摘要:
The YBX5 series explosion-proof ultra-high efficiency three-phase asynchronous motor is designed for hazardous areas with explosive gases or dust. Complying with IE5 efficiency standards, it offers outstanding energy savings, reliable flameproof protection, and stable operation, making it ideal for petrochemical, mining, and other high-risk industrial environments.
YBX5 Series Explosion-Proof Ultra-High Efficiency Three-Phase Motor assíncrono – Professional Overview
The YBX5 series explosion-proof ultra-high efficiency three-phase asynchronous motor is a new-generation high-end explosion-proof power solution designed for hazardous environments such as petroleum, chemical industry, and coal mining. The motor strictly complies with GB 18613-2020 “Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Electric Motors”, achieving China Grade 1 energy efficiency, equivalent to IEC IE5 ultra-premium efficiency, leading the industry in safety, energy saving, and reliability.

Product Overview
The YBX5 series adopts an advanced flameproof (Ex d) structure and optimized electromagnetic design. It features high efficiency, safe explosion protection, stable operation, and long service life.
The motors use totally enclosed self-ventilated cooling (IC411). Frame sizes range from 80 to 355, with power output from 0.18 kW to 375 kW, meeting a wide variety of industrial power requirements.
Key Technical Features
Excellent Explosion-Proof Performance
Explosion protection markings include:
- Ex dⅡB T4 Gb
- Ex dⅡC T4 Gb
Suitable for Zone 1 & Zone 2 hazardous areas with IIB and IIC explosive gases.
Standard protection degree is IP55, with options IP56 / IP66, and optional CX anti-corrosion design for humid, coastal, or marine environments.
Ultra-High Efficiency & Energy Saving
- Meets IE5 / GB Grade 1 efficiency
- Efficiency is approximately 1.5% higher than IE4 motors
- Significantly reduces energy consumption and operating costs over the motor lifecycle
Robust and Durable Design
- F-class insulation, temperature rise evaluated at Class B
- High mechanical strength, compact and rigid structure
- Low vibration and low noise, vibration level meets GB/T 10068 Grade B, noise ≤ 80 dB(A)
Technical Specifications
- Frame size: 80–355
- Power range: 0.18–375 kW
- Rated voltage: 380V / 380–660V / 400–690V / 415V / 660V / 1140V (customizable)
- Rated frequency: 50 Hz
- Poles: 2P / 4P / 6P / 8P
- Protection class: IP55 (optional IP56 / IP66)
- Insulation class: F (B temperature rise)
- Cooling method: IC411
- Duty type: S1 (continuous duty)
- Mounting types: B3, B5, B14, B34, B35, V1
Applications
- Oil & Gas Industry: drilling equipment, oil pumps, compressors
- Chemical Industry: chemical pumps, mixers, processing equipment
- Coal Mining: underground fixed equipment, fans, pumps
- Hazardous Industrial Sites with flammable or explosive gases
Product Value & Advantages
- High explosion-proof safety, compliant with international and national standards
- Ultra-high efficiency, significantly reducing power consumption
- Long service life, low maintenance cost
- Wide environmental adaptability: -40°C to +60°C, relative humidity ≤ 90% (25°C)
- Supports temperature, vibration monitoring, and multiple customized configurations
Conclusão
O YBX5 series explosion-proof ultra-high efficiency three-phase asynchronous motor delivers outstanding explosion protection, superior energy efficiency, and reliable long-term operation. It is an ideal power solution for hazardous industrial environments, helping enterprises achieve safe production, energy savings, and reduced total lifecycle costs.
Choosing the YBX5 series means choosing safety, efficiency, and professional technical support.





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