Automatic Pole-Changing Two-Speed Motor Yd Series 50Hz/60Hz Customizable

• Customization: Available
• Application: Industrial
• Speed: 3000/ 1500/ 1000/ 750/ 590
• Model NO.: YD
• Number of Stator: Three-Phase
• Function: Driving, Control
• Casing Protection: Closed Type
• Number of Poles: 2, 4, 6, 8, 10
• Starting Mode: Direct on-line Starting
• Certification: ISO9001, CCC
• Brand: Lr
• Trade Terms: EXW/ Fob/ CFR/ CIF
• Payment Method: Tt/ LC
• Type of Coupling: Direct / Flexible
• Other: Support Custom Motors
• Transport Package: Wooden Case
• Trademark: LR
• Origin: China
• HS Code: 8501520090
• Production Capacity: 100

Product Description

1.Company Introduction

SHANDONG LANGRUI INDUSTRIAL CO., LTD. is reliable industrial motor manufacturer and supplier.

LANGRUI Motor have decades of experiences in supplying industrial motor such as IE3/IE4/IE5 Three Phase Induction Motor, Single Phase Induction Motor, High-voltage Motor, High Power Motor, Slip Ring Wound Rotor Motor, Crane Duty Motor, Variable Frequency Motor, Multi-Speed Motor, Brake Motor, DC Motor, Customized Design Motor, etc.

LANGRUI Motor is authorized with ISO9001:2015 as the rules and laws of company operating management.
We are also authorized with CE, ATEX, EAC, etc.

LANGRUI Motor always supply service in Electric Motor R&D, Manufacturing, Quality Control, Technical Support, Overseas Sales, Pre-sales and After-sales, etc.

LANGRUI Motor have supplied our electric motor to more than 70 countries, such as Europe, America, Asia, Australia, Africa, and we have won worldwide reputation.

LANGRUI Motor have strong economic foundation (US $34 million total assets and 10 thousand square meter of office & production area), solid talent reserve (more than 120 staffs, including 10 Engineers), and strong technical advantage (21 patents in Motor's Energy-saving Field)


2.YD Pole-changing Multi-Speed Three Phase Asynchronous Motor
 

YD series pole-changing multi-speed three phaseasynchronous motor is a derived product of YE seriesThis series of motors can change speed at different loadcharacteristic to match the output properly and simplify thespeed-changing system, and it is the ideal power of energysaving mechanical system. lt is widely used in industries likemining,metallurgy,textile, printing and dyeing, chemicalconstruction and so on.
YD series motors have the same overall and mountingdimension as YE series.

 

3.YEJ OPERATING CONDITIONS
 

Frame size: 80~315 frame

Rated voltage: 380,400,415,440,460,480 V

Rated frequency: 50 Hz (60 Hz is optional)

No. of poles: 2, 4, 6, 8, 10, 12 Pole

Mounting methods: B3, B34,B35,B14, B5, V1

Material of housing: Cast iron (160 frame and below can be alloy-aluminum)

Insulation class: F Class 155°c (H Class 180°c is optional)

Temp. rising: ΔT=80K, B Class (100K, F Class is optional)

Protection class: lP44,IP54,IP55,1P56

Cooling: 1C411 (1C416 Forced ventilation is optional)

Working duty: S1 (Continuous)

Service factor: 1.0 (1.15 is optional)

Ambient temperature: -15°c~40°C (Above 40°c is optional)

Altitude:≤ 1000 m.a.s.l. (Above 1000m is optional)

Ambient humidity: ≤ 90%

Lubricating: With grease system for frame 160 and aboveSpace heater and PT100/PTC is optionalCustomized frame/power is optional

4. Product Highlights

• Energy-Saving Design: Up to 98% efficiency, reducing operational costs.

• Robust Construction: Cast iron/steel frame for durability in harsh environments.

• Smart Control Compatibility: Supports VFD (Variable Frequency Drive) integration.

• Low Noise & Vibration: Precision-balanced rotor for smooth operation.

• Global Standards: Compliant with IEC, NEMA, and GOST standards.

5. Certifications & Quality Assurance

• CE, ISO 9001, ATEX.

• 12-month warranty with global after-sales support.

6. Why choose Us?

1.Die-casting technology to ensure the stable quality of the rotor and aesthetic appearance

2. Competitive Price

3. Guaranteed Quality 

4. Fast delivery time, Normal models about 15-20days , another not normal models need about 30days.

5. 100% testing after each process and final testing before packing ,all raw material is good quality .100% cooper wire, Cold-rolled silicon steel sheet,good quaility shafts ,bearings,stators ,fan,fan covers.and so on.

6. High efficiency

7. Low noise 

8. Long life

9. Power saving

10. Slight vibration

11. It is newly designed in conformity with the relevant rules of IEC standards, Strictly and Perfect Management is guaranteed for Production .

7. FAQs?

• Q: Can the motor operate in explosive environments?
  A: Yes, we offer ATEX-certified explosion-proof models.

• Q: Is OEM/ODM service available?
  A: Absolutely! Provide your drawings, and we'll manufacture accordingly.