Product Overview
The AC Low Voltage Electrical Switchgear Cabinet Equipment represents a fixed-type low-voltage switchgear assembly engineered for the distribution, conversion, and control of electrical energy in three-phase AC systems. Positioned as an upgraded replacement for older-generation low-voltage switchgear, it combines proven electrical performance with modern manufacturing precision to deliver consistent reliability in day-to-day operations.
At its core, this equipment functions as the central hub of a low-voltage distribution system, receiving incoming power and distributing it to various downstream circuits while providing protection against overloads, short circuits, and other electrical faults. The fixed-mounted construction means all switching and protective components are permanently installed within the cabinet, ensuring structural simplicity and reducing the number of moving parts that could potentially fail over time.
The product line encompasses multiple models with varying current ratings and fault-handling capabilities, allowing engineers and project managers to select the appropriate configuration based on the specific load requirements and short-circuit levels of their installation. Each model is built to the same rigorous quality standards, ensuring uniform performance and compatibility across the entire range.
Key Benefits
Investing in quality switchgear equipment pays dividends through reduced downtime, lower maintenance costs, and enhanced safety for personnel and assets. This switchgear cabinet delivers several tangible benefits that directly impact the operational efficiency of your electrical distribution system.
Enhanced Fault Protection: With short-circuit breaking capacities ranging from 15kA to 50kA across different models, the equipment can safely interrupt fault currents before they cause damage to downstream equipment or escalate into more serious incidents, protecting your investment and minimizing repair costs.
Reduced Operational Risk: The fixed-mounted design eliminates the mechanical complexity associated with withdrawable units, reducing potential points of failure and simplifying routine maintenance procedures. This translates to fewer unexpected outages and lower long-term ownership costs.
Optimized Space Utilization: Through thoughtful engineering and compact layout design, the switchgear cabinet delivers substantial power distribution capacity within a manageable footprint, making it suitable for installations where space is at a premium but performance cannot be compromised.
Streamlined Installation: Pre-configured and factory-tested units arrive ready for commissioning, reducing on-site installation time and labor costs. The standardized design also simplifies integration with existing electrical infrastructure and auxiliary systems.
Long-Term Durability: Constructed from high-quality materials with corrosion-resistant finishes, the cabinet is built to withstand the rigors of industrial environments and provide years of dependable service with minimal degradation in performance.
Model Comparison
Selecting the right model is essential to ensure your switchgear installation meets both current and future power distribution requirements. The AC Low Voltage Electrical Switchgear Cabinet Equipment is available in three primary series — GGD1, GGD2, and GGD3 — each optimized for different current ratings and fault level scenarios.
The comparison table below provides a side-by-side overview of the key specifications across all three series to help you make an informed decision:
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Specification
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GGD1 Series
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GGD2 Series
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GGD3 Series
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Rated Voltage
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380V AC
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380V AC
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380V AC
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Rated Frequency
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50Hz
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50Hz
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50Hz
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Rated Current Range
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400A – 1000A
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600A – 1600A
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2000A – 3200A
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Short-Circuit Breaking Capacity
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15 kA
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30 kA
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50 kA
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Short-Time Withstand Current (1s)
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15 kA
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30 kA
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50 kA
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Peak Withstand Current
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30 kA
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63 kA
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105 kA
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Typical Application
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Small commercial buildings, light industrial facilities
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Medium industrial plants, substations
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Heavy industry, large power plants
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Mounting Type
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Fixed-mounted
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Fixed-mounted
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Fixed-mounted
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Standards Compliance
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IEC 439 / GB 7251
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IEC 439 / GB 7251
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IEC 439 / GB 7251
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When selecting a model, it is important to consider not only your current load requirements but also potential future expansion. Choosing a model with slightly higher capacity than your immediate needs can provide headroom for growth and reduce the need for costly upgrades down the line. Deyan Electric's engineering team can assist with sizing recommendations based on your specific project parameters.
Industry Uses
The versatility of fixed-type low-voltage switchgear makes it a staple across a wide spectrum of industries and building types. Its reliable performance and cost-effective design have led to widespread adoption in both public and private sector projects.
Power Generation & Distribution: Power plants and electrical substations rely on this equipment to step down and distribute generated power to transmission and distribution networks, serving as a critical link between high-voltage generation and end-user low-voltage systems.
Manufacturing & Heavy Industry: Industrial and mining enterprises depend on robust switchgear to power production lines, machinery, and auxiliary systems where unplanned downtime can result in significant financial losses. The high breaking capacity of the GGD3 series is particularly well-suited for these demanding environments.
