Item | Unit | Remark |
Switch body |
|
|
Model | FZW28-12F(FFK) |
|
Rated voltage | 12kV |
|
Power frequency insulation withstand voltage (same and relative to ground/break) | 42kV/48kV |
|
Lightning impulse withstand voltage (same and relative to ground/break) | 75kV/85kV(Peak) |
|
Rated current | 630A |
|
Rated short-time withstand current | 16kA |
|
Rated thermal stability time | 2s |
|
Rated short-circuit closing current (peak value) | 40kA |
|
Rated dynamic stability current (peak value) | 40kA |
|
Rated cable charging breaking current | 20A |
|
Rated switching no-load transformer inductance current | <5A |
|
Mechanical life | 10000 time |
|
Net weight | 180kg |
|
Measurement and control unit |
|
|
Model | UP400-1 |
|
Input working voltage | AC220V±20% |
|
Input working voltage frequency | 50Hz |
|
Output voltage (analysis operation) | DC220V |
|
Power consumption of the whole machine | <10W |
|
Sampling phase current primary input value | 120-600A(One-time value) | Adjustable |
Low voltage action value | 10-140V(Secondary value) |
|
Allowable sampling error of power input value | ±5% |
|
Short circuit protection action delay time value | 0.3s |
|
Zero sequence current setting value | 0-9A(One-time value) |
|
Grounding action delay time | 0-1200s | Adjustable |
Setting value allowable error | ±5% | Adjustable |
Insulation impedance (external terminal to ground/input terminal to output terminal) | >100MΩ/DC500V |
|
Power frequency withstand voltage | 2000V/1min |
|
Impact withstand voltage | 5000V，1.2/50μS Three times each |