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1. Superior Weatherproof Construction & Extended Lifespan
The enclosure uses a high-strength cold-rolled steel frame combined with a sloped roof design that naturally sheds rainwater and prevents heavy snow loading. The surface is treated with an advanced electrostatic powder coating (minimum thickness of 80μm) that provides exceptional UV resistance and salt-spray corrosion protection. Rigorously tested against harsh elements, the housing guarantees a structural lifespan of over 25 years, drastically reducing long-term asset depreciation and outdoor maintenance costs.
2. Modular Compartmentalization for Independent Access
The substation features a multi-door design (as pictured) with heavy-duty stainless steel hinges and weather-resistant locks, allowing for completely independent access to the low-voltage, transformer, and high-voltage chambers. This modular compartmentalization eliminates the need to power down the entire system when performing routine visual checks or minor maintenance on specific sections. It significantly enhances operational efficiency and reduces overall system downtime.
3. Advanced Multi-Layer Safety & Protection Protocols
Prominent red electrical warning signs are permanently affixed to the outer panels for public safety. Internally, the unit integrates a comprehensive fault protection network, including transformer gas relays (Buchholz), overcurrent protection, and a mandatory grounding switch complying with international IEC safety standards. In the event of a serious electrical fault, the system automatically initiates protective tripping within <20 milliseconds, effectively isolating the grid from catastrophic damage and safeguarding both equipment and operators.
4. Optimized Natural Ventilation & Thermal Management
Large, insect-proof outdoor ventilation louvers are strategically installed at the lower front to ensure a consistent "chimney effect" for natural airflow. Combined with additional cooling channels, this system efficiently dissipates the heat generated by the step-up transformer and switchgear. Even when the external ambient temperature reaches a scorching +50°C, the internal core temperature rise stays well below critical thresholds, ensuring long-term dielectric integrity and reliable performance across all seasons.
| Voltage registration (kV) | Effective value of maximum voltage of equipment (kV) | Effective value of rated short‑time power frequency surface withstand voltage (kV) | Rated lightning impulse withstand voltage full wave peak value (kV) |
| ≤ 1 | ≤ 1.1 | 5 | |
| 10 | 12 | 35 | 75 |
| 35 | 40.5 | 85 | 200 |
1. Commercial Complexes & High-Rise Residential
Modern commercial complexes and high-rise residential buildings require reliable, compact, and fire-safe power distribution equipment.
2. Industrial Parks & Heavy Manufacturing
Industrial parks and heavy manufacturing facilities, including steel mills, cement plants, chemical factories, and automotive assembly lines, consume large volumes of medium-voltage power and require robust, outdoor-rated distribution equipment.
3. PV & Energy Storage Grid Connection
Solar photovoltaic farms and battery energy storage systems (BESS) require dedicated step-up transformer solutions to interface with the medium-voltage grid.
4. Infrastructure — Rail Transit, Healthcare & Data Centers
Critical infrastructure applications, including metro and railway systems, hospitals, and data centers, demand the highest levels of power reliability and redundancy.
5. Municipal & Environmental — Water Treatment & Pumping Stations
Municipal water supply, wastewater treatment plants, and flood control pumping stations present challenging operating conditions for electrical distribution equipment. altitude not more than 1000m;
Q：Are you a trading company or factory?
A：We are a manufacturer boasting 15 years of industry experience and holding proprietary import-export rights.
Q：What certifications do you have?
A：Yes, we hold ISO, CE, and IEC certificates. In addition, we possess a number of design patents and a Special Equipment Manufacturing License.
Q：How long is your delivery time?
A：For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.
Q：What is the warranty time?
A：3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.
