Project Background

Overview of Guangxi Zhuang Autonomous Region Museum

Founded in 1934, Guangxi Zhuang Autonomous Region Museum is one of the first batch of National First-Class Museums and an AAAA-level tourist attraction. It undertakes the functions of cultural relic collection, protection, research, and public cultural services. After completing reconstruction and expansion in 2022, the new museum has a total construction area of 33,000 square meters, including the following core functional areas:

Core functional areas: Exhibition and Display Area (featuring thematic exhibitions such as "Ancient Civilization of Guangxi" and "Maritime Silk Road of the Han Dynasty"), Cultural Relic Storage (housing nearly 100,000 cultural relics, including 148 first-class cultural relics), and Interactive Service Area (Children's Archaeology Hall / Historical Mini-Theater);

Special environmental requirements: 24/7 constant temperature and humidity (for precision air conditioners/dehumidifiers) for cultural relic preservation, and uninterrupted power supply for digital exhibition halls (VR equipment/large screens) and security systems;

Public safety requirements: With an annual passenger flow of over 180,000 visits, power distribution in open areas must comply with GB 7251.12 Safety Standards for Public Places.

Core Power Distribution Requirements

High reliability: Ensure zero-interruption operation of equipment for cultural relic preservation environments (total load of 5500kW);

Flexible expandability: Support rapid connection of additional loads such as future new digital exhibitions;

Safety protection: Eliminate the risk of electric shock in public areas;

Space adaptability: Adapt to the limited space of power distribution rooms in historical buildings.

Customer Pain Points

Risk of hot and humid environment: The original power distribution cabinets face condensation hazards in Guangxi’s summer high-humidity environment (humidity > 80%), threatening the stability of constant temperature and humidity equipment.

Safety compliance gap: The risk of exposed live components in power distribution cabinets in public areas fails to meet the safety isolation standards of GB 7251.12.

High expansion costs: When adding new digital exhibition loads, traditional cabinets require overall modification to expand circuits.

Operation and maintenance conflict: Maintenance requires closing the museum for power outage, affecting the continuity of public services.

Solution Proposition

High Environmental Tolerance

The cabinet supports a wide temperature operation range of -15℃~+40℃, adapting to seasonal temperature changes in Guangxi;

The fully enclosed structure (default IP40 protection class) blocks moisture intrusion, reducing the impact of condensation on circuits in cultural relic protection areas.

Enhanced Public Safety Design

After the drawer unit is pulled out, the vertical busbar compartment is automatically isolated, reaching IP2X protection class, which meets the anti-electric shock requirements in open areas;

Built-in TN-S grounding system, complying with the museum’s grounding safety specifications.

Modular and Flexible Expansion

Adopts 25mm standard modular drawer units (8E/16E/24E specifications); new modules can be directly inserted when adding loads, avoiding overall cabinet replacement;

Supports mixed installation of fixed units and drawer units, adapting to the differentiated needs of cultural relic storage (fixed circuits) and exhibition areas (expandable circuits).

Zero-Interference Maintenance

Drawer half-pull maintenance technology: Single-circuit maintenance can be performed with live-line operation throughout the process, ensuring the museum remains open normally;

Independent cable compartment isolation design (optional front/rear outgoing lines), so maintenance work does not interfere with public areas.

Customer Value Achieved

Improved Reliability of Critical Loads

The fully enclosed structure reduces the interference of hot and humid environments on the power supply circuits of the constant temperature and humidity system, ensuring the stability of the cultural relic preservation environment.

Compliance with Safety Standards

Through the drawer isolation mechanism and grounding system configuration, it meets the GB 7251.12-2013 Electrical Safety Standards for Public Places.

Optimized Long-Term Economy

The modular expansion capability reduces the transformation cost when the load increases in the future, avoiding redundant investment.

Sustainable Public Services

The live-line maintenance capability eliminates the need to close the museum for maintenance, matching the museum’s opening hour requirements.