30HP Motor
What is a 30HP Motor?
This 30HP (22kW) three-phase asynchronous industrial motor is a high-power drive unit specifically engineered for medium-to-heavy-duty applications involving high loads and continuous shock loads. Built in strict accordance with the IEC 60034 international standard, the motor features Class F insulation, a rigid all-cast-iron frame, and a Totally Enclosed Fan-Cooled (TEFC) structure. It is available in IE2 (high efficiency) and IE3 (premium efficiency) versions and is fully compatible with both 50Hz and 60Hz global power grids. Compared to lower-power models (15kW/18.5kW), this 22kW unit excels in delivering constant torque, withstanding heavy shock loads, maintaining stability during prolonged full-load operation, and adapting to harsh environments; it effectively resolves common industrial issues associated with lower-power motors, such as sluggish performance under heavy loads, frequent tripping due to overloads, and performance degradation caused by sustained high temperatures.
- Delivering constant torque output without power drop-off under heavy loads.
Designed to handle the significant load fluctuations and high-impact forces characteristic of equipment such as crushers, large-scale mixers, and heavy-duty conveyors, this 30HP motor features an optimized stator-rotor magnetic circuit and winding configuration. This ensures stable, constant torque output across the entire speed range. Unlike lower-power motors that suffer from power loss, speed drops, or stalling under heavy loads, this motor maintains steady torque without degradation-even under full load, short-term overload, or frequent shock loading. It ensures continuous operation of heavy-duty machinery and eliminates downtime or trips caused by load fluctuations, making it the ideal power solution for demanding heavy-industry applications involving high-impact loads.
- Available in dual energy-efficiency versions; compliant with global standards.
To accommodate varying energy regulations and customer budgets worldwide, this model offers customized versions with IE2 (high efficiency) and IE3 (premium efficiency) ratings. The IE2 version offers excellent cost-performance, making it ideal for general industrial applications in regions such as Southeast Asia, the Middle East, and Africa, while meeting standard production energy requirements. The IE3 premium efficiency version complies with stringent energy-saving standards in Europe, the Americas, and Australia, facilitating market entry through local certifications and suiting factory energy-efficiency upgrades and low-carbon production scenarios. The entire series features low energy loss and stable efficiency, ensuring no drastic drop in performance during long-term operation and delivering substantial energy-saving benefits over the product's lifecycle.
- Robust electrical design for stable operation in complex grid environments.
To address challenges such as significant grid impact during high-power motor startup, noticeable plant-wide voltage fluctuations, and grid instability in remote areas, the electrical control logic and winding parameters have been specially optimized. The system offers exceptional tolerance to voltage fluctuations of ±10% and features an optimized starting current profile to minimize grid impact during connection.
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Model |
30HP motor |
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Frame |
180 |
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Power |
30 Horse power 22KW |
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Speed |
3000rpm, 1500rpm, 1000rpm |
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Voltage |
380/400V, 400/690V or customization |
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Frequency |
50HZ/60HZ |
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Efficiency |
IE1, IE2, IE3, IE4 |
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Motor shaft diameter |
Φ48 |
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Cooling |
Fan |
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Protection |
IP44/IP54/IP55 |
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Housing |
Aluminum/Cast Iron |
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Ambient temperature |
-15℃≤0℃≤40℃ |
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Altitude |
No exceeding 1000 meters |
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Duty |
S1 |
Installation position
Q: How should one select between IE2 and IE3 30HP motors?
A: The IE3 ultra-high-efficiency version complies with mandatory energy-efficiency standards in developed regions such as the EU, the US, and Australia, allowing for direct local market access and certification. The IE2 high-efficiency version offers superior cost-effectiveness; it is suitable for regions with more lenient energy standards-such as Southeast Asia, the Middle East, and Africa-while meeting general industrial production requirements. Both versions share identical specifications and structural designs, differing only in energy loss characteristics, allowing customers to make flexible choices based on the destination market's regulations and their own budgets.
Q: Can a high-power 30HP motor be used normally in high-altitude areas?
A: Standard models are designed for typical operating conditions at altitudes of 1,000 meters or below. In high-altitude regions exceeding 1,000 meters, the thinner air reduces the motor's heat dissipation efficiency, making standard models prone to issues such as excessive temperature rise and thermal protection trips.
Q: How can a 30HP cast-iron motor be properly maintained on a daily basis to extend its service life?
A: This 30HP heavy-duty motor features a low-maintenance design, making routine upkeep simple and efficient. Regularly clean dust from the cooling fins and fan to prevent airflow blockages that could lead to excessive temperature rise. Inspect bearing lubrication every 6–12 months and replenish grease promptly for heavy-duty applications. Periodically tighten terminal connections and mounting screws to prevent loosening caused by vibration. In humid or salt-spray environments, regularly check winding insulation to prevent moisture-related leakage. Proper, straightforward maintenance can effectively avoid over 90% of common faults, significantly extending the motor's service life and ensuring stable, long-term operation under heavy loads.
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