How do you prevent water ingress at cable entry points?

Cable entries use sealed glands with rubber grommets positioned at the bottom or side as specified, combined with internal drip channels to route condensation away from equipment.

CUSTOM-BUILT · MOQ 1 PIECE

Custom EV Charger Enclosure – Electrical Cabinet Supplier | OEM/ODM

Q: How do you quote? What are the payment terms?

Send your requirements and receive a factory-direct quotation within 24 hours. We accept T/T (30% deposit, 70% before shipment), and support FOB, CIF and DDP shipping terms.

Custom sheet metal, not off-the-shelf — built around your exact requirements.

Your RequirementsShare drawings, specs or hand sketches
Free DFM & CADProduction-ready drawings at no cost
Rapid PrototypingFirst sample ships in 7–10 days

As a professional sheet-metal manufacturer, we focus on
We provide full-range services including stamping, welding
Our heavy-duty housings deliver high-level protection for

✓ Free CAD design
✓ IP54–IP55
✓ ±0.1 mm tolerance
✓ ISO 9001 factory
✓ Quote in 24h

Submit Your Drawing Request a Quote Chat on WhatsApp

⚙

You Buy Manufacturing Capability, Not A Fixed Product

Every cabinet on this page was built for a specific project. Your dimensions, materials, protection grade, door layout and cable entries are all decided by you — we handle structure design, process planning, fabrication and testing. This page shows what we have done and what we can do for your project.

SPCC cold-rolled steel, 1.2–2.0mm thick
IP54–IP65 protection, salt-spray tested
Precision CNC bending, ±0.1mm tolerance
Full welding + powder coating finish
In-house tooling & stamping capability
One-stop: design → fabrication → assembly

Product Overview

About Our Custom Sheet Metal Solutions for New Energy

As a specialized custom sheet metal manufacturer deeply rooted in the new energy industry, we deliver comprehensive, end-to-end solutions for EV charger enclosures and hardware chassis components, engineered to meet the rigorous demands of global electric vehicle infrastructure projects.

With decades of combined expertise in precision stamping, CNC forming, automated powder coating, and custom fabrication, we have become a trusted partner for new energy equipment OEMs, system integrators, and engineering firms across North America, Europe, and Asia. Our work directly supports the rapid expansion of the global EV charging ecosystem.

Our Core Capabilities: Full-Cycle EV Charger Enclosure Manufacturing

We handle every stage of production in-house, from initial design consultation to final delivery, to ensure quality, consistency, and efficiency for your project.

🔧 Design & Prototyping

DFM (Design for Manufacturing) optimization to improve manufacturability and reduce costs
Rapid prototyping for validation and testing before full production
Support for custom cutouts, mounting points, and ventilation designs tailored to your charging module

📦 Enclosure Types We Specialize In

We fabricate durable enclosures for a wide range of charging applications, including:

AC wallboxes (residential & commercial)
DC fast chargers (Level 2 to Level 4)
Integrated charging station kiosks

Built to withstand harsh outdoor environments, extreme temperatures, UV exposure, and mechanical impact, our products meet IP54, IP55, and IP65 ingress protection standards for reliable, long-term performance in public, commercial, and residential installations.

🛡️ Premium Materials & Compliance

We use only high-quality, industry-approved materials:

Cold-rolled steel
Galvanized steel
304/316 stainless steel

Our enclosures support compliance with UL, CE, and RoHS certifications, helping you meet regulatory requirements for global market access.

Advanced Manufacturing & Finishing Capabilities

Our state-of-the-art facility is equipped with automated and precision machinery to ensure consistent quality and tight tolerances:

Automated stamping presses
CNC turret punch machines
Precision CNC press brakes
Robotic welding cells
Fully automated powder coating line

Key Processes We Offer:

Laser cutting and precision forming
Tight-tolerance stamping and bending
Robotic and manual welding
Electrostatic powder coating (custom RAL colors available, including textured, matte, and high-gloss finishes)
Passivation and zinc plating for corrosion resistance

All processes comply with international environmental standards, delivering durable, aesthetic, and functional surfaces that meet your exact specifications.

Customization & Engineering Support

We understand that every new energy project has unique requirements, which is why we offer fully customizable sheet metal solutions tailored to your design, dimensional, and performance needs.

Our dedicated engineering team works closely with you to:

Refine designs for manufacturability and cost efficiency
Optimize for space, heat dissipation, and component integration
Support compliance with global safety and performance standards

Whether you need:

A modified standard enclosure for a custom charging module
A fully bespoke chassis for a next-generation fast charger
A complete metal housing solution with integrated cutouts for connectors, displays, and ventilation

We leverage our deep sheet metal expertise to turn your concepts into production-ready components.

Quality & Reliability You Can Count On

We prioritize partnership and transparency at every stage, offering:

Dedicated account management for your project
Transparent production scheduling and updates
Flexible order fulfillment to align with your timelines and supply chain needs

From initial sample approval to on-time delivery of finished products, we maintain rigorous quality assurance protocols, including:

In-process inspections
Full dimensional verification
Final performance and durability testing

This commitment to quality has made us a preferred supplier for leading EV charging equipment brands worldwide.

Partner With Us for Your EV Charger Enclosure Project

Whether you are developing a new line of commercial charging stations, upgrading existing infrastructure, or seeking a reliable, cost-effective manufacturing partner for your sheet metal components, we bring the technical expertise, production capacity, and industry-specific knowledge to support your success in the fast-growing new energy sector.

✅ Ready to get started?

Contact our team today to discuss your project requirements, request a custom quote, or explore our full range of sheet metal fabrication services for EV charger enclosures and new energy hardware solutions.

