This switchgear is suitable for three-phase five-wire power supply system with AC 50(60) Hz, rated working voltage 400V, 660V, rated current 5000A and below, and can be used in power plants, substations, industrial and mining enterprises, building hotels, airports, terminals, radio and television and other communication centers are used as the control of power generation, transmission and distribution, power conversion and power consumption equipment, and reactive power compensation is performed on its main busbar through the capacitor compensation cabinet. In line with national standards: GB7251.1 "Low-voltage switchgear" IEC60439 "Low-voltage switchgear and control equipment".
| Model NO. |
GGD |
Operation Voltage |
Low Voltage |
| Shell Material |
Customization |
Application Range |
High-rise Buildings |
| Protection Level |
IP20/IP30/IP40 |
Rated Frequency |
50Hz/60Hz |
| Rated Current |
400~3200A |
Nominal Voltage |
380V |
❓ Frequently Asked Questions
Q1: What are the main applications for the GGD switchgear?
A1: It is widely used in power plants, substations, industrial enterprises, and high-rise buildings for power conversion, distribution, and control of electrical equipment.
Q2: What is the standard rated voltage for this equipment?
A2: The rated working voltage is typically 400V or 660V, suitable for three-phase AC 50/60Hz systems.
Q3: Does the cabinet offer protection against dust and water?
A3: Yes, it features multiple protection grades including IP30, IP40, and up to IP55 depending on specific cabinet requirements and customization.
Q4: Can the rated current be customized for large-scale operations?
A4: Absolutely. The system supports rated currents up to 5000A, covering a wide range of industrial and commercial needs.
Q5: Is this switchgear compliant with international safety standards?
A5: Yes, it complies with national GB7251.1 and international IEC60439 standards for low-voltage switchgear and control equipment.
Q6: What material is used for the shell of the cabinet?
A6: The shell material is customizable to meet specific environmental requirements, ensuring durability and safety in various installation sites.
Zago Electric
