Industrial Standard Motor
Panbu ElectricWE5 Series Low-Voltage Three-Phase Induction Motors
The WE5 Series is Wolong's flagship low-voltage three-phase asynchronous motor designed for demanding industrial environments. Frame sizes range from 90 to 450, with rated power from 1.1 to 560 kW, rated voltage of 380V/660V/690V/1140V, and rated frequency of 50Hz/60Hz. Built with high-grade silicon steel, low-loss windings, and an optimized magnetic circuit, the motor achieves IE5 efficiency and maintains high performance even at partial load. Standard features include temperature sensors for windings and bearings; an optional smart monitoring module enables real-time collection of temperature, vibration, and other condition data for seamless integration into asset management systems. With protection ratings up to IP56, the WE5 Series excels in dusty, humid, outdoor, and heavy-duty continuous operation environments.
Technical Specifications
- Housing Number90~450
- Rated Power1.1~560 kW
- Rated Voltage380V/660V/690V/1140V
- Rated Frequency50Hz/60Hz
- Jisu2/4/6/8 Extreme
- Energy Efficiency RatingIE5
- Ingress Protection RatingIP56 (Optional IP65)
- Insulation ClassF class, temperature rise evaluated according to B class.
- Cooling MethodIC411 Totally Enclosed Fan-Cooled (Optional: IC416 Independent Forced Ventilation)
- Installation MethodB3, B5, B35, B14, etc.
- Work scheduleS1 Continuous Duty
- Monitoring ConfigurationStandard winding/bearing temperature sensing interfaces; optional smart monitoring module
Key Advantages
Top-tier efficiency: IE5 class with minimal efficiency loss at partial load and lower total cost of ownership over the product lifecycle.
Smart Monitoring: Includes interfaces for temperature and vibration monitoring, enabling predictive maintenance via device operations platforms.
Heavy-duty design: Reinforced base and bearing system for shock loads and long-term continuous operation
High Protection Rating: IP56 with robust structure and multi-layer sealing for dusty, humid, and outdoor environments.
Inverter Compatibility: Optional independent forced air cooling; supports low-frequency, long-duration operation without overheating.
Customization: Voltage, mounting configuration, shaft extension, and coating options tailored to your operating conditions.
Use Cases
Mining Crushing and Conveying Systems
Metallurgical Rolling and Fan Equipment
Petrochemical Process Pumps and Compressors
Power Industry Induced Draft Fan and Circulating Water Pump
Port Cranes and Conveying Machinery
Large-scale Water Treatment and Municipal Pump Stations
WE5 Series Low-Voltage Three-Phase Induction Motor Selection Parameters (Representative Models)
← Swipe left or right to view full parameters; first column is fixed
| Model | Housing Size | Power (kW) | JiShu | Speed (r/min) | Voltage (V) | Current (A) | Efficiency (%) | Power Factor | Ingress Protection Rating | Energy Efficiency Rating |
|---|---|---|---|---|---|---|---|---|---|---|
| WE5-90S-4 | 90 | 1.1 | 4 | 1420 | 380 | 2.52 | 86.4 | 0.79 | IP6 | IE5 |
| WE5-112M-4 | 112 | 4 | 4 | 1440 | 380 | 8.55 | 88.6 | 0.82 | IP6 | IE5 |
| WE5-160M-4 | 160 | 11 | 4 | 1462 | 380 | 22 | 91.4 | 0.84 | IP6 | IE5 |
| WE5-200L-4 | 200 | 30 | 4 | 1476 | 380 | 54.1 | 94.6 | 0.87 | IP6 | IE5 |
| WE5-250M-4 | 250 | 55 | 4 | 1483 | 380 | 97.8 | 95.6 | 0.88 | IP6 | IE5 |
| WE5-315M-4 | 315 | 132 | 4 | 1489 | 380 | 233 | 96.2 | 0.89 | IP6 | IE5 |
| WE5-355L2-4 | 355 | 315 | 4 | 1492 | 660 | 323 | 96.8 | 0.9 | IP6 | IE5 |
| WE5-400L2-4 | 400 | 450 | 4 | 1494 | 660 | 460 | 97 | 0.9 | IP6 | IE5 |
| WE5-450-4 | 450 | 560 | 4 | 1495 | 690 | 566 | 97.1 | 0.9 | IP6 | IE5 |
| WE5-315L1-6 | 315 | 90 | 6 | 993 | 380 | 166 | 95.8 | 0.87 | IP6 | IE5 |
| WE5-400-6 | 400 | 250 | 6 | 995 | 660 | 262 | 96.5 | 0.88 | IP6 | IE5 |
| WE5-450-8 | 450 | 315 | 8 | 743 | 690 | 349 | 96 | 0.85 | IP6 | IE5 |
Download
WE5 Series Low-Voltage Three-Phase Induction MotorsProduct Catalog (PDF) – Download for full technical specs, installation dimensions, and selection tables.
WE5 Series Low-Voltage Three-Phase Induction MotorsProduct Catalog
PDF Document · Free Public Download
Industrial standard motors
WE3 Series Low-Voltage Three-Phase Induction Motors
The Wolong WE3 series high-efficiency low-voltage three-phase asynchronous motor, frame sizes 63 to 355, power ratings from 0.12 to 315 kW, with energy efficiency levels covering IE3/IE4. Compact design and stable operation, suitable for general industrial loads such as fans, pumps, and compressors.
WE4 Series Low-Voltage Three-Phase Induction Motors
The Wolong WE4 Series, the next generation of high-efficiency low-voltage three-phase asynchronous motors, features frame sizes 80 to 400, power ratings from 0.55 to 400 kW, and energy efficiency up to IE4/IE5. Built with high-grade silicon steel and an optimized cooling design, it is ideal for industrial applications requiring high energy efficiency and reliability.
WEBP Series Variable Frequency Drive Three-Phase Asynchronous Motors
Wolong WEBP Series Variable Frequency Drive Three-Phase Induction Motors, frame sizes H80~H355, power ratings 0.18~375kW, 2/4/6/8/10 poles, with independent forced-air cooling (IC416). Energy efficiency covers IE2~IE5 (WEBP2/WEBP3/WEBP4/WEBP5 sub-series), offering a wide speed range, low temperature rise, and reliable operation. Ideal for constant torque and constant power VFD applications.
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Cases are automatically linked by product series and application industry, allowing you to view retrofit details and performance data for similar operating conditions.
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