Zw7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker

China Zw7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker, Find details about China Vacuum Circuit Breaker, MCCB from Zw7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker

Basic Info.

Model NO.

ZW7-40.5

Function

Circuit-Breaker Failure Protection

Certification

Rated Voltage

3.6kv~40.5kv

Rated Current

1250A 1600A 2000A

Rated Frequency

50Hz

Rated Short-Circuit Breaking Current

20 25 31.5ka

Rated Operating Sequence

0-0.3s-Co-180s-Co

Rated Short-Circuit Closed Current

50 63 80ka

Rated Peak Withstand Current

50 63 80ka

Rated Short Time Withstand Current

20 25 31.5ka

Rated Short-Circuit Duration

Mechanical Life

10000times

Transport Package

Standard Export Carton

Specification

Origin

China

Model NO.

ZW7-40.5

Function

Circuit-Breaker Failure Protection

Certification

Rated Voltage

3.6kv~40.5kv

Rated Current

1250A 1600A 2000A

Rated Frequency

50Hz

Rated Short-Circuit Breaking Current

20 25 31.5ka

Rated Operating Sequence

0-0.3s-Co-180s-Co

Rated Short-Circuit Closed Current

50 63 80ka

Rated Peak Withstand Current

50 63 80ka

Rated Short Time Withstand Current

20 25 31.5ka

Rated Short-Circuit Duration

Mechanical Life

10000times

Transport Package

Standard Export Carton

Specification

Origin

China

Product Desciption

ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker
ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker

rated voltage	40.5kV
rated current	1250A 1600A 2000A
rated short-circuit breaking current	20 25 31.5kA
rated frequency	50Hz
closing time	≤90ms

rated operating sequence	0-0.3s-CO-180s-CO
rated short-circuit closed current	50 63 80kA
rated peak withstand current	50 63 80kA
rated short time withstand current	20 25 31.5kA
rated short-circuit duration	4s
mechanical life	10000times
average opening speed	1.5±0.3ms
average closing speed	0.6±0.3ms

contact closing bounce duration	≤5ms
three phase closing and opening synchronism	≤2ms
opening time	≤60ms
weight	800kg

NO	Item	Unit	Technical Data
1	Rated voltage	KV	12
2	1 min power frequency withstand voltage		42
2	Lighting impulse withstand voltage(peak value)		75
3	Rated Frequency	Hz	50
4	Rated current	A	630, 1250, 1600, 2000, 2500, 3150, 4000
5	Rated short time withstand current	KA	20, 25, 31.5, 40
6	Rated withstand current(peak)		50, 63, 80, 100
7	Rated short-circuit opening current		20, 25, 31.5, 420
8	Rated short-circuit closing current		50, 63, 80, 100
9	Rated duration of short-circuit	S	4
10	Contact's clearance		3.5±0.5
11	Contact's travel		9±1/11±1
12	Average opening speed	M/s	1.1±0.2
13	Average closing speed	M/s	0.6±0.2
14	Opening time	Ms	35-60
15	Closing time	Ms	20-45
16	Mechanical life	Times	30000
17	Rated operating order		O-0.3S-CO-180S-CO(<40KA) O-180S-CO-180S-CO(≥40KA)