Low Voltage Fixed Type Switchgear Cabinet

The Usune GGD Low Voltage Fixed Type Switchgear Cabinet is specifically designed for AC 50Hz power distribution systems with a rated operating voltage of 380V and a rated operating current of up to 3150A. It serves as the core control hub for power, lighting, and distribution equipment, stably and efficiently realizing power distribution functions.

Developed in response to the needs of energy sectors, power users, and design units, this product boasts advanced technology and is an ideal upgrade from traditional low-voltage switchgear. As a core product of a leading Chinese manufacturer, it integrates reliable performance, safe operation, and convenient maintenance, making it the preferred choice for global users seeking a trustworthy low-voltage power distribution supplier. Leveraging the production capabilities of advanced Chinese factories, its quality is guaranteed.

Low voltage switchgear

Medium voltage switchgear

Core Technical Parameters

1. Rated Frequency: 50Hz
2. Rated Operating Voltage: 380V AC
3. Rated Operating Current: Up to 3150A
4. Applicable Standards: IEC439, GB 7251, IEC60056, etc.
5. Protection Rating: IP30–IP54 (Customizable)
6. Breaking Capacity: High, excellent dynamic and thermal stability

Compliance and Quality Assurance

1. International Standards

The Low Voltage Fixed Type Switchgear Cabinet fully complies with core international electrical standards, ensuring global applicability and reliability. These standards include: IEC60056 (High Voltage AC Circuit Breakers), IEC60099 (AC Gapless Metal Oxide Surge Arresters), IEC60129 (AC Disconnect Switches and Grounding Switches), IEC60185 (Current Transformers), IEC60186 (Voltage Transformers), and IEC60298 (1kV–50kV AC Metal-Enclosed Switchgear).

2. National and Industry Standards

The switchgear meets stringent Chinese national and industry standards, including: GB/T7251.12-2013 (Low-voltage switchgear and controlgear assemblies), GB1207 (Voltage transformers), GB1208 (Current transformers), GB50150-2006 "Standard for Acceptance Testing of Electrical Equipment in Electrical Installations", and DL/T 5004-2004 "Technical Specification for Design of DC Systems in Power Engineering".

3. Rigorous Testing and Inspection

- Visual Inspection: A comprehensive visual and dimensional inspection is conducted on the cabinet's style, dimensions, structural design, as well as the selection, layout, wiring, installation process, and surface coating of internal components to ensure compliance with technical requirements, and records are kept.

- Factory Testing: Each switchgear undergoes factory testing and inspection according to current national and industry standards before leaving the factory, and authentic test records are provided to ensure that the product meets standards before delivery.

Operating Environment Requirements

1. Ambient Temperature: -5℃ to +40℃, 24-hour average temperature ≤ +35℃
2. Altitude: ≤ 2000m (indoor installation)
3. Relative Humidity: ≤ 50% at +40℃, can be relaxed at low temperatures (e.g., ≤ 90% at +20℃), considering condensation due to temperature changes.
4. Installation Angle: Angle with vertical plane ≤ 5°
5. Environmental Requirements: Free from severe vibration, impact, and corrosive substances; special requirements can be negotiated with the manufacturer.

Core Performance Advantages

1. High Breaking Capacity and Strong Stability

Robust structure, capable of withstanding large short-circuit currents, and stable operation under extreme electrical conditions.

2. Flexible Configuration

Modular electrical solutions support various combinations, multiple series are available, adaptable to different application scenarios.

3. Practical and Durable

Novel structure, high protection level, dustproof, moisture-proof, and impact-resistant, extending service life.

4. Safe and Easy to Maintain

Clear layout, easily accessible components, convenient operation, reducing downtime and simplifying maintenance. 5. Wide Applicability: Widely applicable to power plants, substations, factories, commercial buildings, and infrastructure projects.

Real-world Application Cases

Case 1: Power Distribution Project for a Large Coal Mine

1. Project Background: A large coal mining group needed a reliable low-voltage power distribution system for its underground mining equipment and surface facilities, facing harsh environments such as dust, humidity, and vibration.
2. Solution: Usune provided 36 GGD series Low Voltage Fixed Type Switchgear Cabinets, customized with IP54 protection and vibration-resistant installation.
3. Application Results: Stable operation for over 5 years without major electrical failures; maintenance frequency reduced by 30% compared to older equipment; no electrical safety accidents, improving mining efficiency.

Case 2: Urban Substation Upgrade Project

1. Project Background: A municipal substation needed to upgrade its aging power distribution system, requiring increased power supply capacity and reliability to meet the electricity needs of residents and businesses.
2. Solution: Usune GGD switchgear was used, with a rated current of 3150A, integrating intelligent monitoring and protection functions.
3. Application Effects: Power distribution capacity increased by 40%, meeting peak power demand; fault response time reduced by 60%, decreasing power outage duration; compliant with State Grid standards, achieving excellent acceptance.

Technical Specifications

Product External Dimension

Project Reference

Cas-space Rocket Launch Project

Test Report

FAQ

Q1: What is the protection rating of the Usune GGD Low Voltage Fixed Type Switchgear Cabinet, and how is it adapted to different environments?

A: The standard protection rating is IP30, customizable up to IP54. Higher protection ratings (e.g., IP54) are dust and moisture resistant, suitable for mines, factories, and humid environments; for corrosive environments, anti-corrosion coatings and specialized materials are available to meet customized needs.

Q2: What is the product's lifespan, and what routine maintenance is required?

A: The normal service life is 15-20 years. Routine maintenance includes: quarterly dust cleaning, checking fasteners and component operating status; annual comprehensive insulation resistance testing and protection function calibration. Proper maintenance can extend service life and ensure stable operation.

Q3: Can Usune provide customized solutions for special voltage/current or structures?

A: Yes. As a professional manufacturer, we offer full customization services: adjusting rated voltage (220V/400V) and current (up to 3150A), modifying dimensions, component layout and functions; our engineering team will work closely together to design customized solutions that comply with IEC/GB standards.