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