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Sourced directly from a premier manufacturer and supplier, the XLDMC Busbar Joint Insulation Plate is engineered for superior copper joint isolation within complex busduct systems. Designed to prevent electrical leakage and ensure seamless power distribution, this essential component offers unmatched reliability for large-scale electrical installations.
High-grade DMC composite construction
Exceptional dielectric strength and arc resistance
Precision-molded for exact dimensional tolerances
Available in comprehensive X=122 and X=130 series
The XLDMC Busbar Joint Insulation Plate for Copper Joint represents the pinnacle of electrical isolation technology, meticulously crafted to safeguard your high-capacity power distribution networks. When handling these plates, you immediately notice the dense, robust feel of the Dough Molding Compound (DMC), a testament to its structural integrity. The surface finish is remarkably smooth to the touch, free from any micro-abrasions or burrs, ensuring that it sits perfectly flush against copper busbars without causing friction or wear over time. Visually, the stark, clean white profile of the insulation separator plates conveys a sense of industrial purity and precision engineering.
In the demanding environment of power transmission, where thermal expansion and heavy electrical loads are constant, these plates perform silently yet flawlessly. They form an impenetrable barrier between conductive copper joints, effectively eliminating the risk of phase-to-phase short circuits. The rigid, non-porous structure resists moisture ingress and environmental degradation, meaning there is no faint odor of ozone or burning plastic even under peak load conditions. By integrating these isolators into your busduct systems, you are not merely purchasing a component; you are investing in decades of uninterrupted, safe electrical flow, drastically reducing maintenance downtime and protecting your critical infrastructure.
The following tables detail the exact dimensional parameters and hole configurations for the X=122 and X=130 series insulation plates. These precise measurements guarantee seamless integration into your specific busway architecture.
| Product Model | Hole Nos | Distance Between Holes |
|---|---|---|
| X=50 | 1 | |
| X=65 | 1 | |
| X=85 | 1 | |
| X=90 | 1 | |
| X=105 | 1 | |
| X=120 | 1 | |
| X=140 | 1 | |
| X=150 | 2 | 80(RU) |
| X=160 | 1 | |
| X=190 | 1 | |
| X=205 | 3 | 80(RU) |
| X=210 | 2 | 105 |
| X=230 | 2 | 115 |
| X=250 | 2 | 125 |
| X=255 | 3 | 85 |
| X=310 | 2 | 169 |
| X=350 | 2 | 189 |
| X=390 | 2 | 209 |
| X=450 | 4 | 95 |
| X=490 | 4 | B=105 C=154(Middle) |
| X=658 | 6 | B=90(Middle) C=139(Edge) |
| X=688 | 6 | B=100(Middle) C=150(Edge) |
| Product Model | Hole Nos | Distance Between Holes |
|---|---|---|
| X=50 | 1 | |
| X=60 | 1 | |
| X=80 | 1 | |
| X=95 | 1 | |
| X=110 | 1 | |
| X=120 | 1 | |
| X=125 | 1 | |
| X=145 | 1 | |
| X=160 | 1 | |
| X=180 | 2 | 90 |
| X=190 | 2 | 85 |
| X=200 | 2 | 100 |
| X=324 | 2 | 194 |
| X=344 | 2 | 204 |
| X=354 | 2 | 209 |
| X=394 | 2 | 229 |
| X=424 | 2 | 244 |
| X=464 | 4 | B=174 C=90 |
| X=484 | 4 | B=179 C=95 |
| X=504 | 4 | B=184 C=100 |
| X=623 | 6 | B=149 C=80 |
| X=648 | 6 | B=164 C=80 |
Upgrading your electrical infrastructure requires components that deliver uncompromising safety and operational efficiency. The XLDMC Busbar Joint Insulation Plate is engineered with specific features that translate directly into long-term stability and reduced operational risks for your power distribution networks.
Flawless Arc Interruption: The advanced composite material actively suppresses electrical arcing, protecting adjacent copper components from heat damage and extending the lifespan of the entire busduct joint.
Zero-Tolerance Fit: Manufactured using high-tonnage precision molding, each plate features exact hole alignments. This eliminates the need for on-site modifications, ensuring a perfect, tight fit that prevents micro-vibrations during operation.
Exceptional Thermal Stability: Designed to withstand the intense heat generated by continuous high-current flow. The plates maintain their rigid structure without softening, warping, or emitting hazardous fumes, ensuring consistent phase isolation.
Moisture and Contaminant Resistance: The dense, non-porous surface naturally repels ambient moisture and industrial dust, preventing the formation of conductive tracking paths that could lead to catastrophic system failures.
Streamlined Maintenance: By providing a reliable, degradation-resistant barrier, these plates drastically reduce the frequency of mandatory joint inspections and replacements, optimizing your facility's maintenance budget.
