| Brand | ROCKWILL | 
| Model NO. | 10kV (Dual Circuit) Normal Pressure Sealed Air-Insulated Switchgear / Ring Main Unit | 
| Rated voltage | 12kV | 
| Rated frequency | 50/60Hz | 
| Series | XGN | 
The 10kV Normal Pressure Sealed Air-Insulated Switchgear / Ring Main Unit (Dual Circuit) is an advanced medium-voltage power distribution device designed for dual-loop power supply systems. Operating at a rated voltage of 10kV, it adopts a normal-pressure sealed structure with air as the insulating medium, eliminating the need for SF₆ gas or other pressurized insulating materials. This switchgear integrates the functions of power distribution, protection, and control, making it suitable for scenarios requiring reliable dual-circuit power supply, such as industrial parks, urban distribution networks, high-rise buildings, and key infrastructure.
Name  |  
   Unit  |  
   Parameter Value  |  
  |
Rated Voltage (Ur)  |  
   kV  |  
   12  |  
  |
Rated Frequency (fr)  |  
   Hz  |  
   50/60  |  
  |
Rated Current (Ir)  |  
   A  |  
   630  |  
  |
Short - time Power Frequency Withstand Voltage (Ud)  |  
   Between Fractures  |  
   kV  |  
   48  |  
  
Between Phases  |  
   kV  |  
   42  |  
  |
Phase to Ground  |  
   kV  |  
   42  |  
  |
Lightning Impulse Withstand Voltage (Up)  |  
   Between Fractures  |  
   kV  |  
   95  |  
  
Between Phases  |  
   kV  |  
   75  |  
  |
Phase to Ground  |  
   kV  |  
   75  |  
  |
Rated Short - time Withstand Current (Ik)  |  
   kA  |  
   20/25  |  
  |
Rated Short - circuit Duration (tk)  |  
   s  |  
   4  |  
  |
Rated Peak Withstand Current (Ip)  |  
   kA  |  
   50/63  |  
  |
Rated Short - circuit Breaking Current (Isc)  |  
   kA  |  
   20/25  |  
  |
Rated Short - circuit Making Current (Ima) 
  |  
   Vacuum Interrupter  |  
   kA  |  
   50/63  |  
  
Earthing Switch  |  
   |||
Auxiliary Circuit and Control Circuit  |  
   Rated Voltage (Ua) DC/AC  |  
   V  |  
   ≤400  |  
  
Power Frequency Withstand Voltage (1min)  |  
   V  |  
   2000  |  
  |
Mechanical Life 
  |  
   Circuit Breaker  |  
   Times  |  
   10000  |  
  
Disconnecting Switch  |  
   Times  |  
   3000  |  
  |
Earthing Switch  |  
   Times  |  
   3000  |  
  |
Electrical Life  |  
   Circuit Breaker  |  
   Class  |  
   E2  |  
  
Earthing Switch  |  
   Class  |  
   E2  |  
  |
Protection Grade of Cabinet Enclosure  |  
   IP4X  |  
  ||
Protection Grade of Sealed Box  |  
   IP65  |  
  ||