Renewable Energy Sector: Wind power plants and other renewable energy installations utilize switchgear cabinets to collect and distribute generated power, ensuring efficient integration with the grid and reliable operation in remote or challenging locations.
Commercial & Hospitality: Hotels, shopping malls, office buildings, and commercial centers require safe and efficient power distribution for lighting, HVAC, elevators, and other building systems. The GGD1 and GGD2 series are commonly specified for these applications due to their balanced performance and cost profile.
Infrastructure & Public Facilities: Compact secondary substations and municipal infrastructure projects benefit from the space-saving design and reliable performance of these switchgear cabinets, which can be deployed in both indoor and semi-outdoor environments with appropriate protection.
Safety & Standards
Electrical safety is non-negotiable in any power distribution system, and Deyan Electric designs its equipment with multiple layers of protection to safeguard both personnel and assets. The AC Low Voltage Electrical Switchgear Cabinet Equipment incorporates comprehensive safety features and adheres to internationally recognized standards.
International Standards Compliance: All switchgear cabinets comply with IEC 439 "Low-voltage switchgear and controlgear assemblies" and GB 7251 "Low-voltage switchgear assemblies" standards, as well as IEC 61439/GB 7251.1. Compliance with these standards ensures that the equipment has been designed and tested to meet globally accepted safety and performance benchmarks.
High Protection Rating: The cabinet enclosure provides a high degree of protection against accidental contact with live components and ingress of foreign objects, reducing the risk of electrical shock and helping to maintain a clean internal environment that prolongs component life.
Arc Flash Mitigation: The robust steel construction and engineered structural design help contain the effects of internal arc faults, directing hot gases away from operating personnel and limiting the extent of damage in the event of a catastrophic electrical failure.
Quality Management System: Manufacturing takes place under an ISO 9001 certified quality management system, with documented processes and inspection checkpoints at every stage of production — from incoming material inspection through final assembly and testing.
Third-Party Certification: Products carry CE marking and meet other applicable international certification requirements, facilitating compliance with local electrical codes and regulations in markets around the world.
Manufacturing Process
Quality switchgear begins with quality manufacturing. Deyan Electric leverages advanced production techniques and strict process controls to ensure every cabinet that leaves the factory meets exacting specifications.
Precision Sheet Metal Fabrication: The cabinet enclosure is fabricated from high-quality cold-rolled steel plates using computer-controlled (CNC) forming processes. This ensures consistent dimensional accuracy, tight tolerances, and uniform mechanical strength across every unit produced.
Surface Treatment & Corrosion Protection: Steel components undergo a multi-stage surface preparation process followed by a corrosion-resistant finish. This treatment protects the cabinet against rust and degradation in humid or chemically aggressive environments, extending the service life of the equipment.
Electrical Assembly & Wiring: Skilled technicians assemble the internal electrical components — including busbars, circuit breakers, contactors, and instrumentation — following detailed engineering drawings and standardized wiring practices. All connections are properly torqued and verified to ensure reliable electrical contact.
Comprehensive Testing: Each completed unit undergoes a battery of tests before shipment, including dielectric withstand tests to verify insulation integrity, continuity tests to confirm proper wiring, and mechanical operation tests to ensure all switching mechanisms function correctly. Temperature rise and short-circuit withstand tests are performed on sample units as part of the type-testing program.
Final Inspection & Documentation: A final quality inspection verifies that the unit matches the customer's order specifications and that all required documentation — including test reports, wiring diagrams, and operation manuals — is included with the shipment.
Customer Support
Purchasing switchgear is just the beginning of your relationship with Deyan Electric. The company is committed to supporting customers throughout the entire lifecycle of their equipment, from initial specification through installation, commissioning, and ongoing maintenance.
Technical Consultation: Experienced engineers are available to assist with product selection, configuration advice, and technical specification review to ensure you choose the right equipment for your specific application requirements.
24/7 Technical Assistance: Should you encounter any issues or have questions during installation or operation, the technical support team is available around the clock to provide guidance and troubleshooting assistance, helping to minimize downtime and keep your systems running smoothly.
Training Programs: Deyan Electric offers both on-site and remote training programs for operation and maintenance personnel, covering proper operating procedures, routine maintenance tasks, and safety protocols to ensure your team can operate the equipment safely and effectively.
