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    High-voltage current-limiting fuses are critical protection devices designed to safeguard electrical equipment from overcurrents and short circuits. They operate by rapidly interrupting excessive currents, ensuring the safety and reliability of power systems.     High Voltage Fuse
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    Our High-Voltage Protection and Detection Series offers a comprehensive range of devices designed to ensure the safe and reliable operation of high-voltage electrical systems up to 40.5kV.     Switchgear Protection
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    We offer fully sealed oil-immersed transformers and epoxy resin cast dry-type transformers, both of which combine excellent electrical performance with long-term operational stability, are capable of operating reliably under a wide range of demanding conditions, and fully meet the varying requirements for reliability and environmental adaptability in power distribution and various industrial applications.     Transformer Series
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    FUYI is also a leading manufacturer of medium and high voltage cable connectors and accessories for power distribution applications. Our product range includes single-phase or three-phase insulated cable connections to equipment such as transformers, switchgear, and branch boxes via premoulded connectors.     European Cable Termination
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Contact Box

APG epoxy contact boxes for switchgear transitions – premium branded resin, 6S workshop, short lead times for large volumes.

  • Automatic Pressure Gelation (APG) process ensures void-free insulation and stable connection for switch truck transitions.
  • Strict 6S workshop management and state-of-the-art equipment enable reliable quality and fast delivery even for bulk orders.
  • Custom shielding options and current ratings (630A–4000A) to fit KYN28, KYN61, and JYN2 switchgear.
CATEGORIES
Insulation Parts
CT/PT Transformers
Surger Arresters
Medium Voltage Fuse
Switchgear Contacts
Cable Accessories
Switchgear Protection
Switchgear Devices
Transformer Series
European Cable Termination
Post Insulator Wall Bushing Plug-in Bushing Contact Box
Current Transformer Potential Transformer
Lightning Arrester Over Voltage Protector
Fixed Contact Tulip Contact Contact Arm Flat Contact
Auxiliary Switch Cable Clamp
Indoor Disconnectors Load Switches Vacuum Circuit Breakers Fully Enclosed Gas-Insulated Switchgear Box Type Outdoor Prefabricated Substation High Voltage Switchgear Series Low Voltage Switchgear Series
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Bent Plate Baffle Plate 40.5kV – For KYN61 Switchgear
WB-40.5/80 140
Bent Plate Baffle Plate 40.5kV – For KYN61 Switchgear
High Voltage 40.5kV Switch Cabinet Bending Plate –(ABB)
WB-40.5kV FYABB
High Voltage 40.5kV Switch Cabinet Bending Plate –(ABB)
40.5kV insulated high voltage contact box –(ABB)
CH3-40.5kV FYABB
40.5kV insulated high voltage contact box –(ABB)
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Switchgear Insulation Contact Box Supplier

As a professional contact box supplier, FUYI utilizes premium branded epoxy and advanced APG technology to ensure superior insulation performance and connection reliability. With state-of-the-art manufacturing equipment and strict 6S workshop management, we are able to guarantee short lead times even for large volume orders of quality contact boxes.

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FAQ Related To Insulators
Can your contact boxes be equipped with shielding? Expand
Yes. Shielding is available for all our contact box models to improve electric field distribution and reduce partial discharge.
What cabinet types are your contact boxes compatible with? Expand
Our CH3-24kV series is designed for centrally installed switchgear (KYN28). The CH3-40.5 series is for KYN61. JYN2-10Q is for JYN2 cabinets.
Do you offer matching contacts and contact arms? Expand
Yes. We can supply complete sets including contact boxes, tulip contacts, and contact arms as a matched system.
LATEST EVENTS AND BLOG
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How to Set Up a Medium Voltage Current Transformer for Metering?
Step-by-step guide to correctly install and wire a medium voltage current transformer for revenue metering. Covers ratio...
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How Often to Inspect Switchgear Contacts for Heat and Corrosion?
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How Often to Inspect Switchgear Contacts for Heat and Corrosion?
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OEM/ODM & Quality Control
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OEM/ODM & Quality Control
Standard components don't always fit every application. Non-standard insulator heights, special transformer ratios, cust...
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select the right model and install with confidence.
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  • Fast Response – 24-hour reply to your inquiries, samples in 7-15 days
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25+ years as a manufacturer focused on medium & high voltage switchgear components.
PRODUCT CATEGORIES
  • Insulation Parts
  • CT/PT Transformers
  • Surger Arresters
  • Medium Voltage Fuse
  • Switchgear Contacts
  • Cable Accessories
  • Switchgear Protection
  • Switchgear Devices
  • Transformer Series
  • European Cable Termination
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No.151, Jingliu Road, Yueqing Economic Development Zone, Zhejiang province, China
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yana@fuyiswitch.com
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+86-13968706570
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