Electric motor 18,5 kW, 1480 rpm, 400 V / 690 V, 4LC-180M-4 LV

Model 4LC-180M-4 with an output of 18.5 kW is designed for operation in the speed class 1400-1500 rpm, where stability, efficiency and long-term economy are decisive. In practice, this means lower operating costs for pumps, fans, compressors and larger technological units that run for long hours without interruption. This low-voltage asynchronous electric motor is designed so that, when correctly sized, it reduces energy losses and keeps operation under control even in 400 V and 690 V networks.

IE4 efficiency helps reduce costs during long running periods

Compared with standard drives, energy-saving industrial motors of IE4 class bring an advantage especially where continuous operation matters. Their design combines advanced materials, sophisticated windings and optimised air gaps, which results in a higher efficiency of 94.2% and a power factor of 0.85. For the operator, this means lower heat losses, better use of the supplied energy and a noticeably more favourable ratio between power drawn and mechanical output delivered.

The motor has a rated current of 33 A when connected in delta at 400 V and 19.13 A when connected in star at 690 V, so it can be adjusted more precisely to the specific power supply system. The starting current with an Ist/In ratio of 9.5 requires correctly designed starting, but at the same time provides a reserve for starting the load. The starting torque with a Tst/Tn ratio of 2 and the pull-out torque with a Tmax/Tn ratio of 2.3 show that this is a 4-pole electric motor suitable for applications where a sensitive yet reliable mechanical response is expected.

The construction supports reliable operation in industry

Industrial use is supported by a frame size of 180 mm, a packed weight of 182 kg and the weight of the unit itself, which helps stability during installation and during vibration transmission. The rotor inertia of 0.2 kg*m² is important when designing control systems and when assessing starting conditions in the technology. DE 6311-C3 and NDE 6311-C3 bearings are selected for long-term load and for environments where more precise rotor mounting is expected.

The noise level of 76 dB(A) corresponds to a robust industrial motor intended for technologies with their own acoustic background. Accessories in the form of 3 PTC thermistors increase safety when monitoring winding temperature and help protect the drive against overheating. 2-M40X1.5 cable glands make practical cable routing easier and simplify installation in switchboards or on machines with limited space.

Application in pumps, fans and compressors

• Pumps benefit from stable operation during continuous fluid transfer.
• Fans benefit from a balanced ratio of power and speed in air handling systems.
• Compressors appreciate robust starting and sufficient torque reserve.
• Conveyor lines support smooth drives in heavier industrial operation.
• Mixers gain reliable torque under long-term load.
• Pressing equipment uses stable power supply under cyclic load.
• Ventilation units operate efficiently in low-voltage infrastructure.
• Technological units reduce the energy intensity of operation thanks to IE4 efficiency.
• Industrial blowers need a precisely sized motor for long running periods.
• Heavy machinery benefits from a solid construction and proven bearing arrangement.

Operation at plant level as well as within a technological unit

In integrated operations, this motor proves its worth where not only immediate output is monitored, but also the overall balance of energy consumption and service interventions. Thanks to the parameters 18.5 kW, 1480 rpm, 400 V / 690 V and the 4LC-180M-4 design, it is well suited to systems that require a reliable constant drive without unnecessary compromises. The proven manufacturer and distributor VYBO Electric complements the technical solution with a professional range focused on premium materials and in-house development, so when choosing this motor you get a unit ready for long-term industrial use; if you need documentation for a specific application, send us an enquiry.