Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker (208E)

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YuGuang Technology CO., LTD.

VIP   Audited Supplier 8 years
Profile Certified by SGS/BV
208E
High Voltage Circuit Breakers
Energy-storage Type
High-Speed Circuit Breaker
Vacuum
Fixed
Vacuum
3
Vacuum
Vacuum
ISO9001-2000, CQC
vacuum Interrupter
1 Year
ISO9001
2000times
ZGVE
Standard Export Packing.
Vacuum
Wenzhou
8538900000
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






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