The GESHI YE3 IE3 Motor ranges from 0.75 to 315kW and is engineered to deliver high-efficiency performance across continuous industrial applications. This three-phase induction motor drives industrial machinery while reducing operational energy consumption and thermal dissipation. Plant engineers and maintenance supervisors utilize this motor to maintain reliable drive systems in heavy-duty processing environments.
What is this product and applications
The GESHI YE3 IE3 Motor 0.75-315kW Premium Efficiency IP55 is a standard three-phase squirrel-cage induction motor designed to convert electrical energy into mechanical rotation with minimized internal losses. It is intended for plant maintenance engineers, original equipment manufacturers, and facility project managers operating in manufacturing, municipal infrastructure, and heavy industrial sectors. When engineers need to upgrade older motor assets to comply with strict facility energy mandates without altering existing mechanical footprints, standard mounting dimensions simplify replacement. Positioned directly within the drive layer of industrial architectures, this motor interfaces with variable frequency drives or direct-line contactors to supply mechanical torque to driven loads.
Typical Applications
Industrial facilities deploy high-efficiency motors across various mechanical arrangements to optimize energy usage and maintain continuous uptime under demanding operational cycles.
Centrifugal pump drives: Municipal water treatment and chemical processing plants utilize this motor to drive centrifugal pumps, maintaining consistent fluid flow rates against varying head pressures. The premium efficiency design minimizes electrical losses during long duty cycles, reducing overall facility power consumption. Industrial ventilation fans: Large-scale HVAC systems and factory exhaust networks rely on these motors to power high-capacity air handling units and draft fans. The stable thermal profile supports continuous S1 duty operation without premature winding degradation. Conveyor and material handling systems: Manufacturing assembly lines and bulk material distribution hubs integrate these motors into gearbox assemblies to drive belt conveyors. Reliable starting torque and robust frame construction withstand frequent load variations and mechanical shock. Compressor and blower operation: Industrial pneumatic systems employ these induction motors to drive rotary screw and reciprocating compressors. The high power factor and optimized rotor design ensure stable mechanical output during fluctuating compressed air demands.
Key Features
IE3 Premium Efficiency Winding Design: Optimized electromagnetic geometry reduces stator and rotor electrical losses, meeting GB18613-2012 Grade-2 efficiency standards. Users gain lower operational electricity costs and reduced motor operating temperatures over extended duty cycles. Cast Iron Frame Construction: Rigid frame H80 to H355 construction provides mechanical stability and dampens operational vibration. Facilities benefit from enhanced structural durability and extended mechanical service life in harsh plant environments. IP55 Environmental Protection: Advanced sealing systems prevent dust ingress and low-pressure water jets from entering internal components. Maintenance teams experience reduced risk of internal winding contamination and improved reliability in damp or dusty areas. Class F Insulation System: High-thermal-capacity insulation materials withstand winding temperature rises beyond standard operating thresholds. Operators achieve greater safety margins during temporary overloads or high ambient temperature conditions. Flexible Mounting Configurations: Supports B3, B5, and B35 mounting arrangements for horizontal or vertical installation requirements. Engineers gain design versatility when integrating the motor into diverse original equipment machinery. Optimized Cooling Fan and Cowl Design: External fan directs cooling airflow efficiently across the frame ribs to dissipate heat rapidly. Users maintain lower thermal stress levels across internal bearings and stator windings during continuous running.
The combined feature set addresses the rigorous demands of continuous-duty industrial machinery, making these induction motors suitable for pumps, fans, compressors, and material handling systems across diverse plant environments.
Understanding the Key Specifications
Rated Power Output: Defines the continuous mechanical power the motor shaft can deliver under specified conditions, measured from 0.75 to 315kW. In practice, selecting the correct kW rating ensures the motor operates near its optimal load point without chronic overheating. Sizing requires matching the motor kW to the peak torque demand of the driven machine while accounting for service factors. Frame Size (H80 - H355): Indicates the physical centerline height and mounting dimensions governing mechanical interchangeability. This value determines the physical fit within machine skids, ensuring shaft height and bolt patterns align with existing couplings. When replacing legacy units, verifying the frame size prevents costly foundation or baseplate modifications. Efficiency Level (IE3 / GB18613-2012 Grade-2): Represents the ratio of mechanical output power to electrical input power under rated load conditions. Higher efficiency values translate directly into reduced electrical utility expenses and lower carbon footprints over the equipment lifecycle. Sizers must evaluate part-load efficiency curves when applications involve variable torque loads. Ingress Protection (IP55): Specifies the degree of protection against solid objects and liquid penetration, where the first digit signifies dust resistance and the second indicates protection against water jets. An IP55 rating ensures reliable operation in dusty or wet industrial zones without internal contamination. Enclosure ratings must match the local environmental hazards to prevent premature insulation failure. Thermal Insulation Class (Class F): Designates the maximum allowable temperature index of the insulation system, allowing a temperature rise up to 105 K above a 40°C ambient baseline. This thermal headroom protects motor windings against degradation during temporary voltage imbalances or heavy loads. Designers must verify ambient room temperatures to ensure the insulation threshold is not exceeded.
