QCXE-12 environmental-friendly GIS gas-insulated metal-enclosed switchgear

Project Unit

Unit

Parameters

Rated voltage

kV

12

Rated current

kA

630, 1250, 2500, 3150

Rated frequency

Hz

50

Rated power frequency withstand voltage (1min)

Phase to phase, phase to ground

kV

42

Fracture

kV

48

Rated lightning impulse (1.2/50μs)

Phase to phase, phase to ground

kV

75

Fracture

kV

85

Main circuit temperature rise

A

1.1*Ir

Rated short-time breaking current

kA

25, 31.5, 40

Rated short-circuit closing current

kA

63, 80, 100

Rated short-time withstand current

kA

25, 31.5, 40

Rated peak withstand current

kA

63, 80, 100

Insulating gas

/

Dry air

Compartment pressure

Minimum functional pressure

MPa

0

Air tank protection level

/

IP67

Protection class of shell

--/

IP4X

Rated operating voltage

V

DC220

Rated auxiliary voltage

V

AC220

Overall dimension (W×D×H)

mm

600 × 1250 × 2250(630, 1250A)

800 × 1600 × 2250(2500A)

900 × 1600 × 2250(3150A)