Three-phase electric motor: 3LC-315L1-4, 160 kW
| Basic technical data | |
| Motor type | 3LC-315L1-4 |
| Rated power (kW) | 160 |
| Frame size (mm) | 315 |
| Number of poles | 4 |
| Rated speed (rpm) | 1485 |
| Frequency (Hz) | 50 |
| Electrical parameters | |
| Rated voltage (V) | 400/690 |
| Connection | △/Y |
| Rated current 400 V (A) | 271 |
| Rated current 690 V (A) | 157,10 |
| Efficiency at 100% load (%) | 95,8 |
| Efficiency class | IE3 |
| Power factor at 100% load | 0,89 |
| Starting and torque characteristics | |
| Locked-rotor torque ratio (LRT/RLT) | 2 |
| Breakdown torque ratio (BDT/RLT) | 2,2 |
| Locked-rotor current ratio (LRA/RLA) | 7,1 |
| Rotor moment of inertia (kg·m²) | 4,605 |
| Applicable standards | |
| Specification | IEC60034-1 |
| Testing | IEC60034-2 |
| Noise | IEC60034-9 |
| Vibration | IEC60034-14 |
| Construction and operating data | |
| Mounting arrangement | IM B3, B5, B35, V1 |
| Duty type | S1 (S2, S3, S4 – S9 optional) |
| Load type | Parabolic or linear curve |
| Degree of protection | IP55 |
| Insulation class | F |
| Temperature rise class | B |
| Cooling method | IC411 |
| Starting method | DOL, VFD, soft starter |
| Direction of rotation | Both |
| Vibration (mm/s) | 2.8 |
| Cable glands | 2-M63X1.5 |
| Operating conditions | |
| Ambient temperature range | -20 to +40°C (-30, +50, +60 optionally) |
| Maximum installation altitude | up to 1000m |
| Packaging and dimensions | |
| Packaging dimensions (mm) | 1412*727*1026 |
| Package weight (kg) | 1088 |
| Bearings and lubrication | |
| DE/NDE bearings | 6319-C3/6319-C3 |
| Lubricant | Lithium-based grease No. 2 (temperature class) |
| Accessories | |
| 3 x PTC thermistor | |
A robust cast-iron frame gives this 1500 rpm electric motor a solid foundation for long-term operation in multi-shift factories, where vibration, heat and frequent starting are expected. The 3LC-315L1-4 model combines efficiency and value appreciated by medium-sized businesses and operators of large production units when designing a new drive or replacing an existing machine.
1500 rpm electric motor for stable operation of production lines
A rated speed of 1485 rpm is well suited to applications requiring smooth power transmission without unnecessary fluctuations. A three-phase electric motor in this design supports reliable starting of conveyors, agitators and technological units operating continuously. In practice, this means fewer maintenance interventions and better predictability when planning shutdowns.
Under prolonged load, a power factor of 0.89 also helps by contributing to more sensible use of supplied energy. An IE3 electric motor therefore pays off wherever operating costs are monitored on a monthly basis and every point of efficiency affects the balance of the entire line. At the same time, this 1500 rpm electric motor maintains stable performance even under more demanding operating conditions.
Robust cast-iron frame for operation with vibration and impact loads
The cast-iron frame together with reinforced bearing shields and rigid feet helps the motor withstand installation and operating forces common in metallurgical, processing and packaging lines. From a design perspective, the robust body helps damp the transmission of vibration into the machine mounting and reduces the risk of misalignment during long-term operation. This is a practical benefit especially in large factories where machines are started repeatedly throughout the shift.
In operations with higher mechanical stress, DE bearing 6319-C3 and NDE bearing 6319-C3 also prove effective. This arrangement helps keep operation within acceptable tolerances even under higher shaft loads and reduces the risk of premature wear. Combined with rotor inertia of 4.605 kg/m², the operator gains a motor suitable for technologies where smooth acceleration and stable running without unwanted slip are important.
IE3 efficiency class reduces pressure on operating costs
IE3 efficiency class provides super high efficiency that is particularly evident in motors running for long hours every day. With a power output of 160 kW and efficiency of 95.8%, this solution can reduce energy demand over the long term without requiring changes to the machine’s operating rhythm. Engineers also benefit from the fact that the motor remains suitable for a wide range of applications and integrates well into drive-modernisation projects.
A rated current of 271 A at △ 400 V and 157.1 A at Y 690 V provides sufficient flexibility for switchgear design and sizing of protective devices. A starting torque ratio of 2, breakdown torque ratio of 2.2 and starting current ratio of 7.1 assist in assessing starts under load, which is essential for designers working with conveyors, pumps, compressor assemblies and mills. Cable glands 2-M63X1.5 simplify connection in space-constrained installations.
Proven in thousands of industrial installations
Everyday practice in plants confirms that three-phase electric motors in this class are used in thousands of industrial installations. They drive belt conveyors, belt feeders for bulk materials, centrifugal cooling-water pumps, fan units, screw compressors, process-media mixers and granulation lines. This breadth of use shows that the motor can be incorporated into new projects as well as replacements for existing drives without complicated adaptation.
A noise level of 88 dB(A) is a value that can be accommodated when designing the machine room and enclosure. Package dimensions of 1412*727*1026 mm and a packaged weight of 1088 kg are important for logistics, positioning and preparation of handling equipment. If you need a motor for demanding production technology, order it in good time to shorten downtime and keep the production schedule on track.
