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AC Metal Enclosed Switchgear

AC Metal Enclosed Switchgear
AC Metal Enclosed Switchgear
Product Code : 08
Product Description

Based in Wuhan, China, we are one of the trusted manufacturers of AC Metal Enclosed Switchgear. It is used in various industries for effectively distributing electrical energy specifically required by different machines. This switchgear is composed of numerous components including fuse and electrical disconnect switches required for protection of equipments. AC Metal Enclosed Switchgear is efficiently capable of controlling the current and voltage supply to prevent electrical stress.

Features:

  • Efficient performance

  • Capable of bearing heavy loads

  • Precisely constructed

Technical Details:

Breaker Parameter

Unit

Value

Rated voltage

KV

7.2 12

Rated current

A

630 1000 1250 1600 2000 2500 3150

Rated frequency

HZ

50

Rated short breaking current

KA

12.5 20 25 31.5 40

Rated short-term tolerance current

KA

12.5 20 25 31.5 40

Rated peak tolerance current

KA

31.5 50 63 80 100

Rated power frequency tolerance voltage

KV

42 (1 min)

Rated lightning impact tolerance voltage

KV

75

Rated short duration

S

4

IP grade


IP2X


Operation mechanism parameter

Name

ZN28A-10/1250-20(example)

ZN28A-10/1250-31.5(example)

Electromagnetic operation mechanism

Type

CD17A


Working voltage
(V)

Closing operation coil

110 220



Opening operation coil

24 48 110 220



Working current
(A)

Closing volage(V)

110

240




220

120



Opening voltage
(V)

24

37




48

18.5




110

5




220

2.5

Spring operation mechanism

Type

CT19B CT819B


Working voltge
(V)

Energy saving motor

220



Deexciting release

220



Voltage-loss release

220


Energy saving time

S

≤5


Over current release

A

5


Opening time

S

DC operation≤0.20 spring operation ≤0.15


Closing time

S

≤0.06

Isolator parameter

Type

GN19 GN22 GN30

Rated voltage

KV

12

Max. working voltage

KV

11.5

Rated current

A

400 630 1000 1250 1600 2000 2500 3150

4S rated short-term tolerance current

KA

12.5 20 31.5 40

Rated peak tolerance current

KA

50 80 100 125

Rated insulation

1.2/50μs
Lightning impact tolerance voltage

KV

75


1min
Power frequency tolerance voltage

KV

42

Contactor Parameter

Type

JCZ5 JCZ7

Rated voltage

KV

7.2 12

Rated on-off current

KA

1.6 2.5 4 6.3

Rated current

A

400 630 1000 1250 1600 2000 2500 3150

Max. breaking curent

KA

1.28 2 3.2 5.04

Control voltage

V

110 220

Operation frequency

Long-term

times/
hour

120


Short-term


360

Current transformer parameter

Rated primary current
(A)

Secondary current
(A)

Grade

Rated output capacity(VA)

rated thermostability current
(KA)

duration
(S)

rated dynamic stability current (KA)

50

5

0.5

10

5

2

12.5



B

15




75

5

0.5

10

8

2

20



B

15




100

5

0.5

10

10

2

25



B

15




150

5

0.5

10

16

2

40



B

15




200\300
400\500\630

5

0.5

10

20

4

50



B

15




800
1000

5

0.5

10

31.5

4

80

Contact Us

4th Floor, Jinfeng Building, Optical Valley International Enterprise Center, East-lake High-tech District, Wuhan, Hubei, 430074, China
Phone :86-27-87170979