| Item | Specification |
|---|
| Model No. | YBX3-160L-4 |
| Phase | Three-phase |
| Product Type | Explosion-proof three-phase motor |
| Rotor Structure | Squirrel cage |
| Enclosure Type | Totally enclosed |
| Starting Method | Direct-on-line (DOL) starting |
| Certifications | ISO9001, CCC |
| Rated Voltage | 220V ~ 1140V |
| Rated Power Range | 0.12 ~ 630 kW |
| Rated Frequency | 50Hz / 60Hz |
| Frame Size Range | H63 ~ H400 |
| Duty Cycle | S1 (Continuous duty) |
| Operating Ambient Temperature | -15℃ ~ +40℃ |
| Relative Humidity | ≤90% (at 20℃) |
| Maximum Altitude | ≤1000 m |
| Winding Connection | Y / Delta |
| Insulation Class | Class F |
| Ingress Protection | IP55, IP56, IP65, IP66 |
| Cooling Method | IC411 |
| Rotation Direction | Bi-directional |
| Color | Customizable |
| Terminal Box Position | Default: top side, terminal to the right; other positions available upon request |
| Shipping Package | Export seaworthy wooden case |
| Trademark | CHANGLI |
| Place of Origin | China |
| HS Code | 8501510090 |
| Annual Production Capacity | 550,000 units |
| | Company Profile
Located in Changsha, Hunan Province, Changli Electric Co., Ltd. (formerly Changsha Motor Factory, founded in 1946) ranks among the Top 10 industrial motor manufacturers in China, with over 70 years of professional motor R&D and manufacturing experience.
The company boasts a total investment of 1.094 billion RMB, covering a plant area of 270,000 square meters (400 mu). Equipped with more than 600 sets of high-precision production facilities, it achieves an annual production capacity of 8,000 MW.
The company currently employs over 350 staff members, of which technical and engineering personnel account for 18%. Backed by a professional R&D team and decades of mature manufacturing technology, we specialize in customized and standardized low, medium and high-voltage motors.
Our in-house testing center serves as the Hunan Provincial Quality Supervision Station for Medium and Small Motors, officially authorized by the National Quality Inspection Center. It undertakes quality supervision and sampling inspections for motor manufacturers across central and southern China, capable of testing 40 series of high and low-voltage motors.
Our comprehensive product portfolio covers standard asynchronous/synchronous motors, high-efficiency & ultra-high-efficiency motors, explosion-proof motors, variable-frequency motors, ultra-high-speed motors, submersible motors, wound-rotor slip ring motors, permanent magnet motors, large vertical pump motors and special customized motors.
Parameter Range
- Power: 0.55 kW – 20,000 kW
- Voltage: 380 V – 13.8 kV
- Shaft height: 80 mm – 1120 mm
Product Description
The YBX3 series low-voltage IE3 high-efficiency explosion-proof three-phase asynchronous motor is designed in full compliance with major domestic and international standards. Its energy efficiency meets Class 3 requirements of GB18613-2020 national standard.
This series has obtained comprehensive certifications, including domestic explosion-proof certificate, energy efficiency certificate and CCC certification, as well as international IECEx, ATEX and CUTR certifications. With authoritative global qualification recognition, the motor enjoys strong market competitiveness both at home and abroad.
| Item | Specification |
|---|
| Explosion-Proof Grade | Ex d I Mb, Ex d IIB T4 Gb, Ex d IIC T4 Gb |
| European Explosion-Proof Certification | IECEx, ATEX |
| Frame Size | H63mm – H400mm |
| Power Range | 0.12kW – 630kW |
| Rated Voltage | 220V – 1140V |
| Poles | 2 – 30 Poles |
| Frequency | 50Hz / 60Hz |
| Efficiency Level | IE3 Premium Efficiency |
| Protection Degree | IP55, IP56, IP65, IP66 |
| Mounting Types | IM B3, IM B35, IM B5, IM V1 and more |
| Cooling Method | IC410, IC411 |
Our Advantages
The YBX3 IE3 high-efficiency low-voltage explosion-proof three-phase asynchronous motor is an independently upgraded high-performance product developed by our company. It features elegant appearance, lower energy consumption, ultra-low noise, low vibration, high safety factor, stable operation and easy maintenance.
Application Fields
Petroleum, chemical industry, metallurgy, electric power, oil and gas industry
Operating Conditions
This motor series is suitable for hazardous areas with explosive gas atmospheres in China and Europe, including oil & gas fields, petrochemical plants, metallurgical sites, power stations and underground coal mines. It is widely used to drive fans, water pumps, compressors, centrifuges, mixers, conveying equipment and other general industrial machinery.
Frame
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Winding
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In-process Inspection & Quality Control
All testing and measuring instruments are fully calibrated annually to ensure accurate and consistent inspection results. Every production procedure undergoes strict item-by-item quality inspection and control.
| Component | Inspection Items |
|---|
| Coil | 1. Raw material physical and chemical testing2. Winding process inspection3. Winding dimension verification |
| Iron Core | 1. Silicon steel sheet material physical and chemical inspection2. Lamination burr and paint film inspection3. Laminated core dimensional check |
| Frame | 1. Welding quality conformity verification2. Finishing machining precision inspection |
| Rotor | 1. Rotor core lamination quality check2. Conducting bar welding inspection3. Material, appearance, conductivity and dimension check of bar end rings4. Slot conducting bar fastening inspection5. Core outer diameter and overall dimension check6. Dynamic balance calibration |
| Shaft | 1. Raw material quality and annealing process inspection2. Finish machining precision check |
| Stator | 1. Core compactness inspection2. Core overall length and sectional dimension check3. Winding insertion quality inspection4. Iron loss performance testing |
| Assembly | 1. Plain bearing dimension and surface quality check2. Air gap size, stator & rotor axial alignment, internal fan and windshield gap inspection3. Internal cleaning inspection4. Shaft center height and mounting dimension verification |
| Final Test | 1. Routine factory testing2. Type testing |
Factory Test & Quality Assurance
Every motor undergoes strict testing before leaving the factory. Only units that pass all test criteria are qualified for delivery, and an individual test report is provided for each motor.
| Test Category | Detailed Test Items |
|---|
| Routine Tests | 1. Three-phase DC resistance of windings2. Winding insulation resistance to earth3. Winding voltage withstand test4. No-load current test5. No-load power test6. No-load power loss test7. Three-phase no-load current unbalance test8. Locked-rotor current test9. Locked-rotor torque test10. Maximum torque test11. Rotation direction verification12. Vibration test (horizontal, vertical, axial)13. Noise test |
| Type Tests | 1. Full-load input power2. Full-load operating current3. Stator winding power loss4. Rotor winding power loss5. Core iron loss6. Mechanical power loss7. Stray power loss8. Full-load slip ratio9. Stator winding temperature rise10. Bearing operating temperature11. Winding insulation resistance after heating12. Overload performance test13. Full-load power factor14. Operational efficiency |
Packaging
Standard seaworthy package for export
Plywood package or wooden fumigation package
Suitable for long distance transportation by sea
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