Brand | ROCKWILL |
Model NO. | 10kV (Three Circuits) Normal Pressure Sealed Air-Insulated Switchgear / Ring Main Unit |
Rated voltage | 12kV |
Rated frequency | 50/60Hz |
Series | XGN |
The 10kV (Three Circuits) Normal Pressure Sealed Air-Insulated Switchgear / Ring Main Unit is a high-performance medium-voltage power distribution solution engineered to support three independent power supply loops. Operating at a rated voltage of 10kV, it features a normal-pressure sealed enclosure that uses air as the primary insulating medium—eliminating the need for SF₆ gas or pressurized systems. This switchgear integrates switching, protection, and control functions, making it ideal for scenarios demanding robust multi-loop power distribution, such as industrial complexes, urban substations, commercial hubs, and critical infrastructure requiring redundant power supply.
Name |
Unit |
Parameter Value |
|
Rated Voltage (Ur) |
kV |
12 |
|
Rated Frequency (fr) |
Hz |
50 |
|
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 |