Service Cases
Professional services for the power, chemical, and manufacturing industries

Bulk supply of ABB circuit breaker spare parts for a manufacturing enterprise
Customer Inquiry
Multiple ABB low-voltage circuit breakers at the client's factory have been in operation for over 10 years. Some spare parts are no longer in production, and there is an urgent need to procure original-compatible spares to ensure ongoing maintenance support.
Solutions
Batch source identical and compatible replacement parts through authorized OEM channels, provide complete certificates of conformity and warranty documentation, and assist customers in developing spare parts inventory management solutions.
Service Effectiveness
All spare parts have arrived and passed acceptance, enabling the continuation of the customer's maintenance plan. Equipment availability remains above 98%, and annual spare parts procurement costs have decreased by approximately 12%.

Siemens Circuit Breaker On-Site Maintenance for an Automotive Parts Manufacturer
Customer Inquiry
Low-voltage circuit breaker in the production workshop failed to close, causing unplanned line downtime and significantly impacting production progress.
Solutions
Engineer performed on-site troubleshooting with professional diagnostic equipment and identified a damaged main circuit breaker mechanism. Replaced with an original factory main mechanism and conducted more than 10 opening/closing cycle tests.
Service Effectiveness
The device is back to normal operation. With zero faults over the past 30 days and unplanned downtime reduced by approximately 80%, customer production schedules are now secured.

Schneider circuit breaker spare parts supply for a vessel, including on-site installation
Customer Inquiry
Main breaker on the vessel has been in service for over 20 years and meets OEM standards for maintenance and contact replacement, but the vessel cannot dock and must operate at anchor.
Solutions
Leverage authorized Schneider Electric channels to rapidly source matching circuit breaker spare parts, with on-site installation, maintenance, and testing performed by engineers.
Service Effectiveness
The device is operating normally without faults. All parameter values are nearly identical to factory standards, earning high approval from customers.

Upgrading circuit breakers at a steel mill
Customer Inquiry
The existing distribution cabinet frame circuit breaker has been in service for years. Component aging and incomplete protection functions pose significant safety risks, and the unit cannot meet the power requirements of newly added equipment.
Solutions
Upgrade to the latest custom Siemens low-voltage air circuit breaker. No busbar power outage required; install the customized frame breaker directly.
Service Effectiveness
Ensures proper system operation, significantly improves circuit breaker power reliability, reduces annual maintenance costs by approximately 15%, and passes safety inspections.
