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Air Insulated Switchgears (AIS)

Floor Mounted Withdrawable type
          Single/Double Busbar
                    12A20 / 25
                    10D
                    24A25
                    36A25
Cassette type
          Single Busbar
                    12kV AMS
                    24kV AMS
                    40.5kV AMS


Gas Insulated Switchgears (GIS)


Ring Main Units


Distribution Transformers


Busway System


Solar Power System

10D with VFT-12D VCB

Picture

Switchgear model

Unit

10D (Double Bus)

Conformance

 

IEC 60298,
IEC 60694

Rated voltage

kV

12

Rated frequency

Hz

50

Rated insulation level

 

 

- Power frequency withstand voltage/min

kV/1 min

28

- Lightning impulse withstand voltage (peak)

kV, 1.2/50µs

50

Rated normal current of Busbar

A

800/1250/2000

Rated short time withstand current

kA/3s

25

Rated peak withstand current

kA

63

Standard degree of protection

 

 

- Enclosure

 

4X

- Compartment

 

3X

Dimension

 

 

- Width

mm

700

- Depth

mm

1950

- Height

mm

2400

 

 

 

Circuit Breaker Model

Unit

VFT-12D (Double Bus)

Conformance

 

IEC 56

Rated voltage

kV

12

Rated current

A

630/1250/2000

Rated frequency

Hz

50

Rated insulation level

 

 

- Power frequency withstand voltage/min

kV/1 min

28

- Lightning impulse withstand voltage (peak)

kV, 1.2/50µs

75

Rated short circuit breaking current

kA, rms

25

Rated short circuit withstand current

kA/3s

25

Rated short circuit making current (peak)

kA

63

Rated operating sequency/duty

 

O-0.3s-CO-3min-CO

Rated closing time

ms

<60

Rated opening time

ms

<50

Rated breaking time

ms

<60

Standard trip/close supply

Vdc

30/110

Standard motor charging supply

Vdc (Vac)

30/110 (240Vac)

 

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