YBX4 Series 4-Pole Motor Model-Specification Table

The YBX4 Series 4-Pole Motor, designed exclusively for Weigao reducers, is a robust explosion-proof motor tailored for medium-speed industrial applications. Its 4-pole structure delivers a nominal speed of 1500 r/min, offering optimal torque and speed balance for equipment like pumps, fans, and material handling systems. This motor meets global explosion-proof certifications—Exd I Mb, Exd IIB T4 Gb, and Exd IIC T4 Gb—ensuring safety in flammable environments. With Class F insulation (155°C) and IP55 protection, it resists dust, moisture, and extreme temperatures, ensuring longevity in harsh conditions.

The power spectrum spans 0.18 kW to 315 kW, supporting light to heavy-duty operations. Frame sizes range from H80 to H355, with flexible mounting options (B3, B5, B35) for seamless integration with Weigao reducers. Its IC411 cooling system maintains thermal stability during continuous use.

This motor combines energy efficiency—aligned with GB18613-2020 Level 2 standards—and reliability, reducing operational costs. Its precision engineering ensures smooth power transmission, making it ideal for industries requiring steady performance in hazardous settings. The YBX4 4-Pole Motor is a trusted solution for Weigao reducers, balancing safety, efficiency, and adaptability in demanding environments.
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YBX4 Series 4-Pole Motor Model-Specification Table

The YBX4 Series 4-Pole Motor is a versatile medium-speed three-phase asynchronous motor widely applied in industrial production and mechanical systems. Adhering to IE3/IE4 international energy efficiency standards, it integrates optimized electromagnetic design, high-strength housing materials, and high-conductivity copper windings, balancing operational stability, energy-saving performance, and long-term durability. This series covers a broad rated output range, with medium to high power configurations, and a full-load rotational speed typically ranging from 1400 r/min to 1490 r/min, making it suitable for pumps, compressors, conveyors, and general mechanical equipment requiring moderate speed and reliable torque output.

Equipped with F-class insulation and B-class temperature rise control, the motor can adapt to complex industrial environments, effectively withstanding temperature fluctuations, humidity, and dust interference. Its IP55 protection rating forms a reliable barrier against external debris and moisture intrusion, reducing mechanical failure risks and extending service life. The optimized heat dissipation structure, combined with efficient cooling fans and precision air ducts, ensures rapid heat emission during continuous operation, maintaining stable working temperatures and avoiding performance degradation.

Precision dynamic balancing treatment and a rigid structural design minimize vibration and noise during operation, protecting supporting equipment and improving workplace comfort. Adopting standardized mounting dimensions (B3, B5) and a modular design, it facilitates convenient installation, daily maintenance, and component replacement, enhancing compatibility with various industrial devices. With its excellent power density, energy efficiency, and operational stability, this motor serves as a core drive component for efficient, continuous industrial production processes.

YBX4 Series 4-Pole Motor Model-Specification Table

Motor TypeRated Output (kW)Rated Output (HP)Speed (r/min)
YBX4-63M1-40.120.181350
YBX4-63M2-40.180.251350
YBX4-71M1-40.250.371380
YBX4-71M2-40.370.501380
YBX4-80M1-40.550.751390
YBX4-80M2-40.7511390
YBX4-90S-41.11.51400
YBX4-90L-41.521400
YBX4-100L1-42.231420
YBX4-100L2-4341420
YBX4-112M-445.51440
YBX4-132S-45.57.51440


Motor TypeRated Output (kW)Rated Output (HP)Speed (r/min)
YBX4-132M-47.5101440
YBX4-160M-411151460
YBX4-160L-415201460
YBX4-180M-418.5251465
YBX4-180L-422301465
YBX4-200L-430401470
YBX4-225S-437501475
YBX4-225M-445601475
YBX4-250M-455751475
YBX4-280S-4751001480
YBX4-280M-4901201480
YBX4-315S-41101501480
YBX4-315M-41321801480
YBX4-315L1-41602201480
YBX4-315L2-42002701480
YBX4-355M-42503401490
YBX4-355L-43154301490


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