Home Product Disconnector Semi-Pantograph Disconnector

DisconnectorSemi-Pantograph Disconnector

General Description

IEC 62271, ANSI/IEEE Std C37, NEMA

ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA

Seismic design, ETGI-1.020, IEEE Std 693, NCh2369

Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1

High altitude correction per IEC 62271 & IEEE C37, ~ 5000m

Copper and silver moving contact

Insulator double row ball bearings

Adjustable open and close position stops

Typical Specification

Semi-Pantograph Disconnector 126~550kV

GW6

Unit

GW6-126

GW6-252

GW6-550

Rated voltage

kV

126

252

550

Rated Frequency

Hz

50

50

50

Rated current

A 

3150

4000

4000

Rated short-time withstand current and duration

kA/s

40/3

63/3

63/3

Rated peak withstand current

kA

100

160

160

Rated short-time power

frequency withstand voltage(rms)

To earth

kV

230

460

740

Across Breaks

kV

230+70

460+145

740+315

Rated lightning impulse

withstand voltage(peak)

To earth

kV

550

1050

1675

Across Breaks

kV

550+100

1050+200

1675+450

Rated switching impulse

withstand voltage

To earth

kV

/

/

1300

Across Breaks

kV

/

/

1175+450

Switching capacitive current

A

1

1

-

Switching inductive current

A

0.5

0.5

-

Rated busbar transferring current

A

1600

1600

1600