Designed for power plants, substations, and industrial enterprises, the GGD Type AC Low-Voltage Power Distribution Cabinet is applied in 50Hz AC power distribution systems with a rated working voltage of 380V and rated current up to A. It serves as a core device for power conversion, distribution, and control of power and lighting equipment. Featuring high short-circuit breaking capacity (rated short-time withstand current reaching 50kA), flexible circuit configurations, convenient modular combinations, practical functionality, and a novel structure, this product represents one of China's leading assembled fixed-panel switchgear solutions. It complies with standards such as IEC 439 Low-Voltage Switchgear and Controlgear Assemblies and GB Low-Voltage Switchgear and Controlgear Assemblies.
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High-Reliability Breaking Capacity
Equipped with reinforced busbar systems and arc-extinguishing structures, it withstands 50kA short-circuit currents within 1 second, preventing system-wide failures and ensuring safe operation under overload conditions.
Flexible Circuit Configurations
Offers over 100 standardized circuit modules (e.g., incoming power, feeder, motor control), adaptable to diverse loads including motors, lighting systems, and UPS equipment. Customizable layouts cater to specific project requirements.
Modular Combination Design
Adopts a 10E (250mm) modular unit structure, enabling parallel installation of multiple cabinets. Each functional unit (e.g., circuit breaker compartment, busbar chamber) is physically separated for easy maintenance and system expansion.
Practical Structural Innovation
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ParameterSpecificationRated VoltageAC 380V (3-phase 5-wire system)Rated CurrentUp to AShort-Time Withstand Current (Icw)50kA/1sProtection ClassIP30 (suitable for indoor use)Standard Cabinet Dimensions (mm)(H) × 800(W) × 600(D)Compliance StandardsIEC 439, GB
Power Plants & Substations：As secondary distribution cabinets in 10kV/0.4kV transformer substations, managing power distribution for auxiliary equipment.
Industrial Manufacturing：Used in steel mills, chemical plants, and automotive factories to control motors, conveyor systems, and process equipment.
Commercial Buildings：Installed in shopping malls, data centers, and hospitals for power distribution to lighting, air conditioning, and emergency power systems.
Renewable Energy：Serves as grid-side distribution units for solar/wind farms, integrating energy storage systems and ensuring stable grid connection.
Benchmark of Assembled Switchgear：Since its launch in the s, it has become a mainstream product in China's low-voltage distribution market, accounting for over 30% of industrial applications.
Quality Assurance：Type-tested for dielectric strength, short-circuit endurance, and IP protection, with certifications including CCC and optional CE for export models.
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ModelGGDMNS (Modular Switchgear)GCK (Draw-Out Switchgear)AdvantagesHigh short-circuit capacity, cost-effective, suitable for fixed loadsFlexible modular design, high protection grade (IP54), ideal for complex systemsCompact structure, quick drawer replacement, suitable for motor controlTypical ApplicationsIndustrial main distribution, fixed-load scenariosCommercial high-rises, data centersMotor Control Centers (MCC)
