| Applicable standard | IEC 61439-1 / IEC 61439-2 (equivalent to GB/T 7251.2-2023) |
| Rated operational voltage (Ue) | AC 380 / 400 V |
| Rated current (In) | 1600 / 2500 / 4000 / 6300 A |
| Short-circuit withstand |
Icw: 30 / 50 / 80 / 100 kA, 1 s Ipk: 63 / 105 / 176 / 220 kA |
| Degree of protection | IP30 / 40 / 42 (IP54 optional) |
| Rated frequency | 50/60 Hz |
| Rated short-circuit breaking current (Icu / Ics) | 80/50; 80/80; 100/80; 120/120 kA |
| Rated insulation voltage (Ui) |
690 V / 1000 V (Outgoing Feeder Panel, Incoming Panel) 690 V / 660 V (Control Panel) |
| Rated impulse withstand voltage (Uimp) | 8 kV (Main Circuit) / 4 kV (Auxiliary Circuit) |
| Overvoltage category | Category III / IV |
| Internal separation form | Form 3a |
| Protection against electric shock | Class I |
| Pollution degree | Pollution Degree 3 |
| Material group | IIIa |
| Minimum electrical clearance | 10 mm |
| Minimum creepage distance | 12.5 / 16.0 mm |
Product Overview:
MNS is a modular, withdrawable low-voltage switchgear system designed for reliable power distribution and motor control in industrial, commercial, and infrastructure applications. It is widely used in power plants, substations, industrial facilities, data centers, and large commercial buildings where high operational reliability, flexible configuration, and safe maintenance are required.
The MNS system adopts a standardized, modular design with functional units that can be configured as fixed, plug-in, or withdrawable drawers. This structure allows flexible system arrangement, simplified installation, and convenient expansion to meet different project requirements. The withdrawable design enables rapid replacement and maintenance of functional units while minimizing downtime and improving operational safety.
MNS switchgear is assembled and integrated by RKP Dreams, combining qualified primary components, protection and control devices, busbar systems, and auxiliary circuits into a complete low-voltage distribution assembly. The system supports a wide range of applications, including power distribution, motor control, power factor correction, and auxiliary power systems.
Standards Compliance
The MNS system is designed and assembled in accordance with IEC 61439-1 and IEC 61439-2, ensuring compliance with international requirements for low-voltage switchgear and controlgear assemblies. Through standardized design principles, verified short-circuit withstand performance, and proven thermal management, the system provides stable electrical performance and long-term mechanical reliability.
Product Features:
- Modular and standardized system design The MNS system adopts a modular architecture with standardized functional units, enabling flexible configuration, simplified installation, and convenient future expansion.
- Withdrawable functional units Supports fixed, plug-in, and withdrawable drawers, allowing safe and rapid replacement of functional units while minimizing downtime and improving operational safety.
- High operational reliability Designed for stable performance under continuous operation, with verified thermal behavior and short-circuit withstand capability at the assembly level.
- Flexible application coverage Suitable for power distribution, motor control, power factor correction, and auxiliary power systems within a single integrated lineup.
- Clear functional separation Supports different forms of internal separation in accordance with IEC requirements, improving personnel safety and limiting fault impact.
- Certified compliance with applicable standards Tested and certified in accordance with national CQC certification requirements and complies with GB/T 7251.2-2023, ensuring stable electrical performance, mechanical reliability, and long-term operational safety.
Operating Conditions
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Ambient temperature
- Maximum: +40 °C
- Minimum: –5 °C
- 24-hour average: ≤ +35 °C
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Relative humidity
- Daily average: ≤ 95%
- Monthly average: ≤ 90% (Condensation shall be prevented.)
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Altitude
- ≤ 2000 m above sea level (Derating or special design is required for installations above this altitude.)
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Installation environment
- Installed on a flat and solid foundation with adequate ventilation to ensure normal heat dissipation. The switchgear shall not be exposed to vibration, impact, or direct heat sources.
- The environment shall be free from excessive dust, corrosive gases, conductive pollution, flammable vapors, and strong electromagnetic interference. Suitable for normal industrial and commercial indoor environments.
- Indoor installation.
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