Zago Electric
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MNS Low-Voltage Switchgear
The MNS type low-voltage combined switchgear is suitable for AC 50-60Hz systems with a rated operating voltage of 660V and below, used for power generation, transmission, distribution, power conversion, and power consumption control. Besides general land-based applications, this device can also be used in offshore oil drilling platforms and nuclear power plants. This device complies with IEC439, VDE0660 Part 5, and GB7251 standards.
| NO. | Name | Technical Specifications |
|---|---|---|
| 1 | Overvoltage category | IV Ⅲ |
| 2 | Pollution level | 3 |
| 3 | Rated operating voltage(Ue) | 400/660V |
| 4 | Rated insulation voltage(Ui) | 660/1000V |
| 5 | Rated frequency | 50(60)Hz |
| 6 | Horizontal busbar Rated current | ≤5000A |
| 7 | Rated short-time withstand current (Icw) | 50,65,80 kA (1s) |
| 8 | Vertical busbar Max current | ≤1000A |
| 9 | Enclosure protection rating | IP30 / IP40 |
1) Ambient air temperature: -5°C to +50°C (24h average ≤ +35°C).
2) Atmospheric conditions: Relative humidity ≤ 50% at +40°C; up to 90% at +20°C.
3) Altitude: Not exceeding 2000m.
4) Storage: -25°C to +55°C (short term up to 70°C).
Users should provide: Main circuit power distribution system diagrams, floor plans, rated voltages, and current settings. Specify incoming/outgoing cable specifications, main component models, and any special environmental requirements or surface color preferences.
Specializing in intelligent power transmission and distribution, our products are designed in strict accordance with IEC standards. Multiple products have obtained CCC, CQC, and CE certifications. We utilize advanced flexible manufacturing lines including CNC laser cutting, punching, and bending machines to ensure full-process quality control.
