SN Electrical
Engineered for high humidity, rapid temperature swings, and severe dust protection in domestic electrical infrastructure.
Vietnam’s geographical positioning subjects electrical systems to some of the most aggressive climate challenges in Southeast Asia. Coastal regions stretching from Hai Phong to Da Nang and Vung Tau experience high salinity, extreme relative humidity (frequently exceeding 85% to 95%), and seasonal monsoons. In inland industrial zones like Binh Duong and Bac Ninh, thermal fluctuations can cause internal condensation inside sealed cabinets, a leading cause of short circuits, terminal oxidation, and premature breaker failures.
For EPC contractors and utility developers working under EVN (Electricity Vietnam) standards, deploying ordinary enclosures is not an option. A robust distribution box must feature robust ingress protection (IP65 up to IP68) alongside ultraviolet (UV) stabilization. Our engineered plastic (polycarbonate/ABS) and premium sheet metal formulations are designed specifically to resist thermal expansion, acid-rain corrosion, and heavy UV exposure, ensuring a lifespan of 15+ years under tropical solar radiation.
Consult an Application EngineerSelecting the optimal material and design configuration for varied industrial sectors across Vietnam.
Ideal for commercial buildings, solar combiners, and residential sub-panels. UV-resistant polycarbonate avoids discoloration and structural embrittlement, maintaining high impact strength (IK08) even under intense solar exposure in Central Vietnam.
Designed for heavy industrial environments, factories, and substations. Our sheet metal fabrication process features precision CNC bending, heavy-duty outdoor powder coating, and polyurethane foam gaskets for a reliable IP65 seal.
The ultimate solution for marine, wastewater treatment, and offshore environments. AISI 316L provides exceptional chemical defense against salt-spray corrosion along coastal industrial parks like Nhon Trach and Dinh Vu.
| Material Class | IP Protection Level | Impact Protection (IK) | UV Stability Index | Salt Spray Corrosion Resistance | Best Suited Vietnam Applications |
|---|---|---|---|---|---|
| Polycarbonate (PC) | IP65 - IP66 | IK08 | Very High (Grade F1) | Excellent (Non-corrosive) | Rooftop Solar, FTTH Telecom, Outdoor MCB Box |
| ABS Plastic | IP54 - IP65 | IK07 | Moderate (Requires shade) | Excellent (Non-corrosive) | Indoor Distribution Boards, Under-canopy Enclosures |
| Powder-Coated Steel | IP54 - IP66 | IK10 | High (UV-stable coating) | High (Up to 500 hrs salt spray) | Industrial Factories, Grid Substations, EV Charging |
| 304 / 316L Stainless Steel | IP66 - IP67 | IK10 | Excellent | Exceptional (1000+ hrs salt spray) | Marine Engineering, Wastewater, Food Processing |
Custom ODM/OEM configurations engineered to address the specific technical standards of key industries.
Supporting Vietnam's Power Development Plan VIII (PDP8). Our boxes serve as high-voltage DC combiner boxes, housing string fuses, SPDs, and DC isolators under extreme outdoor conditions.
FTTH and FTTA IP68 fiber optic distribution boxes featuring integrated splice trays and OptiTap compatible ports, designed to withstand high humidity and flooding in urban hubs.
Providing safe, dustproof, and moisture-controlled power hubs for semiconductor, electronics, and assembly plants in Hanoi, Bac Giang, and Binh Duong.
Heavy-duty portable distribution panels equipped with industrial CEE plugs and sockets, MCBs, and RCD protection, engineered for harsh civil construction environments.
Established in 2011, Hangzhou SN Electrical Co., Ltd. is a leading manufacturer specializing in low-voltage electrical distribution systems and smart enclosure engineering. Our manufacturing campus in Zhejiang Province spans over 18,000 square meters and employs over 250 skilled specialists. By integrating advanced product design, precision sheet metal fabrication, automated polyurethane gasket dispensing, and end-to-end testing, we assure structural integrity and electrical safety across all products.
For our partners in Vietnam, our geographical location offers key logistical advantages. Direct maritime shipping routes from Ningbo or Shanghai to Haiphong Port take only 4 to 6 days, and Ho Chi Minh (Cat Lai) Port takes 7 to 9 days. This minimizes delivery lead times and lowers shipping costs, supporting tight project deadlines for infrastructure installations.
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Select from our full catalog of industrial, commercial, and telecommunications outdoor enclosures.
As an experienced OEM and ODM partner, SN Electrical provides customized engineering services, enclosure design, component integration, private labeling, and project-based manufacturing solutions for customers worldwide. We work with clients to incorporate specific local elements required by the Vietnam market, including custom cutout dimensions, specialized cable glands (PG/M threads), integration of smart metering units, and specialized safety warnings in Vietnamese or English.
Whether you require minor adjustments to standard configurations or a complete sheet metal design built from scratch for solar farms, we can support your project. Our R&D team utilizes advanced 3D CAD modeling and thermal analysis simulation to verify heat dissipation properties before manufacturing begins, ensuring high performance for active internal components like contactors and VFDs.
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Electrical safety is at the core of our business. SN Electrical operates under a strict quality management system certified to ISO 9001:2015. Every batch of our waterproof distribution boxes undergoes testing before leaving the factory, including ingress protection checks, mechanical impact resistance (IK rating), dielectric strength measurements, and environmental aging simulation.
Our products meet IEC 60529 and IEC 62208 standards, ensuring high compatibility with components from major brands like Schneider, ABB, and Siemens. This helps simplify local compliance reviews and project approvals with Vietnamese regulatory bodies, providing a reliable path from import to installation.
Request Quality CertificatesExpert answers to common questions about sourcing and installing waterproof distribution boxes in Vietnam.
For coastal installations exposed to wind-driven rain and ocean spray, we recommend a minimum rating of IP66 or IP67. For inland industrial zones with overhead cover, IP54 or IP65 is typically sufficient. For underground or flood-prone telecom systems, IP68 is required to prevent water ingress.
We can integrate IP68 breather valves (ventilation plugs) that balance internal and external pressure. This allows air to circulate while blocking liquid water, preventing condensation buildup that can cause short circuits in high-humidity environments.
Yes. Through our OEM/ODM services, we can customize gland plates, knockouts, din rail layouts, mounting brackets, and color configurations according to your design specifications or CAD drawings.
Our factory in Hangzhou is close to Ningbo and Shanghai ports. Ocean freight to Haiphong Port takes about 4–6 days, and shipping to Ho Chi Minh City takes 7–9 days. Production times vary by order volume and customization level, typically ranging from 15 to 30 days.
Yes, our outdoor polycarbonate (PC) and ABS/PC enclosures are formulated with UV-stabilized resins (UL 746C f1 rating). This prevents degradation, yellowing, and brittleness from long-term exposure to sunlight.
Our products are manufactured and tested in accordance with international IEC standards (IEC 62208, IEC 60529), which align with Vietnamese National Standards (TCVN). We provide documentation to help streamline your local compliance and inspection processes.
Get in touch with our engineering team today. We offer custom ODM design, fast production, and direct shipping to major ports across Vietnam.
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