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OEM Switchgear Components Manufacturer

MV Switchgear Parts & Epoxy Insulation Components

XBRELE manufactures precision-engineered Switchgear Parts for 12kV-40.5kV power systems. We supply the critical insulation backbone for KYN28, XGN, and GIS panels, ensuring seamless integration and IEC compliance.

Featuring advanced APG Technology and strict X-Ray Flaw Detection, our components deliver superior dielectric strength and zero partial discharge reliability.

Manufacturing & Quality Standards

Engineered for KYN28 & GIS Panel Reliability

XBRELE supplies the critical “passive ecosystem” for Medium Voltage power distribution. From the insulation backbone to the conductive core, our components are precision-molded to withstand the rigors of 12kV–40.5kV networks.

Quality starts with material science. We utilize international advanced APG (Automatic Pressure Gelation) technology for all Epoxy Contact Boxes and bushings, ensuring bubble-free insulation with superior dielectric strength. Every batch undergoes rigorous X-Ray flaw detection and Partial Discharge (PD) testing to guarantee zero internal defects.

Our mechanical portfolio is equally robust. Designed to integrate seamlessly with Vacuum Circuit Breakers, our high-purity T2 Copper Contacts feature thick silver plating for minimal resistance. Additionally, our snap-action JN15 Earthing Switches provide reliable safety grounding, fully compliant with IEC 60694 standards.

Technical Specifications

High-Performance Switchgear Parts & Technical Standards

As a dedicated manufacturer, XBRELE produces precision-engineered MV Switchgear Components designed to exceed IEC 60694 requirements. By combining high-purity materials with advanced APG molding, we deliver parts that ensure the long-term safety and stability of KYN28 and GIS distribution panels.

  • Epoxy Insulator Technology: All Contact Boxes utilize the advanced APG process. This Epoxy Insulator structure ensures high impact resistance and minimizes partial discharge (≤ 3pC).
  • Conductive Precision: Our primary Vacuum Circuit Breaker Parts are machined from 99.9% T2 Copper. This includes the silver-plated Tulip Contact series, designed to lower contact resistance and reduce temperature rise.
  • Short-Circuit Safety: The JN15 Earthing Switch features a robust snap-action mechanism, capable of withstanding peak making currents up to 80kA for maximum operator safety.
  • Environmental Durability: All components are tested for operation in harsh conditions, supporting ambient temperatures from -10°C to +40°C.
Industry Applications

Critical Components for Every Cabinet Type

From air-insulated KYN28 panels to gas-insulated RMUs, XBRELE supplies the essential insulation and mechanical backbone. Our parts are dimensionally compatible with ABB, Siemens, and Schneider equivalent switchgear designs.

KYN28 & UniGear Panels

The primary application for our CH3 Contact Boxes and TG3 Wall Bushings. We provide the complete insulation kit for 12kV/24kV withdrawable switchgear, ensuring perfect alignment for VCB handcarts.

Ring Main Units (RMU)

Specialized components for gas-insulated switchgear. Including FLN36 Load Break Switches, gas-tight bushings, and cable accessories designed for compact, sealed SF6 environments.

Substation Safety

Essential safety mechanisms for power distribution stations. Our JN15 Earthing Switches and DXN Voltage Indicators provide critical protection for maintenance personnel during outages.

Retrofit & Spares

High-purity Tulip Contacts and Copper Arms for upgrading or repairing existing circuit breakers. We offer custom dimensions to replace legacy components in aging switchgear.

Why Choose XBRELE

Precision Manufacturing for Panel Builders

XBRELE is not just a parts supplier; we are an OEM partner. From raw material selection to final testing, we control every step to ensure your KYN28 and GIS switchgear meets global reliability standards.

Advanced APG Technology

We utilize international advanced epoxy resin automatic pressure gelation (APG) machines. This ensures bubble-free insulation, high mechanical strength, and zero partial discharge for all contact boxes and bushings.

100% Quality Verification

Quality is verified, not assumed. Our facility is equipped with X-Ray flaw detectors, shielding partial discharge test rooms, and high-low temperature test units to guarantee defect-free delivery.

Premium Materials

We use only high-purity T2 Copper for conductive arms and tulip contacts, enhanced with thick silver plating. This minimizes contact resistance and ensures stable temperature rise performance under load.

One-Stop Sourcing

Simplify your supply chain. We provide the complete passive ecosystem for switchgear assembly—from insulation (insulators, spouts) to mechanisms (earthing switches, locks)—all from a single ISO-certified source.

Technical FAQ

Common Questions on Switchgear Components

Expert answers regarding insulation, earthing, and assembly for KYN28 & GIS panels.

What is the difference between JN15 and JN22 earthing switches?
JN15 is the industry-standard indoor earthing switch designed for 12kV and 24kV systems (compatible with KYN28 panels). JN22 is built for higher voltage applications, specifically 40.5kV heavy-duty switchgear. Both feature high-speed snap-action mechanisms for safe fault-making capacity.
Why is APG technology critical for epoxy contact boxes?
APG (Automatic Pressure Gelation) ensures that the epoxy resin is cast without air bubbles or shrinkage voids. This is critical for maintaining high dielectric strength and achieving partial discharge levels ≤ 3pC, preventing internal insulation failure over long-term operation.
Can I customize the dimensions of contact boxes or bushings?
Yes. While we stock standard CH3 series sizes (e.g., 150mm/210mm/275mm phase spacing), we offer OEM customization for spout openings, mounting holes, and height to fit retrofitted or non-standard switchgear panels.
Do you supply spare contacts for VCB maintenance?
Absolutely. We manufacture high-purity silver-plated Tulip Contacts (moving contacts) and Copper Arms suitable for VS1, VD4, and ZN85 vacuum circuit breakers. These are direct replacements for worn contacts during maintenance cycles.
What testing standards do your components meet?
Our switchgear parts are manufactured and tested in accordance with IEC 60694 (Common Specifications for HV Switchgear) and GB 1985 (HV Disconnectors and Earthing Switches). We perform routine X-Ray flaw detection and power frequency withstand voltage tests on every batch.
Need specific dimensions or a catalog? Contact our engineering team for instant support.