YBX4 Series 8-Pole Motor

The YBX4 Series 8-pole three-phase induction motor is a specialized, high-torque power unit designed for ultra-low-speed industrial applications demanding exceptional reliability and sustained performance. With an 8-pole configuration, it achieves a synchronous speed of 750 r/min (at 50 Hz) or 900 r/min (at 60 Hz), making it ideal for heavy machinery such as large-scale conveyors, rotary kilns, ball mills, and slow-speed compressors in sectors like mining, cement, and metallurgy.

Built with a reinforced cast-iron frame, the YBX4 Series ensures maximum durability in harsh environments, while its IP55 protection rating provides robust defense against dust, moisture, and corrosive elements. The motor incorporates F-class insulation (rated for 155°C), enhancing thermal resilience and extending operational lifespan under continuous or variable-load conditions. Its advanced electromagnetic design minimizes energy losses, meeting IE3/IE4 efficiency standards per IEC 60034-30-1, reducing energy consumption and long-term operating costs.

Key features include unmatched starting torque, smooth power delivery, and ultra-low vibration, ensuring stable operation even under extreme loads. The motor supports a power range of 2.2 kW to 315 kW and voltage compatibility from 380V to 660V, catering to diverse industrial needs. Optional accessories like thermal overload protectors and anti-condensation heaters enhance safety and reliability.

With its compact yet rugged design, ease of maintenance, and global certifications (IEC, NEMA), the YBX4 Series 8-pole motor is the preferred choice for applications requiring high torque at exceptionally low speeds, offering a cost-effective blend of efficiency, durability, and performance.

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Estimated Delivery Date: Mar 06-Mar 06

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The YBX4 series 8-pole motor (synchronous speed 750 r/min) is an explosion-proof drive core customized for ultra-low-speed, heavy-load scenarios, designed to form a high-reliability assembly with reducers. Complying with IE4 ultra-high energy efficiency standards, it integrates a precision-calibrated electromagnetic circuit and robust mechanical structure, realizing high torque output at ultra-low speeds to match reducer’s speed reduction and torque enhancement needs, while cutting unnecessary energy consumption.

Its standout merit is the synergistic adaptability with reducers and strong overload resilience. The 8-pole design ensures minimal speed drift under heavy loads, reducing impact force on reducer gears during startup and operation, thus prolonging the combined service life. With Ex db ⅡC T4 Gb explosion-proof certification, it safely operates in flammable gas, dust-rich hazardous areas like mining, cement grinding, and heavy-duty crushing workshops.

Equipped with F-class insulation and IP55 protection, it resists humidity, dust, and temperature fluctuations, maintaining stable performance in harsh working conditions. The upgraded IC411 cooling system accelerates heat dissipation, avoiding overheating during long-term continuous operation with reducers. The universal mounting interface enables quick docking with various reducer models, enhancing application flexibility.

Boasting low vibration, muted noise, and wear-resistant components, it lowers maintenance costs. Optional smart protection modules (temperature and load sensing) further safeguard the reducer-motor assembly. This integration of ultra-low-speed torque, explosion-proof safety, and energy efficiency makes it ideal for reducers in ball mills, heavy mixers, and ultra-low-speed conveyors.