Electric motor 0,25 kW, 870 rpm, 400 V, 1AL-71M2-6

Compact electric motor 1AL-71M2-6 for precise mounting and quiet operation

Electric motor 1AL-71M2-6 from VYBO Electric is one of the 6-pole three-phase solutions designed for technologies where smooth movement, compact dimensions and reliable commissioning are important. The frame size of 71 mm helps with installation into smaller machines and equipment, where every millimetre of space is often decisive. The output of 0.25 kW and rated speed of 870 rpm create an operating profile suitable for equipment that does not need a rapid run, but a clean and even transfer of energy. This drive is used, for example, in smaller fans, circulation pumps, packaging mechanisms, dosing equipment, sorting devices, filtration units, conveyor feeds, labelling machines and lighter mixing units.

71 mm frame and easier integration into the machine

With this model, the compact frame plays an important role. The smaller motor is easier to install into enclosed cabinets, auxiliary technology blocks and equipment where it is necessary to keep the overall weight of the machine at a reasonable level. The packaging weight of 6.3 kg makes handling easier during storage, transport and preparation for installation. The packaging dimensions of 260 × 170 × 215 mm simplify logistics in the workshop and when supplying production. The design includes 2-M20X1.5 cable glands, which supports clean and safe power connection without improvised modifications. The half-key balancing is suitable for a standard connection with the mechanical parts of the equipment, where correct fitting of the coupling, pulley or other transmission element is expected.

Mechanical certainty during everyday operation

On both the DE and NDE sides, 6202-2Z bearings are used. This solution contributes to stable rotor guidance and quiet operation under regular load. No. 2 lithium-based grease is suitable for normal industrial conditions, where reliable mechanical running is expected during long-term operation. Vibration of 2.8 mm/s and vibration class A support smooth operation, which is especially important for equipment with more precise mounting, smaller conveyors, packaging modules or assemblies where the motor is followed by more sensitive mechanical parts. Rotation direction is possible in both directions, so the motor is also well suited to designs where the final direction is only resolved during commissioning of the technology.

Electrical connection and control options

The model operates with a rated voltage of 230/400 V and with △/Y connection. Rated current is 1.57 A at 230 V and 0.9 A at 400 V. These values are important when designing the power supply, protection and selecting suitable control elements. The electric motor is suitable for DOL starting, control by frequency converter and operation with a soft starter. In practice, this means broader application possibilities. In simple equipment it can operate with direct starting, while in technologies requiring a gentler start-up or speed regulation it can be integrated into a controlled system. This is advantageous in ventilation, dosing, feed mechanisms, smaller packaging lines and applications where the operation needs to be adapted to a specific production cycle.

Performance behaviour in operation

The output of 0.25 kW in combination with 6 poles and a speed of 870 rpm creates an operating characteristic that supports smoothness and good control over the movement of the technology. The starting torque ratio of 2 helps the equipment overcome initial resistance during start-up without an unnecessarily uncertain run-up. The breakdown torque ratio of 1.9 is important under fluctuating load, when stable operation is required without an unwanted drop. The starting current ratio of 4 also makes the technical design easier when starting. The rotor inertia of 0.0014 kg·m² supports a brisk response from the drive during start-up and during regulation. The motor is designed for a parabolic or linear load curve, so it fits well into assemblies where the resistance of the mechanical system changes according to the operating mode. The power factor of 0.68 and efficiency of 59 % are values that make it possible to plan the operation of smaller industrial units more precisely.

Protection, cooling and operating conditions

The IP55 enclosure protects the motor in environments with dust and normal operating humidity. IC411 cooling supports a stable thermal regime during everyday use. F insulation class and B temperature rise create a suitable basis for long-term operation. The motor is designed for an ambient temperature of up to +65 °C and an altitude of up to 1000 m. The service factor of 1.0 and duty types S1, S2, S3 and S4-S9 allow use in both continuous and intermittent cycles according to the nature of the equipment. Noise level of 52 dB(A) supports a refined operating performance in technologies where the working environment of the operator is also monitored.

The 1AL OPTIMAL series is designed as a professional VYBO Electric platform for wide industrial use, featuring an aluminium frame, a good price-to-quality ratio and an emphasis on quick commissioning. The electric motor 1AL-71M2-6 is therefore a suitable choice wherever a compact size, reliable start-up, IP55 protection and operation that should be dependable from the first start are required.