[Contact Us Now] | [Request a Quote]

😩 Typical Buyer Pain Points

Enclosure not matching your charging module dimensions
Overheating inside sealed pile housings
Poor outdoor sealing causing PCB and connector failure
Vandalism and forced entry at public charging sites
Cable strain damaging entry points over time
Branding and finish looking generic, not premium

✅ How SanJun Solves Them

Enclosure engineered around your exact module layout
Validated thermal design with louvers and fan provisions
IP54–IP65 sealing verified before every shipment
Anti-theft locks, reinforced doors and tamper-resistant fixings
Reinforced cable glands and strain-relief structures
Custom branding, color matching and premium finishes

★ Our Core Advantage

Free Production-Ready CAD Design

No drawings? No problem. Send your power module specs — our engineers deliver manufacturable CAD drawings free of charge, saving you $500+ in third-party design fees and weeks of engineering time.

Get My Free CAD Design

MOQ 1Piece — Prototype Friendly

±0.1mmStandard Tolerance

7–10Days to First Prototype

ISO 9001Certified Factory Direct

What You Can Customize

📐Dimensions & Layout

Fully custom sizes matched to your power module, battery bank and maintenance clearance.

🧱Material & Thickness

SPCC, SGCC galvanized, SUS304 or Aluminum 5052; 1.0–3.0 mm per load and budget.

💧Protection Grade

IP54–IP55 sealing packages; upgraded gaskets and glands for harsher environments.

🚪Door & Access

Single / double / front-access / rear-access doors with custom locks and hinges.

🔌Cable Entry

Bottom or side entries, sealed gland positions and sizes to your wiring plan.

🌡️Thermal System

Vents, fans, heat exchangers or AC integration — engineered to your heat load.

Manufacturing Capability & Specifications

Custom EV Charging Pile Enclosure — Capability Range
Material Options	SPCC / SGCC galvanized steel / SUS304 stainless steel / Aluminum 5052
Thickness Range	1.2 – 3.0 mm (per pile rating & vandal resistance)
Protection Grade	IP54 – IP65 waterproof and dust-proof
Surface Treatment	Outdoor weather-resistant powder coating, 60 – 80 μm
Thermal Design	Ventilation louvers, fan mounts, heat dissipation channels
Cable Management	Cable gland entries, hooks, retractable reel mounts
Human Interface	Screen cutouts, card reader slots, emergency stop openings
Mounting	Floor-standing pedestal / wall-mounted / pole-mounted
Branding	Silk-screen, logo embossing, custom color matching
Packaging	Export-grade plywood case with anti-rust film

* All parameters are adjustable to your project. Contact us for a tailored engineering proposal.

How We Work With You — From RFQ to Delivery

Step 1 · 24hSend Requirements

Dimensions, module layout, or even a hand sketch — any format works.

Step 2 · FreeEngineering Review

Our engineers review manufacturability and propose structure optimizations.

Step 3 · FreeCAD Design

Production-ready drawings delivered for your confirmation. Unlimited revision until approved.

Step 4 · 7–10dPrototype

First article produced with full QC report and photos for your approval.

Step 5 · 15–25dMass Production

Batch fabrication with in-process inspection at every critical step.

Step 6Delivery & Support

Export plywood packing, FOB/CIF/DDP shipping, 12–24 months warranty.

Quality Control Before Every Shipment

Sealing test — every cabinet verified against IP54–IP55 rating
Dust-proof test — simulates long-term field dust exposure
Coating adhesion check — cross-hatch test on powder coating
Full-dimension verification — against approved CAD drawings
Weld & appearance inspection — seam quality and surface finish

Quality inspection reports and photos are provided with each order, so you can confirm workmanship before the goods leave our factory. Third-party inspection (SGS / TÜV / BV) is welcome.

Request QC Report Sample

Pricing & Trade Terms — No Surprises

⏱Quotation within 24 hours

Send specs → factory-direct quote in one business day. Volume pricing: unit cost typically drops 30–50% at 100+ pcs.

💳Payment

T/T 30% deposit, 70% balance before shipment. Sample orders and long-term partners: flexible terms available.

🚢Shipping

FOB, CIF and DDP supported. Export-grade plywood case with anti-rust film as standard.

🛡Warranty

12–24 months against manufacturing defects. Responsive after-sales with replacement parts support.

Proven in the Field

SanJun Hardware supplies custom charging pile enclosures to EV charger manufacturers, charging network operators and energy companies across global markets. Growing charging brands trust us with their enclosure programs — most scaled from prototype to repeat volume orders.

1,500+Charging enclosures delivered worldwide

0Field sealing failures reported to date

100+Custom projects completed per year

Frequently Asked Questions

What is the minimum order quantity?

MOQ is 1 piece. We welcome prototype and small-batch orders so you can validate the design before scaling up.

Can you design the cabinet if we don't have drawings?

Yes. Free production-ready CAD drawing design is our core service. Provide your power module dimensions, weight and layout requirements, and our engineers will produce manufacturable drawings for your confirmation.

What drawing formats do you accept?

We accept STEP, IGS, DWG, DXF and PDF sketches. Even a hand sketch with key dimensions is enough to start.

How do you quote? What are the payment terms?

Factory-direct quotation within 24 hours of receiving your requirements. Payment by T/T (30% deposit, 70% before shipment). FOB, CIF and DDP shipping terms supported.

What is the typical lead time?

Samples take 7–10 days; mass production takes 15–25 days depending on quantity and surface treatment requirements.

Can the cabinet achieve IP55 or higher protection?

Yes. Our standard sealing design reaches IP54–IP55, and we can upgrade gaskets, cable glands and door structures for harsher environments.

Do you ship internationally?

Yes, we export worldwide with export-grade plywood packaging, and we support FOB, CIF and DDP shipping terms.