Contact Box Manufacturer | 10-40.5kV APG Epoxy

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.

CH3-10Q/150

Medium Voltage Indoor Epoxy Resin Contact Box 10kV– 630-1250A

CH3-10Q/180

Medium Voltage Indoor Epoxy Resin Contact Box 10kV – 1250A

CH3-10Q/190

Medium Voltage Indoor Epoxy Resin Contact Box 10kV– 1600A

CH3-10Q/208

Medium Voltage Indoor Epoxy Resin Contact Box 10kV – 1600~2000A

CH3-10Q/250

Medium Voltage Indoor Epoxy Resin Contact Box 10kV – 2500~3150A

CH3-10Q/230

Medium Voltage Indoor Epoxy Resin Contact Box 10kV– 4000A

CH3-24kV/225

Medium Voltage Indoor Epoxy Resin Contact Box 24kV– 630~1600A

CH3-24kV/250

Medium Voltage Indoor Epoxy Resin Contact Box 24kV – 2000~2500A

CH3-24kV/252

Medium Voltage Indoor Epoxy Resin Contact Box 24kV – 3150~4000A

CH3-40.5kV/660-II (Improved Type)

Improved Shielding Contact Box 40.5kV– Two-Way for KYN61

CH3-40.5kV/660-III (Improved Type)

Improved Shielding Contact Box 40.5kV – Three-Way for KYN61

WB-40.5/60 80

High Voltage Baffle Plate Bending Plate – For KYN61 Switchgear

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.

Resources

Access Fuyi's technical documentation and FAQs to help you quickly select the right model and install with confidence.

Product Catalog

OEM Services

FAQ Related To Insulators

Can your contact boxes be equipped with shielding?

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?

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?

Yes. We can supply complete sets including contact boxes, tulip contacts, and contact arms as a matched system.

LATEST EVENTS AND BLOG

News

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...

1970-01-01

News

How Often to Inspect Switchgear Contacts for Heat and Corrosion?

Discover how often to inspect switchgear contacts for heat and corrosion based on operating environment, load, and criti...

1970-01-01

News

OEM/ODM & Quality Control

Standard components don't always fit every application. Non-standard insulator heights, special transformer ratios, cust...

1970-01-01

CONNECT WITH OUR EXPERTS

Access Fuyi's technical documentation and FAQs to help you quickly
select the right model and install with confidence.

Engineering Support – Drawing review, material selection, design optimization
Technical Guidance – Product selection, compatibility checking, application advice
Fast Response – 24-hour reply to your inquiries, samples in 7-15 days

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