Zago Electric
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| Model NO. | MNS |
| Voltage Level | Low Voltage |
| Installation | Removable |
| Structure | Withdrawable |
| Current | AC |
| Rated Operating Voltage | 400/660V |
| Rated Insulation Voltage | 660/1000V |
| Rated Frequency | 50-60Hz |
| Protection Rating | IP30 IP40 |
| Warranty | 12 Month |
| Package Size | 100.00cm * 80.00cm * 200.00cm |
| Gross Weight | 500.000kg |
The MNS(GHD) type low-voltage combined switchgear is suitable for AC 50-60Hz systems with a rated operating voltage of 660V and below. It is designed for power generation, transmission, distribution, power conversion, and power consumption control. Beyond land-based applications, this device can be configured for offshore oil drilling platforms and nuclear power plants. It complies with IEC439, VDE0660 Part 5, and national standards for low-voltage withdrawable switchgear assemblies.
| Parameter Item | Standard Value (IEC 60439 / GB7251.1) |
|---|---|
| Overvoltage category | IV Ⅲ |
| Pollution level | 3 |
| Rated operating voltage (Ue) | 400/660V |
| Rated insulation voltage (Ui) | 660/1000V |
| Rated frequency | 50(60)Hz |
| Horizontal busbar Rated current | ≤5000A |
| Rated short-time withstand current (Icw) | 50,65,80(1s) |
| Rated peak withstand current (Ipk) | 105,140,176(0.1s) |
| Vertical busbar Max operating current | ≤1000A |
| Enclosure protection rating | IP30 IP40 |
Environmental Conditions:
• Ambient temperature: -5°C to +50°C (24h average ≤ +35°C).
• Humidity: Max 50% at +40°C; higher relative humidity (90%) allowed at lower temperatures.
• Altitude: Not exceeding 2000m.
• Storage: Suitable for -25°C to +55°C (up to 70°C for short periods).
Ordering Requirements:
Please provide the main circuit power distribution system diagram, floor plan, rated voltages/currents, and protection settings. Specify incoming/outgoing cable requirements, component quantities, and any special environmental conditions or surface colors.
Established in 2005, our facility is a high-tech enterprise specializing in intelligent power transmission, distribution, and industrial electrical control. We are certified under ISO 9001 Quality, ISO 14001 Environmental, and ISO 45001 Occupational Health systems.
Our products strictly adhere to IEC standards and national regulations. The portfolio includes high- and low-voltage switchgear, prefabricated substations, transformers, and industrial automation systems used across metallurgy, chemical, petroleum, and municipal engineering sectors.
