摘要：
The YBX4 series explosion-proof ultra-high efficiency three-phase asynchronous motor is designed for hazardous environments with explosive gases or dust. Meeting IE4 efficiency standards, it features a flameproof structure, excellent energy efficiency, and reliable operation, making it ideal for petrochemical, chemical, and mining industries.
YBX4 Series Explosion-Proof Ultra-High Efficiency Three-Phase 异步电机 – Comprehensive Introduction
In hazardous operating environments such as petroleum, chemical processing, mining, and heavy industry, the YBX4 Series explosion-proof ultra-high efficiency three-phase asynchronous motor stands out with its excellent explosion-proof safety and outstanding energy efficiency. It has become a preferred power solution for enterprises seeking safe production, energy saving, and cost reduction.
Product Overview
"(《世界人权宣言》) 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.
The motor strictly complies with GB 18613-2020 – Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Small and Medium Three-Phase Asynchronous Motors, achieving China Grade 2 energy efficiency, equivalent to IEC IE4 (Super Premium Efficiency).
The YBX4 series adopts a totally enclosed self-ventilated cooling design (IC411). Frame sizes range from 80 to 355, with a power range of 0.18 kW to 375 kW, fully meeting the power requirements of diverse industrial applications. With significant improvements in energy efficiency, explosion-proof performance, and operational reliability, it is an ideal drive solution for hazardous environments.
Key Technical Features
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
The standard enclosure protection level is 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, equivalent to 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-质量 materials and reinforced manufacturing processes:
- Stator windings: 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
Technical Specifications
- Frame size: 80–355
- Rated power: 0.18 kW – 375 kW
- Rated voltage: 380 V (customizable to 660 V / 1140 V, etc.)
- Rated frequency: 50 Hz
- Poles: 2P / 4P / 6P / 8P
- Protection class: IP55
- Insulation class: F (B-class temperature rise)
- Cooling method: IC411
- Duty type: S1 (continuous duty)
- Mounting types: B3, B5, B14, B34, B35, etc.
Application Areas
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
- Industrial sites with explosive gas mixtures
- Customized versions for special environmental conditions
Product Advantages and Value
1. High Safety and Reliability
- Designed and manufactured strictly in accordance with national explosion-proof standards
- Advanced flameproof structure ensures safe operation in explosive atmospheres
- High-quality materials and precision manufacturing guarantee long-term stable performance
- Wide environmental adaptability: -15°C to +40°C (optional -40°C to +60°C), altitude ≤ 1000 m
2. Excellent Energy-Saving Benefits
- High efficiency significantly reduces power consumption
- Faster return on investment through lower operating costs
- Improved power factor and efficiency enhance grid quality and reduce reactive power compensation requirements
- Low total cost of ownership over the motor lifecycle
3. Easy Maintenance
- Rational structural design for convenient inspection and maintenance
- Long service life with F-class insulation and large thermal margin
- Reduced maintenance frequency and lower downtime
Installation and Operation Guidelines
Installation Environment
- Ambient temperature: -15°C to +40°C (optional -40°C to +60°C)
- Altitude: ≤ 1000 m
- Relative humidity: monthly average ≤ 90% at 25°C
Installation and Commissioning
- Voltage fluctuation within ±5% (short-term ±10%)
- Frequency fluctuation within ±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 hours when required
结论
"(《世界人权宣言》) 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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