Electric motor 630 kW, 742 rpm, 400/690 V, H17RL 450X3-8

700 rpm electric motor for driving large production systems

In demanding production lines, pumping stations and process units, what matters most is how the motor transfers power into operation without unnecessary downtime. H17RL 450X3-8 from VYBO Electric is designed precisely for such use, where a 700 rpm electric motor is expected to provide high power density, smooth starting and stable operation during long duty cycles.

The drive characteristics also play an important role in this solution. As an asynchronous electric motor, it performs well in assemblies requiring robust operation, straightforward integration into existing technology and reliable response to load without complicated service intervention.

Compact output in an industrial-size frame

The main benefit is compact output, which allows high power to be accommodated in a frame that remains practical even where installation space is limited. The 450 mm frame size gives manufacturers of technological systems room to design machinery with a smaller footprint without compromising operating load capability.

This is precisely why this electric motor is suitable for assemblies where every centimetre of the frame matters while 630 kW still has to be transferred into operation. A rated speed of 742 rpm supports applications that require low speed with stable torque and precise operation under load.

Power density that helps technology design

In OEM projects, not only output itself matters, but also how the motor behaves within the complete drive system. Rated torque of 8108 Nm and a starting torque ratio of 120 % provide reserve capacity when starting conveyors, mixers or compressor assemblies. From a drive-engineering perspective, it is also important that efficiency of 95,8 % helps limit thermal losses during longer operation.

A power factor of 0,81 supports appropriate power-supply design in industrial networks and simplifies coordination with converters, switchboards and starting systems. In practice, this is particularly appreciated by operators of large factories that need predictable drive behaviour during repeated starts and long operating intervals.

Robust cast-iron construction for long service life

Robust cast-iron construction provides high mechanical resistance and stability when mounted on large technological frames. In environments with vibration, dust and temperature changes, such a foundation is important because it helps maintain mounting accuracy and reduces stress on components over years of operation.

Combined with insulation class F and temperature rise B, the motor is prepared for continuous load in segments where long service life and a sensible maintenance strategy are expected from the equipment. VYBO Electric documentation and manufacturing processes are maintained under a regime corresponding to ISO certificates, which is an important fact for purchasers and technical departments when approving components for engineering projects.

Bearings and rotor for stable operation under load

A rotor cage made from copper strip helps during demanding starts and repeated loading where robust operating reserve is required. 6328C3 bearings on both the DE and NDE sides support reliable shaft seating and help the motor maintain smooth operation even under long-term load.

Choice of voltage for different industrial networks

The option to choose the voltage is particularly practical in operations that use multiple mains standards or integrate technology into export projects. Available variants of 440 V, 500 V, 690 V and 720 V simplify deployment in different manufacturing segments without unnecessary modifications to the power-supply architecture.

Rated current of 1176 A at △ 400V and 681 A at Y 690V gives engineers important input for designing protection devices, the switchboard and cable routes. In large factories, this means more precise sizing and better coordination with other parts of the drive system.

Starting parameters for heavy starts

For machines with high inertia, behaviour during starting is decisive. A starting current ratio of 650 % together with external starting inertia of 827,000 kg·m² and moment of inertia GD² 92,000 kg·m² provide data that designers can use to accurately match the requirements of the technology.

In practice, this is particularly valuable in heavy-start applications where the motor must reach operating mode without excessive stress on the entire system. Breakdown torque of 200 % supports dynamic reserve during transient conditions and helps in operations with changing loads.

Applications where output translates into reliable operation

H17RL Compact PRO is suitable for the following industrial applications:

• Main drive for a belt conveyor in a cement plant.
• Pump unit for process water in a chemical plant.
• Ventilation unit for high air volumes in metallurgy.
• Rotary crusher in the stone-processing and mining sector.
• Agitator for processing sludge and industrial suspensions.
• Compressor assembly for producing compressed air in shift operation.
• Rolling drive in a metallurgical line.
• Extruder for plastic granules in continuous production.
• Agitator in a food-processing process under continuous load.
• Drive motor for a large drum dryer in raw-material processing.
• Centrifugal pump for a power-generation unit and technical media.
• Technological drive for a paper winding unit.

If you need a motor for a large technological system, contact us and we will prepare a solution for your operation.