YBX2 Series High-Voltage Explosion-Proof High-Efficiency Three-Phase 异步电机 – Professional Overview

"(《世界人权宣言》) YBX2 series high-voltage explosion-proof high-efficiency three-phase asynchronous motor is specially designed for hazardous industrial environments such as petroleum, chemical, and coal industries. Combining exceptional explosion-proof safety with outstanding energy efficiency, it is the ideal power solution for high-risk operational sites.

1. Product Overview & Key Features

Product Overview:
The YBX2 series is a next-generation explosion-proof motor developed by Simo Motor using advanced technology and optimized design. It features explosion-proof safety, high efficiency, reliable operation, and long service life. The series strictly follows:

• GB 3836.1-2000 “Electrical Equipment for Explosive Gas Atmospheres – Part 1: General Requirements”
• GB 3836.2-2000 “Electrical Equipment for Explosive Gas Atmospheres – Part 2: Flameproof ‘d’ Type”

The motor adopts a totally enclosed self-ventilated (TEFC) design. Its explosion-proof performance meets GB3836.1 and GB3836.2, and also references IEC60079-1 和 EN50018 standards, making it ideal for hazardous industrial applications.

Core Technical Features:

• High-efficiency & Energy-saving: Meets GB18613-2002 energy efficiency limits for small and medium three-phase motors, equivalent to European Eff1 high-efficiency standards, and compliant with US EPACT efficiency regulations.
• Superior Explosion-Proof Performance: Explosion-proof grades include ExdⅠ, ExdⅡAT4, ExdⅡBT4, ExdⅡCT4 for various hazardous locations including coal mines and industrial sites, temperature class T1–T4.
• Low Vibration & Noise: Vibration reduced by 1–2mm/s and noise lowered by 3–6dB(A) compared to YB series, ensuring a quieter and safer work environment.

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2. Technical Specifications

Parameter	Specifications
框架尺寸	H100–H355
额定电压	380V (customizable)
额定频率	50 赫兹
Protection Level	IP54, IP55 (housing), IP55 (terminal box)
绝缘等级	F (evaluated by B-level temperature rise)
冷却方式	IC411 (TEFC)
Duty	S1 (continuous)
安装类型	IMB3, IMB5, IMB35

Performance Highlights:

• High-efficiency: ~3% higher efficiency than YB/YB2 series motors
• Excellent starting performance under various loads
• Wide voltage adaptability for stable operation under fluctuating grids

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3. Structure & Configuration

Motor Body:

• Stator: High-permeability, low-loss cold-rolled silicon steel laminations; low-harmonic windings; vacuum pressure impregnated (VPI) for superior insulation, mechanical strength, and moisture resistance.
• Rotor: High-质量 laminated rotor core with cast-aluminum rotor mounted using heat shrink technique; dynamically balanced for smooth operation.
• Explosion-Proof Terminal Box: Large internal cavity for wiring; supports rubber-sheathed cable or flexible explosion-proof conduit; positioned for front, rear, left, or right entry.

Cooling & Protection:

• Parallel cooling fins on the frame for efficient heat dissipation
• High-efficiency fans: plastic fans for H≤280mm, aluminum fans for H315–355mm
• Ventilation covers with 8×8mm openings for optimal airflow and protection

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4. Applications & Industrial Scenarios

Petroleum & Chemical Industry:

• Oilfield drilling and production equipment in explosive gas environments
• Chemical plant pumps and compressors requiring explosion-proof drives

煤炭工业：

• Fixed equipment in underground coal mines with methane or coal dust
• Coal preparation and processing machinery in dusty environments

Other Hazardous Sites:

• Industrial plants with Class ⅡA, ⅡB, ⅡC explosive gas mixtures
• Special environmental variants: W (outdoor), TH (tropical wet), TA (tropical dry), F (corrosion-resistant), WTH (outdoor tropical wet), WF (outdoor corrosion-resistant)

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5. Product Advantages & Value

Safety & Reliability:

• Advanced explosion-proof design compliant with national standards
• High-quality materials and precision manufacturing for long-term stable operation
• Optimized bearing systems; sealed bearings for easy maintenance

Energy Efficiency:

• Reduced operational costs through high-efficiency design
• High power factor improves grid quality and reduces reactive power compensation needs
• Lower total lifecycle cost due to long service life and low maintenance

Maintenance Convenience:

• User-friendly design for easy inspection and servicing
• H160+ motors equipped with on-line lubrication system
• Long-life F-class insulation with B-level temperature rise margin

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6. Installation & Usage Guidelines

Installation Requirements:

• Ambient temperature ≤40°C
• Altitude ≤1000m
• Appropriate humidity based on environment

Installation & Commissioning:

• Solid, level foundation to support motor and mechanical stress
• Accurate alignment with driven machinery using couplings
• Electrical connections per nameplate and wiring diagram; ensure proper grounding

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7. Service & Technical Support

Quality Assurance:

• Complies with GB 3836 series and relevant international standards
• Efficiency testing per IEEE B standard
• Comprehensive factory testing for each motor

After-Sales Service:

• Professional guidance for selection, installation, and operation
• Rapid response to customer issues
• Long-term technical support and service guaranteed

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Summary:
"(《世界人权宣言》) YBX2 high-voltage explosion-proof high-efficiency three-phase asynchronous motor combines outstanding explosion-proof safety, superior energy efficiency, and reliable operation, making it the ideal power solution for hazardous industrial environments. Selecting the YBX2 motor ensures maximum safety, energy savings, and robust industrial performance, backed by comprehensive technical support from Simo Motor.