Zw8 Vacuum Interrupter for Outdoor Circuit Breaker 202D
Basic Info.
Model NO.
202D
Speed
High-Speed Circuit Breaker
Arc-extinguishing Medium
Vacuum
Installation
Fixed
Structure
Vacuum
Poles Number
3
Type
Vacuum
Function
Vacuum
Certification
ISO9001-2000, CQC
Item
vacuum Circuit Breaker
Warranty
12 Month
Certificate
ISO9001
Brand
Zgve
Transport Package
Standard Export Packing.
Specification
Vacuum
Trademark
ZGVE
Origin
Wenzhou
HS Code
8538900000
Production Capacity
180000pieces/Year
Product Description
ZW8 Vacuum Interrupter For Outdoor Circuit BreakerMain Technical Data
| Main Technical Data | |
| Rated Voltage | 12kV |
| Rated Current | 630 |
| Rated Frequency | 50Hz |
| Rated Short-time power frequency withstand voltage(1min) | 42kV |
| Rated Lighting impulse withstand voltage | 75kv |
| Rated short-circuit breaking current | 20KA |
| Rated short-circuit making current(peak) | 50kA |
| Breaking operations of rated short circuit breaking current | 30 timies |
| Rated sigle capacitor bank breaking current | 400A |
| Rated short-time withstand current | 20kA |
| Rated peak withstand current | 50kA |
| Rated duration of short-circuit | 4s |
| Mechanica life | 10000times |
| Contact closing force due to bellows and atmosphere | 70±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 | ≤1kg |
| Mechanical Data Required for matched vacuum switchgear | |
| Rated contact stroke | 9±1mm |
| Average opening speed | 1.0±0.25m/s |
| Average closing speed | 0.65±0.15m/s |
| Added contact force | 1600/2000±100N |
| Contact bouncing duration at closing operation | ≤2ms |
| Contact bouncing bank amplitude of opening operation | ≤2mm |
| Three-pole simultaneity | ≤1ms |
Dimensional Drawing
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