𐄀 Technology Connection to Future
Zhejiang Yonggui Electric Equipment Co., Ltd.

Electric Coupler

Yonggui Electric Coupler team has more than ten years of electric hook product development, production and maintenance experience, with strong research ability and rich practical experience.By April 2023, our team completed 21 urban rail and 8 Chinese standard EMUs electric coupler (Nano E-Coupler in following paragraphy)  maintenance service projects.The maintenance projects included E-coupler from oversea suppliers such as  Voith,Dellner, Faiveley etc.

The Details of Electric Coupler

The Details of Electric Coupler

YG1110 Electric Coupler

The Details of Electric Coupler


Introduction of Electric Coupler Maintenance Process



Confirmation of Technical Status

Check and record Following Items:

1. Wiring Principle,

2. Overall Size,

3. Electrical Performance,

4. Customer Label Content

5. Contact Status.

Confirmation of Technical Status

Disassembly and Clean

Disassemble the E-coupler which was inspect with above items, the clean the parts, recover the appearance. The whole process of disassembly shoule be recorded.

Disassembly and Clean

Repair or Replacement of Core Elements

Evaluation, repair, replacement for core elements (such as isolators, contacts, cable assembly) . The whole process should be recorded.

Repair or Replacement of Core Elements

Re-Assembly and Step Confirmation

Re-assemble together of all elements and components which were refreshed according to reverse sequence of disassembly record. Confirm whole process with assembly record.

Re-Assembly and Step Confirmation

Routine Test and Document Files

Following test items should be performed:

1. Appearance Inspection

2. Electrical Performance

3. Mechanical Performance

4. Assembly Inspection

Test reports should be documented with replacement report and assembly checklist together for auditing.

After maintenance service, the E-coupler should meet the criteria of technical agreements.

Contact Yonggui Electric for Connectors
Contact Yonggui Electric for Connectors
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