanical resistance and helps maintain assembly stability even under vibration, shock loading and long duty cycles. This design is particularly appreciated by production-line operators who need to minimise downtime while maintaining precise mounting geometry in the machine.
- machine gear drives in metallurgical lines
- crushing units in stone-processing operations
- mills in cement plants
- compressor stations in large plants
- pump units for process water
Compact output in a 355 mm frame for large systems
Thanks to the ratio of output to frame size, the motor is suitable where assembly space is limited but high torque is still required. This approach simplifies the design of OEM assemblies, modular lines and replacements when modernising older drives where the original installation dimensions must be retained.
- extruders in plastics production
- mixing equipment in the chemical industry
- ventilation units for industrial halls
- belt conveyors with high inertia
- units for paper-machine winders
Choice of frequency for 50 and 60 Hz operation
For international projects, it is advantageous that this low-voltage electric motor can be incorporated into assemblies with different operating standards. This simplifies export applications, replacement solutions and integration into technologies manufactured for multiple markets at the same time.
- turbo-compressor assemblies
- mixers in food-processing technologies
- centrifugal separators
- heavy winding systems
- mining-conveyor drives
Energy efficiency and operating reliability
Efficiency of 95,2 % supports energy-efficient operation under continuous load, which is important in plants with high hourly utilisation. At rated torque of 4065 Nm and rated speed of 740 rpm, the motor maintains stable engagement even in modes where the load fluctuates over long periods.
- fan stations for cooling circuits
- rotary kilns in material processing
- hydraulic power units for large presses
- briquetting presses
- cement-plant flue-gas fans
Bearing and winding monitoring for planned maintenance
Available accessories allow more precise monitoring of thermal conditions in the winding and bearing nodes. This helps service teams plan interventions according to actual condition and reduce unplanned downtime. The VYBO Electric solution therefore fits operations that manage maintenance based on data.
- PT100 in the winding
- PT100 in the NDE bearing
- PT100 in the DE bearing
- anti-condensation heater
- PTC thermistor
For OEM manufacturers and large factories alike, this low-voltage electric motor is prepared as a robust drive platform with an emphasis on service life, service monitoring and easy integration into technological systems. Take advantage of the offer and choose a motor that helps keep production running at a stable pace.