Siemens NXAirS-40.5kV Air Insulation Withdrawable Medium Voltage Switchgear

Siemens NXAirS-40.5kV Air Insulation Withdrawable Medium Voltage Switchgear is factory-assembled, type-tested, metal-enclosed and metal-clad switchgear for indoor installation.

Product Details

Siemens NXAirS-40.5kV Air Insulation Withdrawable Medium Voltage Switchgear

Siemens NXAirS-40.5kV Air Insulation Withdrawable Medium Voltage Switchgear is factory-assembled, type-tested, metal-enclosed and metal-clad switchgear for indoor installation.


Features

●All the switch operations can be carried out only under high-voltage compartment door closed.

Reliable mechanical interlock is installed between grounding switch and vacuum circuit breaker handcart.

All the parts and components installation heights meet the requirements of human engineering.

Options: Capacitive electric indicator can be used to detect feeder or bus presence of power.

 

Benefits

Smooth operation

Exemplary availability and optimal safety.

Increases productivity

Preserves the environment

 

Application

Public power supply

Power plant

Cement industry

Iron and steel works

Mining industry

Textile, paper and food industries

Chemical Industry

Petroleum Industry

Pipeline installations

Offshore oil devices

Electrochemical plants

Coal exploitation


Technical Parameters

Electrical Parameters

Rated voltage

kV

40.5

Rated frequency

Hz

50

Rated short-duration power-frequency withstand voltage   (phase-to-phase, phase-to-earth)

kV

95 (118)

Rated lightning impulse withstand voltage   (phase-to-phase, phase-to-earth)

kV

190 (215)

Rated short-circuit breaking current

kA

25,31.5

Rated short-time withstand current, 4s

kA

25,31.5

Rated short-circuit closing current

kA

63,80

Rated peak withstand current

kA

63,80

Rated bus current

A

1250,2500,3150

Feeder current

A

1250,2500


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