High Precision Custom Injection Molded 1*4 PMMA Material Terminal Block

Elevate your electrical systems with our Custom PMMA 4-Way Terminal Block — a precision-engineered component manufactured through advanced injection molding. Designed for applications requiring both visual clarity and mechanical reliability, this terminal block combines the optical transparency of PMMA (acrylic) with the consistency of mold-formed production. Whether for prototyping or high-volume manufacturing, our process ensures every unit meets your exact specifications.
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  • yixun

  • yixunmold

  • 3926909090

Elevate your electrical systems with our Custom PMMA 4-Way Terminal Block — a precision-engineered component manufactured through advanced injection molding. Designed for applications requiring both visual clarity and mechanical reliability, this terminal block combines the optical transparency of PMMA (acrylic) with the consistency of mold-formed production. Whether for prototyping or high-volume manufacturing, our process ensures every unit meets your exact specifications.

Why Injection Molding Matters

Our terminal blocks are not assembled or machined — they are injection molded from a single piece of PMMA, delivering critical advantages:
  • Dimensional Precision: Tight tolerances (±0.1mm) ensure perfect fitment in your assembly, with consistent pin spacing, housing geometry, and screw thread alignment across every production run.

  • Structural Integrity: The molding process creates a seamless, void-free housing with uniform wall thickness, eliminating weak points and enhancing durability under vibration or thermal cycling.

  • Scalability & Repeatability: Once your custom mold is created, we can produce thousands of identical units with zero variation — ideal for projects requiring long-term supply chain stability.

  • Complex Geometry Made Simple: Injection molding allows us to integrate features like snap-fit clips, cable strain relief channels, or custom labeling areas directly into the housing — features impossible with traditional fabrication.

Material: High-Clarity PMMA (Acrylic)

  • Optical Transparency: See every wire connection clearly for quick inspection and error-free installation.

  • High Dielectric Strength: Excellent electrical insulation properties for safe operation up to 600V.

  • UV & Chemical Resistance: Maintains clarity and mechanical properties in harsh environments.

Customization Capabilities

We don’t just sell parts — we co-engineer solutions. Your custom terminal block can include:
  • 4-Way Configuration: Standard 4-pin layout, or modify to 3, 5, or 6-way as needed.

  • Custom Pin Spacing: Adjust pitch from 3.5mm to 10mm to match your PCB or wiring harness.

  • Integrated Features: Add mounting tabs, locking mechanisms, or color-coding inserts during molding.

  • Branding & Marking: Mold in your logo, part number, or polarity indicators directly into the housing.

Quality Assurance

Every mold undergoes rigorous validation:
  • First Article Inspection (FAI): Full dimensional report against your CAD model.

  • Material Certification: Traceable PMMA resin with UL 94 V-0 flammability rating.

  • Functional Testing: 100% electrical continuity and insulation resistance testing on sample batches.

Applications

Ideal for:
  • Medical device wiring harnesses

  • Laboratory instrumentation

  • LED lighting control panels

  • Consumer electronics with visible internal components

  • Educational or demonstration equipment

Why Choose Us?

“We don’t just mold plastic — we mold your vision into reality.”
  • In-House Mold Design & Manufacturing: Control every step from CAD to production.

  • Rapid Prototyping: Get functional samples in 7-10 days.

  • Low MOQs for Custom Projects: Start with as few as 500 units.

  • Full Documentation: Provide mold flow analysis, material datasheets, and compliance certificates.

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Yixun is the China first generation mold maker, specialize in mold and moulding, provide one-stop plastic manufacturing service, feature in building medical and healthcare device tooling.
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