To meet the rigorous demands of modern high-capacity electrical engineering, these copper joint isolators are evaluated across six critical performance dimensions. Each aspect is optimized to secure your infrastructure against electrical, mechanical, and environmental stressors.
The core advantage lies in the utilization of high-performance DMC (Dough Molding Compound) and SMC composite materials. These advanced polymers deliver exceptionally high dielectric strength and arc resistance. By utilizing these plates, you effectively isolate copper joint connections, absolutely eliminating the risks of electrical leakage and short circuits within complex busway networks.
Flexibility in design is crucial for large-scale installations. We provide two primary standard series: X=122 and X=130, meticulously categorized into Middle and Edge plates. With configurations ranging from 1 to 6 holes and overall lengths spanning from 50mm to 688mm, the precise hole positioning guarantees seamless compatibility with both standardized and custom-engineered busduct assembly requirements.
Safety in high-current environments cannot be compromised. These plates strictly adhere to industrial-grade flame retardant standards, including UL94 V-0. When subjected to the high-temperature environments of fully loaded busway operations, the material remains structurally stable—it will not produce flaming drips or propagate fire, significantly elevating the overall fire safety rating of your facility.
Electrical joints are constantly subjected to physical stress. These insulation plates boast outstanding compressive, flexural, and impact resistance. They effortlessly absorb the stresses caused by thermal expansion and contraction, as well as mechanical vibrations during transport and active operation. This high dimensional stability prevents cracking and deformation, ensuring a long, maintenance-free service life.
Time on site equals money. Thanks to standardized die-casting processes, every product features flawlessly smooth edges and exceptionally tight hole-distance tolerances. Assembly crews can rapidly insert bolts and secure the joints with a true plug-and-play experience. This precision drastically accelerates the assembly speed of busbar joints, significantly reducing manual labor costs and project timelines.
Reliability is built on rigorous testing. Before leaving the facility, every batch undergoes severe power-frequency withstand voltage tests, insulation resistance evaluations, and high-precision dimensional calibrations. Fully compliant with general international and national electrical insulation standards (such as IEC/GB), these components provide a rock-solid quality endorsement for massive commercial complexes and heavy industrial plants.
Sourcing critical electrical infrastructure components requires a partner who understands the stakes of large-scale power distribution. We are dedicated to empowering your projects with components that guarantee safety, compliance, and long-term operational excellence. Here is why industry leaders trust our manufacturing capabilities.
Uncompromising Material Integrity: We source only premium-grade resins and compounds, ensuring that every batch of insulation plates delivers consistent, top-tier dielectric performance without batch-to-batch variation.
Scalable Production Capacity: Whether you are outfitting a single commercial high-rise or a sprawling industrial campus, our advanced molding facilities can fulfill massive volume requirements while strictly adhering to your project deadlines.
Stringent Factory Testing: Our in-house testing laboratories subject every product line to extreme thermal, electrical, and mechanical stress tests, ensuring that what arrives at your site is ready for immediate, flawless deployment.
Engineering Support: We provide comprehensive technical data and dimensional guidance, assisting your engineering teams in selecting the exact specifications required for your unique busduct architecture.
Global Compliance: Our manufacturing processes align with the most rigorous international quality and safety management systems, mitigating compliance risks for your global engineering projects.
To assist your engineering and procurement teams in making informed decisions, we have compiled answers to the most technical inquiries regarding our busbar joint insulation plates.
DMC (Dough Molding Compound) is a thermosetting polymer reinforced with fiberglass. Unlike standard thermoplastics, it does not melt under high heat. It offers vastly superior dielectric strength, exceptional dimensional stability under thermal stress, and high resistance to electrical tracking and arcing, making it the premier choice for high-voltage busduct joints.
The choice between the X=122 and X=130 series depends entirely on the cross-sectional dimensions and the specific joint architecture of your existing copper busbars. The "X" value corresponds to the width profile of the busway housing and the corresponding copper alignment. You should consult your busduct system's engineering schematics to match the exact dimensional series.
Yes. The composite material is specifically engineered with a coefficient of thermal expansion that accommodates the natural heating and cooling cycles of conductive copper. This prevents the plates from cracking or warping when the busbars expand under heavy electrical loads.
No specialized tools are required. The plates are manufactured with precise hole tolerances designed to align perfectly with standard joint bolts. Installers simply slide the plates between the copper phases and secure them using standard torque wrenches according to your system's torque specifications.
While the DMC material is inherently non-porous and highly resistant to moisture absorption, the overall suitability for outdoor use depends on the IP rating of the external busduct enclosure. The plates themselves will not degrade from ambient humidity, but they are designed to operate within the protective housing of the busway system.
When installed correctly within specified electrical and environmental parameters, these insulation plates are designed to match or exceed the operational lifespan of the busduct system itself, typically spanning several decades without the need for replacement.
