Electric motor 132 kW, 740 rpm, 400 V / 690 V, 4LC-355M1-8 LV

For drives where operation in the range of 700-750 rpm is decisive, the 4LC-355M1-8 model with an output of 132 kW offers a solution focused on lower energy losses and long-term cost savings. This low-voltage asynchronous electric motor is suitable for upgrades where reliable power transmission is expected when supplied at 400 V or 690 V and at a rated speed of 740 rpm.

Why IE4 efficiency reduces operating losses

In the IE4 class, the emphasis is on more precise processing of active parts, high-quality materials and optimised magnetic coupling. In practice, this means that 4LC-355M1-8 with an output of 132 kW helps keep energy consumption under control even during long shifts and continuous load. The industrial plant thus gains a motor that supports more efficient operation without unnecessary losses in the system.

Design and electrical parameters for demanding deployment

The IEC frame size: 355 mm provides the basis for robust motor mounting in applications where higher mechanical durability is required. The rated current at delta 400 V reaches 242 A and at star 690 V is 140.3 A, which allows suitable adaptation of the connection according to the distribution system. The starting torque ratio Tst/Tn is 1.6, the breakdown torque ratio Tmax/Tn is 2 and the starting current ratio Ist/In is 7.7, so the drive is designed for controlled starting as well as operation with higher starting demands.

Safety and operating details appreciated by maintenance

The motor has a noise level of 89 dB(A), rotor inertia of 9.1 kg*m² and is fitted with DE 6322-C3 and NDE 6322-C3 bearings, which supports consistent operation in industrial assemblies. It also includes 3 PTC thermistors, which increase temperature monitoring under load. The 2-M63X1.5 cable entries make wiring easier in installations where clear and service-friendly access is important.

Industrial applications of the electric motor

• Pumps in process systems benefit from stable speeds during long-term liquid transfer.
• Fans in HVAC systems use a balanced ratio of output and speed.
• Compressors gain a drive suitable for continuous industrial operation.
• Gearboxes in heavy manufacturing lines operate with a favourable starting torque.
• Mixers and agitators handle long-term load in material processing.
• Conveyors ensure smooth material transfer in production units.
• Crushers support demanding technological sections with increased dynamic requirements.
• Grinding equipment uses stable output in a continuous duty cycle.
• Pressing technologies benefit from a robust frame and reliable electrical enclosure of the drive.
• Extruders operate with a motor suitable for precise and long-term stable operation.
• Combustion and auxiliary process units gain a reliable drive source for industrial deployment.

The 4LC-355M1-8 model from VYBO Electric is suitable for manufacturing plants, technology suppliers and operations that require a robust and energy-efficient industrial motor with an emphasis on long service life. Package weight of 1523 kg, package dimensions of 1660*840*1160 mm and precisely designed component placement make logistics and installation preparation easier. If you need a drive for an upgrade or a replacement for an existing solution, send us a non-binding enquiry and we will prepare a recommendation for your application.