摘要:
El motor asíncrono trifásico de eficiencia ultra alta a prueba de explosiones de la serie YBX4 está diseñado para entornos peligrosos con gases o polvo explosivos. Cumple las normas de eficiencia IE4 y presenta una estructura antideflagrante, una excelente eficiencia energética y un funcionamiento fiable, por lo que resulta ideal para las industrias petroquímica, química y minera.
YBX4 Series Explosion-Proof Ultra-High Efficiency Three-Phase Motor asíncrono – Comprehensive Introduction
En entornos peligrosos como petroleum, chemical processing, mining, and heavy industry, El YBX4 Series explosion-proof ultra-high efficiency motor asíncrono trifásico destaca por su excelente seguridad a prueba de explosiones y su extraordinaria eficiencia energética. Se ha convertido en la solución energética preferida de las empresas que buscan safe production, energy saving, and cost reduction.

Productos
En YBX4 Series explosion-proof three-phase induction motor is a new-generation explosion-proof power product developed with advanced technology and optimized design. It features high safety, ultra-high efficiency, stable operation, and long service life.
El motor cumple estrictamente GB 18613-2020 – Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Small and Medium Three-Phase Asynchronous Motors, logrando China Grade 2 energy efficiency, equivalente a IEC IE4 (Super Premium Efficiency).
The YBX4 series adopts a totally enclosed self-ventilated cooling design (IC411). Frame sizes range from 80 to 355, con una potencia de 0.18 kW to 375 kW, fully meeting the power requirements of diverse industrial applications. With significant improvements in eficiencia energética, rendimiento a prueba de explosiones y fiabilidad operativa, it is an ideal drive solution for hazardous environments.
Principales características técnicas
1. Outstanding Explosion-Proof Performance
The YBX4 series uses an advanced flameproof (Ex d) structure, with complete explosion-proof certifications, including:
- Ex d I – for coal mine electrical equipment
- Ex d II A T1-T4 / Ex d II B T1-T4 – suitable for IIA and IIB explosive gas atmospheres
- Ex d II C T1-T4 – suitable for IIC explosive gas environments
El nivel de protección estándar del recinto es IP55, effectively preventing dust and water ingress and ensuring reliable operation in harsh industrial conditions.
2. Ultra-High Efficiency and Energy-Saving Performance
The efficiency of the YBX4 series meets GB 18613-2020 Grade 2, equivalente a IEC IE4, representing an ultra-high-efficiency motor level.
Through optimized electromagnetic design and low-loss materials, the motor maintains high efficiency across a wide load range. Compared with conventional explosion-proof motors, total losses are significantly reduced, delivering substantial long-term energy savings and lower operating costs.
3. Rugged and Durable Structural Design
The YBX4 series is built with high-calidad materials and reinforced manufacturing processes:
- Devanados del estator: F-class insulation, temperature rise evaluated at B-class, offering excellent electrical, mechanical, moisture-resistant, and thermal stability
- Low vibration and low noise: Precision manufacturing and optimized design ensure smooth operation with vibration and noise levels significantly lower than traditional explosion-proof motors
- Cooling system: IC411 totally enclosed self-ventilated cooling provides efficient heat dissipation
Especificaciones técnicas
- Tamaño del marco: 80–355
- Potencia nominal: 0.18 kW – 375 kW
- Tensión nominal: 380 V (customizable to 660 V / 1140 V, etc.)
- Frecuencia nominal: 50 Hz
- Postes: 2P / 4P / 6P / 8P
- Clase de protección: IP55
- Clase de aislamiento: F (aumento de temperatura de clase B)
- Método de refrigeración: IC411
- Tipo de servicio: S1 (servicio continuo)
- Tipos de montaje: B3, B5, B14, B34, B35, etc.
Ámbitos de aplicación
Thanks to its reliable explosion-proof design and high efficiency, the YBX4 series is widely used in:
Petrochemical Industry
- Oil drilling equipment
- Oil pumps and compressors
- Chemical process pumps and machinery
Coal Mining Industry
- Underground fixed equipment such as pumps and fans
- Coal preparation and processing machinery
Other Hazardous Locations
- Polígonos industriales con mezclas de gases explosivos
- Customized versions for special environmental conditions
Ventajas y valor del producto
1. High Safety and Reliability
- Designed and manufactured strictly in accordance with national explosion-proof standards
- Su avanzada estructura ignífuga garantiza un funcionamiento seguro en atmósferas explosivas
- Los materiales de alta calidad y la precisión de fabricación garantizan un rendimiento estable a largo plazo
- Wide environmental adaptability: -15°C a +40°C (optional -40°C to +60°C), altitude ≤ 1000 m
2. Excellent Energy-Saving Benefits
- High efficiency significantly reduces power consumption
- Retorno de la inversión más rápido gracias a menores costes de explotación
- Improved power factor and efficiency enhance grid quality and reduce compensación de potencia reactiva requisitos
- Bajo coste total de propiedad a lo largo del ciclo de vida del motor
3. Fácil mantenimiento
- Rational structural design for convenient inspection and maintenance
- Larga vida útil con aislamiento de clase F y gran margen térmico
- Reduced maintenance frequency and lower downtime
Directrices de instalación y funcionamiento
Entorno de instalación
- Temperatura ambiente: -15°C a +40°C (optional -40°C to +60°C)
- Altitud: ≤ 1000 m
- Relative humidity: monthly average ≤ 90% at 25°C
Instalación y puesta en marcha
- Fluctuación de tensión en ±5% (corto plazo ±10%)
- Fluctuación de frecuencia en ±2% (short-term ±5%)
- Multiple mounting options available to suit various equipment configurations
Service and Technical Support
Manufacturers of the YBX4 series provide comprehensive after-sales service:
- Professional technical consultation for motor selection and application
- Installation and commissioning guidance
- Fast response service system, with on-site support within 48 horas when required
Conclusión
En YBX4 Series explosion-proof ultra-high efficiency three-phase asynchronous motor delivers an optimal balance of explosion-proof safety, energy efficiency, durability, and reliability. It is a proven and cost-effective power solution for hazardous industrial environments.
Choosing the YBX4 series means choosing safe operation, energy savings, and professional technical support, helping enterprises achieve sustainable, efficient, and secure production.





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