• 400kv/330kv 4000A Outdoor Gas Circuit Breaker
  • 400kv/330kv 4000A Outdoor Gas Circuit Breaker

400kv/330kv 4000A Outdoor Gas Circuit Breaker

Breaking Capacity: High Voltage Circuit Breakers
Operation: Energy-storage Type
Speed: High-Speed Circuit Breaker
Arc-extinguishing Medium: SF6
Installation: Fixed
Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Customization:

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Rating: 5.0/5
Manufacturer/Factory, Trading Company, Group Corporation

Basic Info.

Model NO.
LW
Certification
ISO9001-2000
Transport Package
Wooden
Specification
420KV/400KV/330KV/300KV
Trademark
HEMG
Origin
China
Production Capacity
10000

Product Description


400kv/330kv 4000A Outdoor Gas Circuit Breaker


 


330KV SF6 CIRCUIT BREAKERS WITH SPRING OPERATING

      MECHANISM

 

S/NO.

PARAMETER DESCRIPTION

UNIT

PERFORMANCE GUARANTEE

330KV SF6 CB

1

Scope: Design, manufacture, testing, supply & installation.

 

 

Yes + Supervision by accredited personnel

2 Design & Construction

 

 

2.1

Type designation

 

 

2.2

Reference Standard

 

IEC 62271-100

IEC 62271-1

2.3

No. of poles/circuit breakers

 

3

2.4

Type of control mechanism

 

Motor operated spring

2.4.1

Mechanical class

 

M2

2.5

Protection level of electrical cubicle

 

IP54

2.6

Protection level of operating mechanism

 

IP55

2.7

Type of and colour insulator

 

Porcelain, brown

2.8

Insulating gas

 

SF6

2.9

Rated absolute pressure at 20oC

 

 

2.10

Relative leakage rate

%/yr

0,5%

2.11

Circuit breaker class

 

Outdoor

2.12

Support structures supplied

 

Yes

3 Service Conditions

 

 

3.1

Altitude of installation

m

1300

3.2

Operating ambient temperature

oC

-1 to +40

3.3

Relative humidity

%

80

3.4

Pollution levels

mm/kV

25

4 Rated Characteristics

 

 

4.1

Rated voltage

kV

330

4.2

Maximum service voltage

kV

362

4.3

Rated frequency

Hz

50

4.4

Rated continuous current

A

4000

4.5

Rated peak withstand current

kApk

125

4.6

Rated short time withstand current

kA

50

4.7

Rated duration of short circuit

s

3

4.8

One min. power frequency withstand voltage:

 

 

 

-        phase to earth

kV

450

-        Across open contacts

kV

520

4.9

Rated lightning impulse withstand voltage:

 

 

 

-        phase to earth

kVpk

1175

-        across open contacts

kVpk

1175 (+205)

4.10

Rated switching impulse withstand voltage:

 

 

 

-        phase to earth

kVpk

950

-        across open contacts

kVpk

800 (+295)

5. Breaking and Making Characteristics

 

 

5.1

Rated short circuit breaking current

kA

50

5.2

First pole to clear factor

 

1.3

5.3

DC component (% of AC component)

 

50

5.4

Peak value of rated short circuit making current

kApk

125

5.5

Rated breaking current for short line faults

 

As per IEC Standard

5.6

Rated out of phase breaking current

Id (kA)

12,5

5.7

Rated overvoltage factor for unloaded transformers

 

2.5

5.8

Rated line charging breaking current

A

255

5.9

Rated cable charging breaking current

 

355

6. Operating Times

 

 

6.1

Rated opening time - from opening coil energizing to separation of main contacts

ms

24

6.2

Rated breaking time - from opening coil energizing to arc extinction

ms

40

6.3

Rated closing time - from closing coil energizing to main contact making

ms

110

6.4

Rated operating sequence

 

O-0.3s-CO-15s-CO

6.5

Rated operating sequence without motor supply

 

O-CO

7. Low Voltage Specification

 

 

7.1

Motor voltage

V

220, DC

7.2

Circuit motor protection

 

MCB

7.3

Motor voltage min. range

%

85

7.4

Motor voltage max. range

V

220, DC

7.5

Opening voltage min. range

%

65

7.6

Opening voltage max. range

%

110

7.7

Closing voltage min. range

%

75

7.8

Closing voltage max. range

%

110

7.9

Lighting and heating circuit voltage

V

220, AC

7.10

Local electrical control with two push button

 

Yes

7.11

Anti-pumping relay

 

Yes

7.12

Local/remote selector switch

 

Yes

7.13

Number of trip coils

 

2

7.14

Provision for trip coil supervision

 

Yes

7.15

Pole discrepancy feature

 

Yes

7.16

Signalling contacts for spring position

 

Yes, 1NO

7.17

Number of available auxiliary NO contacts

 

8

7.18

Number of available NC auxiliary contacts

 

8

7.19

Position indicator - O/I

 

Yes

7.20

Indicator for spring status

 

Yes

7.21

Gas for first filling plus 30%

 

Yes

7.22

SF6 filling equipment supplied

 

Yes

7.23

SF6 gas leakage detector supplied

 

Yes

8. Documents and Drawings with Bid

 

 

8.1

Circuit breaker outline drawing

 

Yes

8.2

Foundation detail drawings

 

Yes

8.3

Quality assurance certification

 

Yes

8.4

Typical low voltage elementary diagram

 

Yes

9. Test Reports with Bid

 

 

9.1

Dielectric test

 

Yes

9.2

Temperature rise test

 

Yes

9.3

Short time withstand current test

 

Yes

9.4

Mechanical endurance test

 

Class M2 - 10,000 operations

9.5

Capacitive current breaking test

 

Yes

9.6

Operating times test

 

Yes

9.7

Main contact resistance test

 

Yes


400kv/330kv 4000A Outdoor Gas Circuit Breaker
 

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Contact Supplier

Gold Member Since 2017

Suppliers with verified business licenses

Rating: 5.0/5
Manufacturer/Factory, Trading Company, Group Corporation
Registered Capital
500 RMB
Plant Area
1001~2000 square meters