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The DMC electrical insulating separator plate serves as an indispensable isolation component, meticulously engineered for the complex demands of compact busbar joints. Manufactured through an advanced precision compression molding process, this product utilizes premium Dough Molding Compound (DMC)—a thermosetting polymer known for its extraordinary physical and electrical properties. When handling these separator plates, installation teams will immediately note their substantial, rigid composition and exceptionally smooth, non-porous surface finish. This specific tactile quality is not merely aesthetic; the dense surface structure actively repels moisture and dust accumulation, which directly enhances the component's anti-tracking capabilities in real-world environments.
At the core of its value proposition is its unparalleled electrical insulation performance. The specialized DMC formulation delivers a remarkably high dielectric strength, establishing an impenetrable barrier that effectively prevents phase-to-phase short circuits within densely packed power distribution systems. In high-voltage environments where operational safety is the ultimate priority, this insulation plate acts as a steadfast safeguard. It features a superior Comparative Tracking Index (CTI) and achieves the industry’s most rigorous flame retardant ratings, including the UL94 V-0 standard. Consequently, even in the event of an unexpected electrical fault, severe arc flash, or localized thermal spike, the material actively resists ignition, self-extinguishes rapidly, and prevents the propagation of fire, thereby protecting critical infrastructure and personnel.
Furthermore, exceptional thermal and environmental stability is vital for continuous power transmission. Compact busbar systems frequently operate under heavy electrical loads, naturally generating significant and sustained heat. While conventional thermoplastic insulators may warp, soften, or suffer from accelerated degradation under such thermal stress, our DMC insulation plate is chemically cross-linked to provide outstanding high-temperature aging resistance. It maintains its exact rigid form, structural integrity, and full dielectric isolation capabilities without becoming brittle or experiencing any performance attenuation. This ensures decades of reliable, maintenance-free service even in the most demanding industrial power networks.
Achieving a flawless, secure fit within a high-capacity compact busbar system requires absolute dimensional precision. Every single millimeter matters when aligning heavy copper or aluminum conductors, which is why our DMC electrical insulating separator plates are manufactured using highly accurate, precision-machined steel molds. This exacting production methodology guarantees that each separator plate aligns perfectly with the joint components, completely eliminating microscopic gaps or misalignments that could compromise the electrical isolation barrier or create dangerous localized hot spots. The tactile rigidity of the plate ensures it will not flex or bend during the heavy mechanical clamping required during joint assembly.
To accommodate the incredibly diverse engineering requirements of modern power distribution networks, we provide an extensive and highly detailed array of hole configurations, spacing measurements, and specific structural geometries. The comprehensive technical parameters detailed in the matrix below outline the exact X, B, and C values available for both middle and edge insulation plates. Whether you are constructing a standardized commercial electrical framework, upgrading an aging power grid, or designing a highly customized industrial distribution system, this vast selection ensures a precise, drop-in integration for your specific joint architecture.
Carefully reviewing these parameters is crucial for optimizing system performance. The exact distance between holes dictates how the physical load is distributed across the joint, directly impacting the long-term mechanical stability of the busbar under heavy vibratory conditions. Please consult the specific hole numbers, spacing metrics, and edge/middle designations below to select the precise model that matches your structural and electrical requirements.
Product | Model | Hole Nos | Distance Between Holes |
X=122
Insulation Plate (Middle, Edge) X=122
| 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(中Middle) C=139（Edge） | |
X=688 | 6 | B=100(中Middle) C=150(Edge) | |
X=130
Insulation Plate (Middle, Edge) X=130
| 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 |
Reliability in critical electrical infrastructure cannot be left to chance. Therefore, every single DMC insulating separator plate undergoes a rigorous, multi-stage quality control and assurance protocol before it is approved for field deployment. We understand that procurement teams, facility managers, and project engineers require components that consistently meet or exceed stringent international standards, including comprehensive IEC specifications for electrical insulation materials.
Our advanced testing laboratories subject these plates to severe mechanical tensile stress tests to simulate the intense clamping forces experienced during installation. Furthermore, each batch undergoes high-voltage dielectric breakdown evaluations and controlled flame exposure assessments to verify their UL94 V-0 capabilities. This uncompromising, data-driven approach to quality assurance guarantees that every piece delivered will provide consistent, fail-safe performance under the most extreme and unpredictable operational conditions.
