High Voltage Switchgear PT Trolley Sheet Metal Manufacturing Service
This is a custom sheet metal chassis for a PT (Potential Transformer) Trolley, engineered to operate within high-voltage switchgear systems.
Manufactured from industrial-grade steel using precision processes like laser cutting and CNC bending, its robust frame provides the structural integrity for the trolley's lifting and transfer mechanism. As a certified OEM supplier for global leaders like ABB and Schneider Electric, we build each chassis to your exact drawings and specifications.
The finished component ensures reliable serviceability in high-voltage switchgear, making it a critical part for the power, communication, and industrial sectors.
Material :
Industrial-Grade Steel (Cold-rolled, Stainless)Thickness :
2.0mm – 4.0mm (Customizable)Surface Treatment :
Powder Coating (C4/C5 capable), Electrophoresis, or GalvanizingProcess Involved :
Laser Cutting, CNC Punching, CNC Bending, Robotic WeldingProduct Overview
The High Voltage Switchgear PT Trolley is designed for lifting and moving potential transformers in power distribution systems. It is made through metal sheet fabrication with precise cutting, bending, and welding processes. The structure is stable, easy to operate, and suitable for long-term use in switchgear assembly and maintenance. Different sizes, materials, and finishes can be customized according to project needs.

Key Features & Advantages
✨ Manufacturing to Tolerance: The chassis is fabricated to a processing accuracy of ±0.1mm. This precision facilitates correct installation and interchangeability of components within the switchgear assembly.
✨ Steel Construction: The component is built from industrial-grade steel, providing a solid framework for the PT unit. Our manufacturing is informed by our experience in the power control equipment and automotive sectors, operating under IATF 16949 standards.
✨ OEM Customization: As an OEM supplier, we manufacture the chassis based on client drawings and technical requirements. Our team of 36 R&D and technical personnel can accommodate specific design needs.
✨ Durable Material & Finish: Constructed from industrial-grade materials like cold-rolled steel with options for powder coating or galvanizing for superior corrosion resistance.
✨ Corrosion Protection Options: Surface treatment is available via our automated powder coating line, which can apply high-protection C4/C5 level coatings. This process provides corrosion and abrasion resistance.
✨ System-Monitored Quality: The entire manufacturing process is governed by our certified ISO 9001:2015 quality management system.
Product Specifications
| Parameter | Details |
| Product Type | High Voltage Switchgear PT Trolley Chassis |
| Application | High, medium, and low-voltage switchgear accessories |
| Material | Industrial-Grade Steel (Cold-rolled, Stainless) |
| Surface Treatment | Powder Coating (C4/C5 capable), Electrophoresis, or Galvanizing |
| Typical Thickness | 2.0mm – 4.0mm (Customizable) |
| Manufacturing Accuracy | ±0.1 mm CNC fabrication tolerance |
| Key Processes | Laser Cutting, CNC Punching, CNC Bending, Robotic Welding |
Applications
This PT trolley chassis is an essential service component for the safe and efficient maintenance of electrical distribution systems. It is specifically designed for use in:
Manufacturing & Quality Assurance
All products are manufactured in our 30,000㎡ sheet metal facility equipped with advanced CNC punching, AMADA fiber laser cutting, automated welding robots, and automatic powder coating lines. Strict quality control is implemented under ISO9001 and ISO14001 management systems.
Company Strength
Xiamen Huapusheng Sheet Metal Manufacturing Co., Ltd. specializes in power control equipment and precision sheet metal fabrication. With 200+ employees, 36 engineers, and 32 patents, we serve global clients in the power, communication, and industrial sectors.

Customer Cases
We are a trusted OEM partner for global leaders across multiple industries, providing reliable components for their mission-critical applications.

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