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Y2 Series Compact Structure High voltage Three Phase Asynchronous Motor

Y2 Series Compact Structure High voltage Three Phase Asynchronous Motor with compact high strength cast iron structure, have the characteristics of high power density, less space occupation, high mechanical stability, low noise, little vibration, long service life and beautiful appearance.

  • Y2H

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Product Overview


The Y2 Series Compact Structure High Voltage Three Phase Asynchronous Motor is a high-performance industrial motor designed and manufactured by Copartner Technology Co., Ltd.—a China-based manufacturer with over 20 years of expertise in motor production. Founded in 2003, Copartner operates a 30,000 sq factory, employs a team of 150+ professionals, and boasts 13 senior engineers with more than 20 years of hands-on experience in motor 研发 (R&D) and manufacturing. This strong technical foundation ensures the Y2 Series motor meets strict industrial standards and delivers reliable performance for global customers.


As a core product in Copartner’s electric motor lineup, the Y2 Series stands out for its compact high-strength cast iron structure, which balances high power density with space efficiency—making it ideal for industrial environments where installation space is limited. Unlike traditional high-voltage motors that often require large footprints, this series minimizes space occupation while maintaining excellent mechanical stability, low noise, and reduced vibration. It is engineered to support long-term continuous operation, with a durable design that extends service life and lowers maintenance costs. Key specifications, including 6KV/10KV rated voltage (with custom 3KV options available) and 50Hz rated frequency, align with global industrial power standards, making it a versatile choice for international markets.


Product Features


Structural & Material Advantages

At the heart of the Y2 Series is its high-strength cast iron structure, which provides exceptional mechanical rigidity to withstand heavy industrial loads and harsh operating conditions. The compact design not only saves valuable floor space in factories and facilities but also enhances the motor’s overall stability—reducing vibration during operation to minimize wear on internal components. This structural advantage directly contributes to the motor’s long service life (up to 10+ years under normal maintenance) and consistent performance. Additionally, the motor features a sleek, corrosion-resistant exterior finish that improves aesthetics and protects against environmental factors like dust and moisture, further extending its durability.


Insulation & Winding Protection

The Y2 Series incorporates a premium insulation system to ensure safe and efficient operation under high-voltage conditions. It uses a Class F insulation system (rated for higher temperatures) but is optimized for use in Class B temperature environments—a design choice that adds a safety margin and prevents overheating. The stator, a critical component of the motor, undergoes two key processes: vacuum pressure impregnation (VPI) and anti-corona treatment. The VPI process enhances insulation integrity by eliminating air gaps in the stator windings, while the anti-corona treatment reduces electrical stress, preventing insulation breakdown in high-voltage scenarios.

To further protect the windings, every Y2 Series motor is equipped with 8 PT100 resistance thermometers (for real-time temperature monitoring) and a 220V anti-condensation heater—both housed in a separate terminal box for easy wiring and maintenance. These features prevent moisture buildup and overheating, two common causes of motor failure in high-voltage applications.


Installation & Environmental Adaptability

Flexibility in installation and adaptability to diverse environments are key strengths of the Y2 Series. It comes standard with IMB3 horizontal installation—the most common industrial setup— but can be customized to other installation types (e.g., vertical, flange-mounted) based on customer requirements. The motor’s protection level is rated IP54 or IP55, meaning it is dust-tight and protected against splashing water—suitable for both indoor and semi-outdoor industrial settings.

For cooling, the Y2 Series uses the IC411 cooling mode (self-ventilated, forced air circulation), which efficiently dissipates heat during high-load operation to maintain optimal performance. It operates at a rated frequency of 50Hz (with an allowable deviation of ±1%) and supports rated voltages of 6KV, 10KV, or 3KV (customized per customer needs), with a voltage deviation tolerance of ±5%. The motor adapts to ambient air temperatures ranging from -15℃ to 40℃; for models with sliding bearings, the recommended ambient temperature range is 5℃ to 40℃—ensuring reliable operation in cold and moderate climates.


