
Comprehensive range of GPO-3 insulation structural components available in sheets, machined parts, and custom-fabricated assemblies. We provide a full-service solution from material selection through design consultation, prototyping, and volume production. Our GPO-3 products serve diverse sectors including power distribution, renewable energy, rail transit, and general industrial electrical systems, helping customers enhance equipment safety, reliability, and service life.
Lead Time
15-25 Days
MOQ
100 pieces
Sample
Available
| Parameter | Value |
|---|---|
| Standard | NEMA GPO-3 / UL 94 V-0 |
| Material | Glass Mat Reinforced Polyester |
| Forms Available | Sheet / Rod / Angle / Channel / Custom |
| Sheet Thickness | 1.0 – 50.0 mm |
| Max Sheet Size | 1220 × 2440 mm |
| Color | Red (standard) / Custom |
| Certification | UL, NEMA, RoHS compliant |
| Packaging | Wooden crate / Pallet (export standard) |
We offer a wide range of standard sizes and specifications. Custom dimensions, materials, and finishes are available upon request.
NEMA-grade GPO-3 laminate sheets sourced from certified manufacturers
CAD/CAM programming for precision cutting, drilling, and milling operations
Multi-axis CNC machining centers for complex insulation part geometries
Deburring, edge chamfering, and surface treatment for optimal electrical performance
Dielectric strength, insulation resistance, and arc resistance verification
Dust-free packaging to maintain surface cleanliness for electrical applications
We specialize in custom-machined electrical insulation components from GPO-3, FR4, G10, and other laminate materials. Our CNC machining capabilities allow us to produce complex insulation parts to your exact specifications.
| Minimum Order Quantity | 100 pieces |
| Lead Time | Standard sheets: 3-5 days | Custom machined: 10-15 days |
| Sample Availability | Samples available within 5-7 days; material samples free of charge |
| Payment Terms | T/T, L/C, Western Union |
| Trade Terms | FOB, CIF, DDP, EXW |
Insulation products require careful handling to prevent surface contamination and mechanical damage.
Loading Ports: Shanghai Port, Ningbo Port
Our insulation products undergo comprehensive electrical and mechanical testing to ensure they meet NEMA and IEC standards.
Incoming laminate sheets verified against NEMA/IEC specifications
CNC-machined parts measured with CMM for critical dimensions
Dielectric strength, insulation resistance, and arc resistance testing
Surface quality, edge finish, and contamination check under magnification
Complete test reports, material certificates, and certificates of conformance
Factory Area
5,000 m²
Export Markets
50+ Countries
Experience
15+ Years
Annual Capacity
2,000,000 pcs
Interested in GPO-3 Custom Insulation Structural Components? Fill out the form below and our sales team will respond within 24 hours with pricing, specifications, and lead time information.

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