The PV Inverter Sheet Metal Enclosure is the core load-bearing sheet-metal enclosure designed to house components such as power modules, main control boards, terminal blocks, and heat dissipation assemblies. It features robust mechanical strength, effective heat dissipation and ventilation, electromagnetic shielding, dust and vibration resistance, and suitability for centralized/string PV power plants, commercial and industrial distributed PV systems, and energy storage inverter equipment. It supports OEM/ODM customization and is designed for both indoor cabinet installation and diverse outdoor operating conditions.
Item No :
PSMFP-0006Order(MOQ) :
1Payment :
50% T/T in advance, Balance paid again when finishing production and before shipmentProduct Origin :
XiamenColor :
RAL、PANTONE、GSB05···Custom colorsShipping Port :
Xiamen Port,ChinaLead Time :
20-30daysWeight :
As per product's size and thickness and materials.PV Inverter Sheet Metal Enclosure
Product Description: String inverter enclosure, PV grid-tied inverter housing, PV inverter
Model: OEM/ODM
Base Materials: Hot-dip galvanized steel sheet, cold-rolled steel sheet (SPCC), aluminum alloy sheet, Al-Zn coated sheet
Manufacturing Process:
1. Material Cutting: Cutting sheets to standard dimensions using CNC shearing machines;
2. CNC Punching / Laser Cutting: Machining of oval display cutouts, cable entry holes, screw mounting holes, and ventilation vents;
3. Press-fitting (Hardware Insertion): Press-fitting of nuts and studs;
4. Sheet Metal Bending: Integrated bending to form the enclosure sidewalls, door frame, and rounded corner profiles;
5. Welding: Spot welding or seamless full-seam welding of enclosure corners to ensure a watertight seal;
6. Grinding and Leveling: Grinding and polishing weld seams; removing burrs and sharp edges;
7. Surface Coating/Finishing;
8. Quality Inspection, Cleaning, and Packaging for Shipment;
Precision: Dimensional tolerances for length, width, and thickness: ±0.3–0.5 mm; positional tolerances for cutouts: ±0.2 mm; IP65 rating.
Surface Treatment:
1. Electrostatic powder coating (Colors: RAL, PANTONE, GSB05, or custom); features a thick, impact-resistant, UV-resistant, waterproof, and rust-proof finish suitable for outdoor use.
2. Liquid painting: Thinner coating, wide color range, lower cost; lower weather resistance compared to powder coating; typically used for indoor applications or short-term use.
3. Brushed stainless steel + passivation: For stainless steel substrates only; retains natural metallic texture; excellent corrosion resistance; ideal for coastal regions.
4. Anodizing (aluminum alloy enclosures): Exclusive to aluminum; offers wear resistance and good heat dissipation; used for lightweight, high-end charging station housings.
Unit Price: Quoted based on drawings.
Packaging:
1. Interior walls fully lined with EPE foam; extra cushioning and protection for cutouts and corners.
2. Desiccant included inside to prevent rust caused by condensation/moisture during ocean freight.
3. Entire unit wrapped in moisture-proof PE film.
4. Packed in heavy-duty export-grade corrugated cardboard boxes; reinforced with wooden corner protectors.
5. Large-volume palletized shipments: ISPM-15 heat-treated solid wood pallets secured with stretch wrap.
6. Large items/multiple units: Sealed packaging in fumigation-free plywood (IPPC-compliant) crates.
Logistics:
Sea freight, air freight, international express (DHL, FedEx, UPS, TNT), rail transport (primarily China-Europe freight trains), and road transport (short-haul cross-border trade with neighboring countries).
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