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Help CenterSolar Inverter Enclosure Sheet Metal Fabrication in Aluminum and Galvanized Steel
Product Spotlights
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Product Spotlights
Solar inverter enclosures are fabricated in aluminum for wall-mounted walls and galvanized steel for bases and brackets, with sheet from 0.3 to 6.0 mm selected per load rather than per convenience. Heat sink mounting faces and louvered vents are laser cut and punched to ±0.05 mm standard tolerance, and bending sequences are planned so power electronics mounting faces stay flat after forming. Louver vents are formed without separate grille parts, cutting assembly steps at the inverter plant, and gland plates for DC and AC cable entries are cut without tooling so connector layouts can change between builds. Enclosure sets ship powder coated in one batch, with MOQ 1 piece negotiable for pilot builds.
Key Features
Aluminum walls, steel base split ★ — Wall-mounted inverter walls stay light in aluminum while bases and brackets carry loads in galvanized steel, each material where it earns its cost.
Louvered vents formed, not assembled — Vents are louver-formed in the panel itself, removing grille parts and fasteners from inverter assembly.
Flat mounting faces after bending ★ — Bending sequence is planned around heat sink and driver board faces so power electronics mount without shimming.
±0.05 mm hole pattern tolerance ★ — PCB standoffs, gland plates and display cutouts land where the electronics layout expects them.
Tool-free gland plate revisions ★ — Cable entry layouts are laser cut, so connector changes between inverter builds do not wait on tooling.
One-batch powder coating — Walls, base and brackets are coated together for matched color and texture across the enclosure.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| Material | Aluminum, galvanized steel; stainless optional ★ |
| Sheet Thickness | 0.3 - 6.0 mm, per drawing ★ |
| Process | Laser cutting, punching, bending, welding, powder coating ★ |
| Tolerance | ±0.05 mm standard; tighter tolerances discussable ★ |
| Formed Features | Louvered vents, offsets, stiffening ribs |
| Surface Finish | Powder coating; color and texture per drawing ★ |
| Equipment | Presses 25T - 500T, 100+ sets of stamping machinery ★ |
| MOQ | 1 Piece (negotiable for pilot builds) ★ |
| Lead Time | 15 - 30 working days after sample approval ★ |
| Port of Shipment | Tianjin / Qinhuangdao ★ |
Typical Applications
Wall-mounted solar inverter enclosure walls and doors
Inverter base frames and wall brackets
PV combiner box and string monitor enclosures
Outdoor PV equipment gland plates and vent panels
Energy storage cabinet internal mounting sheets
Why Choose Us
Inverter enclosures carry both an electronics problem and an outdoor problem: heat sink faces must stay flat through fabrication, and walls must survive years of sun and rain. Planning bend sequences around the electronics mounting faces and coating the set in one batch addresses both on the same line. Aluminum keeps wall weight down for installers lifting the unit onto a wall, while the galvanized base absorbs the loads the wall does not. Louvers formed in the panel reduce part count at the inverter plant, and laser-cut gland plates keep cable entry layouts adjustable across builds — the combination that matches how inverter designs actually iterate ★.
### Company Profile
Cangzhou Honglang Hardware Manufacturing Co., Ltd. was established in 2017 and operates a 3,000-5,000 square meter factory with 51-100 employees, including 5-10 quality inspectors. Quality system: ISO 9001 (No. GH003-2023Q0664) and IATF 16949 (No. 130220/A/0001/SM/ZH). Equipment: 100+ sets of stamping machinery with presses from 25T to 500T, plus in-house die design and die manufacturing; processes cover laser cutting, stamping, bending, tapping, welding, deep drawing and CNC. Nearly 1,000 part types are produced for new energy, power supply, telecom, automotive, central HVAC, wind power and electronics industries, exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East and Western Europe. Send your drawing or sample for a fabrication and quotation review.
### FAQ
1. Can you fabricate inverter enclosures from our drawings?
Yes. We work from PDF drawings, 2D/3D CAD files or samples. Please indicate material split between aluminum and steel, vent positions and mounting face flatness requirements.
2. What is the MOQ?
MOQ is 1 piece, negotiable depending on order volume — suitable for inverter pilot builds.
3. Can samples be provided before mass fabrication?
Yes. Sample enclosure sets are produced for electronics fitment before mass fabrication.
4. Can you form louvered vents in the panel?
Yes. Louvers are formed in the panel without separate grille parts.
5. Can gland plate layouts be revised between builds?
Yes. Gland plates are laser cut, so cable entry changes do not require tooling.
6. What tolerance can you hold?
±0.05 mm standard; tighter tolerances are discussable depending on the feature and thickness.
7. How is flatness of mounting faces controlled?
Bend sequences are planned around electronics faces, and flatness is checked against the drawing during production.
8. What is the lead time?
15-30 working days after sample approval; delivery time depends on order quantity.
9. Do you support ODM and OEM?
Yes. Both ODM and OEM are supported, from single panels to complete enclosure sets.
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