Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker

Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker

ZN28 VS1 Vacuum Interrupter For Indoor Circuit Breaker Main Technical Data Dimensional Drawing
Basic Info.
Model NO. 208F
Poles Number 3
Type Vacuum
Function Vacuum
Certification ISO9001-2000, CQC
Warranty 12 Month
Transport Package Standard Export Packing.
Specification Vacuum
Trademark ZGVE
Origin Wenzhou
HS Code 8538900000
Production Capacity 180000pieces/Year
Product Description
ZN28 VS1 Vacuum Interrupter For Indoor Circuit Breaker
Main Technical Data
Main Technical Data
Rated Voltage 12kV
Rated Current 630/1250A
Rated Frequency50Hz
Rated Short-time power frequency withstand voltage(1min)42kV
Rated Lighting impulse withstand voltage75kv
Rated short-circuit breaking current 25KA
Rated short-circuit making current(peak)63kA
Breaking operations of rated short circuit breaking current30 timies
Rated sigle capacitor bank breaking current 400A
Rated short-time withstand current25kA
Rated peak withstand current63kA
Rated duration of short-circuit4s
Mechanica life20000times
Contact closing force due to bellows and atmosphere80±40N
Counterforce at rated contact stroke120±50N
Circuit resistance at rated contact force ≤25μΩ
Shelf life 20 years
Contact erosion limit3mm
Weight of moving parts≤1.3kg
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke10±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

Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker


Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker


Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker