The product utilizes mature SF6 insulation technology, sealing the primary circuit of the switch within a gas compartment, featuring a compact footprint and maintenance-free characteristics.
The product utilizes mature SF6 insulation technology, sealing the primary circuit of the switch within a gas compartment, featuring a compact footprint and maintenance-free characteristics.
|
Name |
Unit |
Parameter Value |
|
|
Rated voltage |
kV |
12/24 |
|
|
Rated current |
kA |
630, 1250, 2500, 3150/1250, 2500 |
|
|
Rated frequency |
Hz |
50/60 |
|
|
Rated power frequency withstand voltage (1min) |
Phase to phase, phase to ground |
kV |
65 |
|
Fracture |
kV |
79 |
|
|
Rated lightning impulse (1.2/50μs) |
Phase to phase, phase to ground |
kV |
125 |
|
Fracture |
kV |
145 |
|
|
Main circuit temperature rise |
A |
1.1*Ir |
|
|
Rated short-time breaking current |
kA |
25, 31.5 |
|
|
Rated short-circuit closing current |
kA |
63, 80 |
|
|
Rated short-time withstand current |
kA |
25, 31.5 |
|
|
Rated peak withstand current |
kA |
63, 80 |
|
|
Insulating gas |
/ |
SF₆ |
|
|
Compartment pressure |
Minimum functional pressure |
MPa |
0/0.02 |
|
Air tank protection level |
/ |
IP67 |
|
|
Protection class of shell |
/ |
IP4X |
|
|
Rated operating voltage |
V |
DC220 |
|
|
Rated auxiliary voltage |
V |
AC220 |
|
|
Overall dimension (W×D×H) |
mm |
600 × 1250 × 2250 |
|
|
800 × 1600 × 2250 |
|||