Electric motor 200 kW, 990 rpm, 400 V / 690 V, 4LC-355M3-6 LV

A solution in IE3 class often means higher losses and less space for energy savings, whereas 4LC-355M3-6 delivers 200 kW of power for operation in the 900-1000 rpm speed range, with emphasis on stability, efficiency and long-term load. This IE4 electric motor is based on the in-house research and development of VYBO Electric, while sophisticated windings and advanced materials support reliable operation in production units where every operational detail matters.

Energy-efficient operation at nominal speeds of 900-1000 rpm

At a nominal speed of 990 rpm, the motor achieves an efficiency of 96.3 % and a power factor of 0.86, which helps to reduce operating costs under long-term load. The rated current is 345 A with delta connection 400 V and 200 A with Y connection 690 V, so the motor is also suitable for low-voltage distribution systems with a clearly defined operating reserve. The starting torque ratio Tst/Tn 1.6, the breakdown torque ratio Tmax/Tn 2 and the starting current ratio Ist/In 8 support starting under more demanding mechanical load.

Construction ready for heavy operating conditions

The all-cast-iron design with a centre height of 355 mm is intended for equipment that requires firm mounting, good vibration absorption and resistance to corrosion in aggressive environments. The packing weight of 1643 kg and rotor inertia of 11.8 kg*m² testify to a robust design suitable for drives for both light and heavy industry. The noise level of 85 dB(A) corresponds to the motor’s power class and allows it to be used in technologies that emphasise controlled acoustic output.

Connection, bearings and winding protection for trouble-free integration

The motor is fitted with 2-M63X1.5 cable glands, DE 6322-C3 bearing and NDE 6322-C3 bearing, which makes installation and service coordination easier when replacing the drive. The PTC winding protection accessory increases safety under thermal stress and is an important advantage when used in low-speed industrial applications, where operation is usually stable over long periods and reliability determines the availability of the technology.

Deployment in technologies with continuous load

• Pumps use stable torque during continuous fluid transfer.
• Fans benefit from high efficiency during long-term operation.
• Compressors use a robust design during demanding starts and loads.
• Gear units gain a reliable drive source with an operating reserve.
• Agitators appreciate smooth starting and resistance to vibration.
• Conveyor systems use stability in continuous logistics operations.
• Process lines gain a motor suitable for modernisation with low-voltage infrastructure.

If you need a motor for modernisation or drive replacement, 4LC-355M3-6 represents a solution with high efficiency, a robust design and parameters ready for demanding industrial operation. For precise integration into your process, request a quotation.