GCK
The GCK(L) system low-voltage withdrawable switchgear is suitable for all power generation, distribution, and electrical applications, such as power systems, petrochemical plants, industrial and mining enterprises, civil buildings, etc. The GCK(L) system features a flexible frame structure assembly, accommodating various standard components within the cabinet to meet diverse operational requirements. The withdrawable units utilize aluminum alloy sliding rails and a screw-type propulsion mechanism, ensuring a clearly defined operating position with effortless and reliable operation.
This product complies with standards including IEC 60439-1, GB 7251.1, GB 7251.2, and JB/T 9661. System installation and connections are executed in accordance with IEC 364 standards.
Technical Parameters
Category
Parameter
Value
Rated Voltage
Rated insulation voltage (Ui)
690V AC
Rated operating voltage (Ue)
415V AC
Rated impulse withstand voltage (Uimp)
12kV
Overvoltage category
III
Pollution degree
3
Rated frequency
50 / 60Hz
Rated Current
Main busbar rated current (Ie)
Up to 6300A
Rated peak withstand current (Ipk)
Up to 220kA
Rated short-time withstand current (Icw)
Up to 100kA
Distribution busbar rated current (Ie)
Up to 1600A
Rated peak withstand current (Ipk)
Up to 176kA
Rated short-time withstand current (Icw)
Up to 86kA
Technical Parameters
| Category | Parameter | Value |
|---|---|---|
| Rated Voltage | Rated insulation voltage (Ui) | 690V AC |
| Rated operating voltage (Ue) | 415V AC | |
| Rated impulse withstand voltage (Uimp) | 12kV | |
| Overvoltage category | III | |
| Pollution degree | 3 | |
| Rated frequency | 50 / 60Hz | |
| Rated Current | Main busbar rated current (Ie) | Up to 6300A |
| Rated peak withstand current (Ipk) | Up to 220kA | |
| Rated short-time withstand current (Icw) | Up to 100kA | |
| Distribution busbar rated current (Ie) | Up to 1600A | |
| Rated peak withstand current (Ipk) | Up to 176kA | |
| Rated short-time withstand current (Icw) | Up to 86kA |




