Audited Supplier
208L
High Voltage Circuit Breakers
Energy-storage Type
High-Speed Circuit Breaker
Vacuum
Fixed
Vacuum
3
Vacuum
Vacuum
ISO9001-2000, CQC
12 Month
12kv
630A
75kv
20ka
ZGVE
Standard Export Packing.
Vacuum
Wenzhou
8538900000
Product Description
ZN28 VS1 Vacuum Interrupter For Indoor Circuit Breaker(208L)
Main Technical Data
Dimensional Drawing
Main Technical Data
| Main Technical Data | |
| Rated Voltage | 12kV |
| Rated Current | 630A/1250A |
| Rated Frequency | 50Hz |
| Rated Short-time power frequency withstand voltage(1min) | 42kV |
| Rated Lighting impulse withstand voltage | 75kv |
| Rated short-circuit breaking current | 20/25KA |
| Rated short-circuit making current(peak) | 50/63kA |
| Breaking operations of rated short circuit breaking current | 30 timies |
| Rated sigle capacitor bank breaking current | 400A |
| Rated short-time withstand current | 20/25kA |
| Rated peak withstand current | 50/63kA |
| Rated duration of short-circuit | 4s |
| Mechanica life | 20000times |
| Contact closing force due to bellows and atmosphere | 80±40N |
| Counterforce at rated contact stroke | 120±50N |
| Circuit resistance at rated contact force | ≤25μΩ |
| Shelf life | 20 years |
| Contact erosion limit | 3mm |
| Weight of moving parts | ≤1.3kg |
| Mechanical Data Required for matched vacuum switchgear | |
| Rated contact stroke | 10±1mm |
| Average opening speed | 1.0±0.25m/s |
| Average closing speed | 0.65±0.15m/s |
| Added contact force | 2000±100N |
| Contact bouncing duration at closing operation | ≤2ms |
| Contact bouncing bank amplitude of opening operation | ≤2mm |
| Three-pole simultaneity | ≤1ms |
Dimensional Drawing
