Power Range: The YE3 Series covers a power range from 0.75 kW to 375 kW across 22 frame sizes, providing flexible and convenient selection for diverse load requirements. Available in 2, 4, 6, and 8-pole configurations, it supports various speed needs for broad application compatibility.
Rated Voltage: Designed for direct connection to standard three-phase AC power supplies at 380V, 400V, or 415V, 50Hz, requiring no additional components. Its strong voltage adaptability ensures stable and reliable operation under varying grid conditions.
Efficiency Class: This series meets the Grade 3 efficiency requirements of the GB18613-2020 standard (aligned with IE3 efficiency class). Through optimized electromagnetic design and high-performance materials, it achieves an efficiency improvement of 1-3 percentage points over standard motors, offering good energy savings with reduced operational losses.
Power Factor: Featuring optimized electromagnetic design, the motors maintain a high power factor of 0.85-0.88 at full load. This minimizes reactive power losses, improves power quality, reduces line losses, and enhances overall system efficiency.
Protection Level: With an IP55 protection rating, the motors are effectively sealed against dust and water jets. The Totally Enclosed Fan-Cooled (TEFC) construction ensures excellent heat dissipation, enabling reliable long-term operation in demanding environments.
Frame Construction: The high-strength cast iron frame ensures robust durability and excellent heat dissipation, capable of withstanding significant mechanical stress for long-term, stable operation. Its corrosion-resistant surface finish provides a clean appearance and extended service life. With an IP55 protection rating, it is suitable for demanding operating environments.
Cooling Method: Designed with a Totally Enclosed Fan-Cooled (TEFC, IC411) structure, an integrated cooling fan efficiently dissipates heat through the frame ribs. The optimized airflow design ensures effective cooling, resulting in low temperature rise and reliable performance even under high ambient temperature conditions.
Insulation Class: The Class F insulation system offers a generous temperature rise margin and long insulation life, supporting reliable operation at elevated temperatures. The stator is processed using Vacuum Pressure Impregnation (VPI), ensuring stable insulation performance and high resistance to voltage surges for safe, long-term use.
Mounting Options: Available in various configurations including B3, B5, and B35 arrangements to accommodate horizontal, vertical, and other mounting requirements. The frame feet feature a practical design with standard mounting holes for quick and secure connection to equipment, minimizing installation time.
Bearing System: Equipped with high-quality deep groove ball bearings or cylindrical roller bearings for strong load capacity and smooth operation. Designed for extended service, the bearing system incorporates a long-life lubrication design and standard dust seals, reducing maintenance frequency and associated costs.
Starting Torque: These motors feature a high starting torque ratio, reaching 180%-220% of the rated torque, providing excellent starting performance for heavy-duty and frequent start-stop applications. They ensure smooth starts with low inrush current, minimizing impact on the power grid and connected equipment for enhanced operational adaptability.
Breakdown Torque: With a breakdown torque ratio of 250%-300% of the rated torque, the motors offer strong overload capacity. They can reliably withstand short-term overload conditions and maintain stable operation in demanding scenarios, ensuring high reliability.
Noise Level: Utilizing an optimized airflow design and low-noise fan, the motors operate quietly, complying with the GB10069 standard. The typical sound pressure level at a 1-meter distance is ≤80 dB(A), contributing to a better working environment and making them suitable for noise-sensitive locations such as office buildings and hospitals.
Vibration Grade: The rotor is dynamically balanced in accordance with ISO 10816-3 standards, ensuring smooth operation and reducing transmitted vibration to connected machinery. With a typical vibration velocity of ≤2.8 mm/s, the motors support the long-term stable performance of the entire drive system.
Duty Cycle: Rated for S1 continuous duty, the motors are engineered for reliable, long-term operation with stable temperature rise. The optimized thermal design reduces temperature rise by approximately 10K compared to conventional motors, providing effective heat dissipation for various industrial drive applications.
Operating Temperature: Suitable for ambient temperatures from -15°C to +40°C. The use of low-temperature resistant insulation materials, combined with a high-temperature optimized cooling design, ensures stable performance in both cold winters and hot summers, meeting operational needs across different climatic regions in China.
Altitude: Standard operation is rated for altitudes ≤1,000 meters. For applications above this level, appropriate derating is required per relevant standards to maintain motor performance and reliability. The product has undergone rigorous high-altitude adaptation testing, making it suitable for industrial applications in plateau regions.
Safety Certifications: The product is certified with CCC (China Compulsory Certification) and CE marking (complying with the Low Voltage and EMC Directives), meeting the safety access requirements for both international and domestic markets. This ensures conformity with regulations concerning electrical safety and electromagnetic compatibility.
Warranty: An 18-month quality warranty is provided from the date of shipment. Free repair or replacement is offered for any manufacturing defects identified during this period, safeguarding customer interests. Each motor undergoes stringent quality control and final testing to ensure stable and reliable performance upon delivery.
Standards Compliance: The product strictly adheres to the Chinese National Standard GB18613 and the IEC 60034 series of international standards. Having passed multiple authoritative tests, it delivers consistent and reliable performance. Designed for standard industrial environments, it can be optionally equipped with protective coatings for humid or saline conditions. It is widely used across various industrial sectors such as mining, ports, and building materials.