Applications


Heavy Industry & Manufacturing

The Y2 Series High Voltage Three Phase Asynchronous Motor is widely used in heavy industry, including steel production, cement manufacturing, and chemical processing. Its high power density and mechanical stability make it suitable for driving large equipment such as rotary kilns, crushers, and centrifugal compressors—machinery that requires consistent torque and long operating hours. The IP54/IP55 protection level also resists dust and chemical fumes, ensuring durability in harsh manufacturing environments.


Power Generation & Transmission

In power plants (thermal, hydro, or wind), the Y2 Series serves as a critical component for driving water pumps, fans, and conveyor systems. Its 6KV/10KV rated voltage matches the high-voltage infrastructure of power generation facilities, eliminating the need for additional voltage transformers. The Class F insulation system and PT100 thermometers ensure safe operation even in high-temperature power plant environments, while the IC411 cooling mode prevents overheating during continuous use.


Infrastructure & Construction

For large-scale infrastructure projects—such as water treatment plants, wastewater facilities, and HVAC systems in commercial buildings—the Y2 Series provides reliable power for pumps and ventilation equipment. Its compact structure saves space in crowded mechanical rooms, and the 220V anti-condensation heater prevents moisture damage in humid environments (e.g., water treatment plants). The motor’s ability to handle voltage deviations of ±5% also makes it suitable for areas with unstable power supplies.


Marine & Special Environments

Customized versions of the Y2 Series (with enhanced corrosion resistance) are used in marine applications, such as driving pumps and auxiliary equipment on ships. The high-strength cast iron structure withstands the vibration of marine vessels, while the IP55 protection level resists saltwater splashes. Additionally, the motor’s temperature adaptability (-15℃ to 40℃) makes it suitable for cold storage facilities and outdoor industrial sites in temperate regions.


FAQ


What makes the Y2 Series motor unique compared to other high-voltage three-phase asynchronous motors?

The Y2 Series stands out for its compact high-strength cast iron structure, which combines high power density with space efficiency—critical for industrial settings with limited installation space. Unlike competitors, it uses a Class F insulation system (operated at Class B temperatures) for added safety, paired with vacuum pressure impregnation (VPI) and anti-corona treatment for superior winding protection. Additionally, every unit includes 8 PT100 thermometers and a 220V anti-condensation heater—features that reduce maintenance costs and extend service life. Backed by Copartner’s 13 engineers with 20+ years of experience, the motor also offers flexible customization (e.g., voltage, installation type) to meet specific customer needs.


Can the Y2 Series motor be customized for non-standard voltages or installation methods?

Yes, Copartner offers extensive customization for the Y2 Series. While the standard rated voltages are 6KV and 10KV, the motor can be manufactured to support 3KV or other non-standard voltages based on customer requirements. For installation, the standard option is IMB3 horizontal mounting, but vertical (IMV1), flange-mounted (IMB5), or other configurations are available upon request. Customization also includes enhanced corrosion resistance for marine or chemical environments, ensuring the motor aligns with unique application needs.


What protection measures are included to prevent winding damage in the Y2 Series motor?

The Y2 Series prioritizes winding protection through multiple layers of design. First, the stator uses a Class F insulation system (rated for 155℃) but is operated at Class B temperatures (130℃) to reduce thermal stress. Second, the stator undergoes vacuum pressure impregnation (VPI) to seal winding gaps and prevent moisture intrusion, plus anti-corona treatment to mitigate electrical breakdown in high-voltage conditions. Third, the motor is equipped with 8 PT100 resistance thermometers (for real-time temperature monitoring) and a 220V anti-condensation heater (to prevent moisture buildup in humid environments). All these components are housed in a separate terminal box for easy access and maintenance.


What is the ambient temperature range for the Y2 Series motor, and does it change with bearing type?

The Y2 Series operates in ambient air temperatures ranging from -15℃ to 40℃ for most configurations. However, if the motor uses sliding bearings (instead of rolling bearings), the recommended ambient temperature range narrows to 5℃ to 40℃—this is because sliding bearings require a minimum temperature to maintain proper lubrication and prevent friction-related damage. For cold environments (below -15℃), Copartner offers optional heating elements to ensure the motor starts and operates reliably.


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