Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker

China Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker, Find details about China Circuit Breaker, Vacuum from Zn28 Vs1 Vacuum Interrupter for Indoor Circuit Breaker

Basic Info.

Model NO.

208F

Poles Number

Type

Vacuum

Function

Vacuum

Certification

ISO9001-2000, CQC

Warranty

12 Month

Trademark

ZGVE

Transport Package

Standard Export Packing.

Specification

Vacuum

Origin

Wenzhou

HS Code

8538900000

Model NO.

208F

Poles Number

Type

Vacuum

Function

Vacuum

Certification

ISO9001-2000, CQC

Warranty

12 Month

Trademark

ZGVE

Transport Package

Standard Export Packing.

Specification

Vacuum

Origin

Wenzhou

HS Code

8538900000

Product Desciption

ZN28 VS1 Vacuum Interrupter For Indoor Circuit Breaker

Main Technical Data

Main Technical Data
Rated Voltage	12kV
Rated Current	630/1250A
Rated Frequency	50Hz
Rated Short-time power frequency withstand voltage(1min)	42kV
Rated Lighting impulse withstand voltage	75kv
Rated short-circuit breaking current	25KA
Rated short-circuit making current(peak)	63kA
Breaking operations of rated short circuit breaking current	30 timies
Rated sigle capacitor bank breaking current	400A
Rated short-time withstand current	25kA
Rated peak withstand current	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