Warranty & Spare Parts: All products come with a standard manufacturer's warranty, with extended warranty options available for customers seeking additional peace of mind. Genuine spare parts are readily available and can be shipped quickly to minimize equipment downtime.
Custom Engineering: For projects with unique requirements, the engineering team can develop custom configurations tailored to your specific needs — whether it involves special dimensions, unique component selections, or integration with third-party control systems.
FAQ
Q: How does fixed-mounted switchgear compare to withdrawable designs?
A: Fixed-mounted switchgear has all components permanently installed within the cabinet, offering simpler construction, fewer moving parts, and lower upfront cost. Withdrawable designs allow individual circuit breakers to be removed for maintenance without de-energizing the entire system but come at a higher price point and with greater mechanical complexity. The choice depends on your specific maintenance requirements and budget considerations.
Q: What materials are used in the cabinet construction?
A: The cabinet enclosure is constructed from high-quality cold-rolled steel plates formed using CNC processes for precision and consistency. The steel is then treated with a corrosion-resistant finish to protect against environmental degradation and ensure long-term durability in industrial settings.
Q: Can this switchgear be integrated with smart monitoring systems?
A: Yes, the switchgear can be equipped with advanced protection relays and communication modules to enable integration with monitoring and control systems. This allows for remote monitoring of electrical parameters, alarm notification, and data logging capabilities to support predictive maintenance and operational efficiency initiatives.
Q: What is the expected service life of the equipment?
A: With proper installation, regular maintenance, and operation within specified parameters, the switchgear cabinet is designed to provide many years of reliable service. The actual service life depends on factors such as operating environment, load profile, and maintenance practices. Deyan Electric's 24/7 support and readily available spare parts help maximize the operational lifespan of your investment.
Q: What testing is performed before shipment?
A: Each unit undergoes routine factory testing including dielectric withstand tests to verify insulation integrity, electrical continuity tests to confirm proper wiring, and mechanical operation tests to ensure all switching mechanisms function correctly. Type tests covering short-circuit withstand, temperature rise, and other performance criteria are conducted on representative samples to validate compliance with applicable standards.
Q: What installation requirements should be considered?
A: Proper installation requires a level, structurally sound foundation capable of supporting the weight of the equipment. Adequate clearance must be maintained around the cabinet for ventilation, operation, and maintenance access. The installation location should be dry, free from excessive dust or corrosive atmospheres, and maintained within the specified ambient temperature range. Detailed installation instructions are provided with each unit.
Q: Are spare parts readily available?
A: Yes, Deyan Electric maintains an inventory of genuine spare parts for all its switchgear products, including circuit breakers, contactors, relays, meters, and mechanical components. Parts can be shipped quickly to customer locations worldwide to minimize equipment downtime and support efficient maintenance operations.
Q: Can the switchgear handle both power and lighting distribution?
A: Absolutely. The switchgear cabinet is designed to serve as distribution and control equipment for power circuits, lighting circuits, and general distribution circuits. Its flexible configuration options allow it to be customized with a mix of breaker sizes and circuit types to accommodate the specific distribution needs of your facility.
Q: What environmental conditions can the cabinet withstand?
A: The switchgear cabinet is designed for indoor installation in controlled environments. It features a high protection rating against dust ingress and accidental contact, and the corrosion-resistant finish provides protection against normal levels of humidity and atmospheric contaminants. For harsher environments, additional protective measures or specialized enclosure options may be available — consult with Deyan Electric's engineering team for recommendations.
Q: How does Deyan Electric handle custom configuration requests?
A: Deyan Electric offers flexible electrical configurations to meet specific project requirements. Customers can work with the sales and engineering teams to define their needs, including circuit breaker selection, metering options, busbar ratings, and internal layout preferences. The modular design of the switchgear allows for efficient customization while maintaining consistent quality and safety standards.
Final Takeaways
The AC Low Voltage Electrical Switchgear Cabinet Equipment from Deyan Electric offers a compelling combination of performance, reliability, and value for low-voltage power distribution applications. With three model series covering current ratings from 400A to 3200A and breaking capacities up to 50kA, there is a configuration suitable for everything from small commercial buildings to heavy industrial facilities. Built with precision CNC-formed cold-rolled steel, certified to IEC 439 and GB 7251 standards, and backed by ISO 9001 quality management and 24/7 technical support, this switchgear provides the dependable foundation your electrical distribution system needs. Whether you are upgrading an existing facility or designing a new installation, Deyan Electric has the expertise and product range to deliver a solution that meets your requirements now and into the future.