Technical Specifications
Rated Power: 0.75 - 315 kW @ 50 Hz / 60 Hz
Frame Size: H80 - H355 @ Standard IEC Dimensions
Mounting Type: B3, B5, B35 @ Horizontal / Vertical Installation
Ingress Protection: IP54 / IP55 @ IEC 60034-5
Insulation Class: Class F @ 40°C Max Ambient
Efficiency Grade: IE3 (GB18613-2012 Grade-2) @ Rated Load
Duty Cycle: S1 Continuous @ Constant Load
Cooling Method: IC411 (TEFC) @ Self-Ventilated
System Integration and Hardware Setup
Integrating the motor into an industrial drive train requires careful alignment between the motor shaft and the driven equipment to prevent premature bearing wear. Use precision laser alignment tools to minimize angular and parallel misalignment before final bolting to the mounting foundation. Connect the main power supply leads to the terminal block in accordance with the wiring diagram inside the terminal box, ensuring proper phase rotation for the desired direction of rotation. Use copper conductors sized appropriately for the full-load amperage rating, and secure all terminal nuts to the recommended torque specifications to prevent high-resistance connections. Install properly shielded power cables when operating the motor via a variable frequency drive to mitigate electromagnetic interference and protect winding insulation from voltage spikes. Connect the external earth grounding terminal directly to the facility grounding grid using a dedicated conductor to ensure personnel safety and eliminate stray electrical currents. Check that the cooling fan cowl has adequate clearance from surrounding walls or equipment structures to maintain unobstructed airflow for thermal dissipation.
Reliability and Environmental Durability
The mechanical and electrical architecture of the motor is designed to withstand continuous operation in demanding industrial environments. The IP55 enclosure rating utilizes tight machining tolerances and durable shaft seals to block ambient dust, airborne particulate matter, and low-pressure water splashes from reaching internal active parts. High-grade cast iron or fabricated steel frames provide high structural rigidity, dampening mechanical vibrations generated during heavy-load transitions. The stator windings undergo vacuum pressure impregnation with advanced resin formulas, locking the copper turns in place and protecting against moisture condensation and chemical vapors. Bearings are selected for high fatigue life and are pre-packed with high-temperature lithium-based grease to extend lubrication intervals under heavy radial loads. Thermal sensors or thermistors can be embedded within the winding overhangs to provide real-time temperature monitoring, allowing control systems to trigger alarms before thermal overload thresholds are reached. Regular visual inspections of the external cooling ribs and shaft seals ensure optimal heat transfer and maintain long-term operational reliability across extended service cycles.
Selection Guidance and Alternative Options
Selecting the correct motor requires evaluating operational voltage, ambient temperature, duty cycle, and load torque characteristics to match application demands. For standard continuous-duty pumps and fans within the 0.75 to 315 kW range, the YE3 series provides high efficiency and robust mechanical compliance. When applications demand alternative frame sizes, higher explosion-proof ratings, or specialized voltage frequencies, system designers can evaluate adjacent series such as high-voltage variants or brake motors. Beijing Zhongping Technology maintains an inventory of industrial automation components and offers expert technical support to assist engineers with cross-referencing legacy part numbers and sourcing matching drive accessories. Local engineering support teams can review application parameters to ensure seamless component integration and minimize procurement lead times for replacement projects.
Frequently Asked Questions (FAQ)
1. What is the current local inventory status and typical delivery lead time for these motors?
Beijing Zhongping Technology maintains regional stock for standard frame sizes, enabling rapid dispatch within 24 to 48 hours for urgent replacement requirements.
2. What warranty coverage and RMA return procedures apply to these units?
All motors are backed by a comprehensive 12-month manufacturing warranty, and Beijing Zhongping Technology provides structured RMA support and pre-shipment quality verification.
3. What are the standard operating voltage and frequency ratings for this motor series?
The motors operate on standard three-phase supplies at 380 V, 400 V, or 415 V at 50 Hz, with custom voltage configurations available upon request.
4. Are these motors compatible with variable frequency drives for speed control?
Yes, the insulation system and winding design accommodate inverter-duty operation, provided output voltage spikes are mitigated with appropriate reactor filters.
5. How does the IP55 rating protect the internal components in dusty environments?
The enclosure design prevents harmful dust accumulation and resists water jets from any direction, safeguarding internal stator windings and bearings.
6. What are the recommended grounding practices during electrical installation?
Connect the main frame grounding lug directly to the facility protective earth network using low-impedance copper conductors to prevent electrical hazards.
7. What routine maintenance checks are required to ensure long-term bearing reliability?
Perform periodic vibration analysis, check terminal connections for tightness, and monitor operating temperatures and bearing lubrication status according to running hours.
8. How should engineers select the correct frame size when replacing an older motor?
Match the shaft centerline height, foot mounting hole dimensions, and flange diameters to ensure direct mechanical compatibility with existing equipment skids.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a global industrial electrical automation service provider, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1) Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3) At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
Building 26, Liyuan Community, Chaoyang District, Beijing, China
