Zn85 Vacuum Interrupter for Indoor Circuit Breaker (702b)

China Zn85 Vacuum Interrupter for Indoor Circuit Breaker (702b), Find details about China Circuit Breaker, Vacuum from Zn85 Vacuum Interrupter for Indoor Circuit Breaker (702b)

Basic Info.

Model NO.

702b

Poles Number

Type

Vacuum

Function

Vacuum

Certification

ISO9001-2000, CQC

Warranty

12 Month

Rated Voltage

40.5kv

Rated Current

1600A

Rated Lighting Impulse Withstand Voltage

75kv

Rated Short-Circuit Braking Current

20ka

Trademark

ZGVE

Transport Package

Standard Export Packing.

Specification

Vacuum

Origin

Wenzhou

HS Code

8538900000

Model NO.

702b

Poles Number

Type

Vacuum

Function

Vacuum

Certification

ISO9001-2000, CQC

Warranty

12 Month

Rated Voltage

40.5kv

Rated Current

1600A

Rated Lighting Impulse Withstand Voltage

75kv

Rated Short-Circuit Braking Current

20ka

Trademark

ZGVE

Transport Package

Standard Export Packing.

Specification

Vacuum

Origin

Wenzhou

HS Code

8538900000

Product Desciption

ZN85 VS1 Vacuum Interrupter For Indoor Circuit Breaker(702B)
Zn85 Vacuum Interrupter for Indoor Circuit Breaker (702b)

Main Technical Data

Main Technical Data
Rated Voltage	40.5kV
Rated Current	2000A
Rated Frequency	50Hz
Rated Short-time power frequency withstand voltage(1min)	95kV
Rated Lighting impulse withstand voltage	185kv
Rated short-circuit breaking current	31.5KA
Rated short-circuit making current(peak)	80kA
Breaking operations of rated short circuit breaking current	20 timies
Rated sigle capacitor bank breaking current	400A
Rated short-time withstand current	31.5kA
Rated peak withstand current	63/80kA
Rated duration of short-circuit	4s
Mechanica life	10000times
Contact closing force due to bellows and atmosphere	250±50N
Counterforce at rated contact stroke	330±60N
Circuit resistance at rated contact force	≤25μΩ
Shelf life	20 years
Contact erosion limit	3mm
Weight of moving parts	≤4kg
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke	22±2mm
Average opening speed	1.6±0.2m/s
Average closing speed	0.75±0.2m/s
Added contact force	3100±200N
Contact bouncing duration at closing operation	≤2ms
Contact bouncing bank amplitude of opening operation	≤4mm
Three-pole simultaneity	≤2ms