Air-insulated medium-voltage switchgear NXAIR

"Enjoy the Air" - High-end technology in best form

Worldwide, air-insulated technology has served as a basis for an established, reliable power supply for more than 100 years. The air-insulated medium-voltage switchgear NXAIR is the result of many years of experience. The NXAIR family has been launched in 1998, continously enhanced and individually adapted to the specific market requirements of the different industries and power supply companies. 

Your benefit
 

- Saves lives

- Increases productivity

- Saves money

- Preserves the environment

- Ensures peace of mind

Product information

Air-insulated switchgear for primary distribution

NXAIR is a metal-enclosed, factory-assembled and type-tested medium voltage switchgear according to IEC 62271-200 for indoor application up to 24 kV. Loss of service continuity is category LSC 2B and partition class PM. NXAIR is internal arc classified switchgear according to IAC A FLR up to 50 kA for 1 s arc duration.
NXAIR up to 17.5 kV, up to 40 kA

NXAIR up to 17.5 kV, up to 40 kA, up to 4000 A

NXAIR medium-voltage switchgear up to 17.5 kV, up to 40 kA provides the user with a platform upon which to build a reliable electrical network.

If applied for power supply companies or different industry and offshore applications - NXAIR stands for maximum operational and personal safety, highest reliability, and operator friendliness. Thanks to its compact dimensions, minimum use of components requiring maintenance, and its simple and reliable operating mechanisms, NXAIR is real value for money, as life cycle cost calculations show.

Rated voltage
kV
up to
7.2
12
15
17.5
Rated frequency
Hz
 
50/60
50/60
50/60
50/60
Rated short-duration power-frequency withstand voltage, IEC (Gost)
kV
up to
20 (32)
28 (42)
36
38
Rated lightning impulse withstand voltage
kV
up to
60
75
95
95
Rated short-time withstand current, 3s
kA
up to
40
40
40
40
Rated peak withstand current 50 Hz / 60 Hz
kA
up to
100/104
100/104
100/104
100/104
Rated short-circuit breaking current
kA
up to
40
40
40
40
Rated short-circuit making current
kA
up to
100/104
100/104
100/104
100/104
Rated normal current of busbar
A
up to
4000
4000
4000
4000
Rated normal current of feeders
A
up to
4000
4000
4000
4000
Degree of protection - Primary part
Degree of protection - Secondary part
 
 
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
Dimension
- Width

- Depth
- Height

mm

mm
mm
 

435/600
800/1000
1350/1500
2350

435/600
800/1000
1350/1500
2350

600
800/1000
1350/1500
2350

600
800/1000
1350/1500
2350
Classification according to IEC 62271-200
 
Partition class
PM (partition of metal)
Loss of service continuity category panels
LSC2B
Accessibility of compartments ( enclosure):
- Busbar compartment
- Switching device compartment
- Low-voltage compartment
- Cable compartment

tool-based
interlock-controlled
tool-based
tool-based
Internal arc classification
 
- Wall standing arrangement
  7.2 kV, 12 kV, 15 kV, 17.5 kV

- Free-standing arrangement
  7.2 kV, 12 kV, 15 kV, 17.5 kV

IAC A FL up to 40 kA, 1s


IAC A FLR up to 40 kA, 1s
 
NXAIR up to 17.5 kV, 50 kA

NXAIR up to 17.5 kV, 50 kA, up to 4000 A

More and more complex network structures and increasing short-circuit power require new solutions.

NXAIR medium-voltage switchgear up to 17.5 kV for 50 kA is a proven solution for setting up and operating a reliable power distribution grid. lt is applied worldwide in the most different industries and in selected areas of power generation and distribution.

The switchgear can also be used for generator circuit-breaker applications up to 15 kV in all types of power plants by installing vacuum circuit breakers tested in accordance with IEEE C37.013. With its compact design, low maintenance requirements and uncomplicated, reliable technology, NXAIR ensures uninterrupted operation as well as a sustainable increase of productivity.

NXAIR is an investment that pays off throughout its entire life cycle.

Rated voltage
kV
up to
7.2
12
15
17.5
Rated frequency
Hz
 
50/60
50/60
50/60
50/60
Rated short-duration power-frequency withstand voltage, IEC (Gost)
kV
up to
20 (32)
28 (42)
36
38
Rated lightning impulse withstand voltage
kV
up to
60
75
95
95
Rated short-time withstand current, 3s
kA
up to
50
50
50
50
Rated peak withstand current 50 Hz / 60 Hz
kA
up to
125/130
125/130
125/130
125/130
Rated short-circuit breaking current
kA
up to
50
50
50
50
Rated short-circuit making current
kA
up to
125/130
125/130
125/130
125/130
Rated normal current of busbar
A
up to
4000
4000
4000
4000
Rated normal current of feeders
A
up to
4000
4000
4000
4000
Degree of protection - Primary part
Degree of protection - Secondary part
 
 
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
IP3XD
Dimension
- Width

- Depth
- Height

mm

mm
mm
 

435/800
1000
1650
2650

435/800
1000
1650
2650

800
1000
1650
2650

800
1000
1650
2650
Classification according to IEC 62271-200
 
Partition class
PM (partition of metal)
Loss of service continuity category panels
LSC2B
Accessibility of compartments ( enclosure):
- Busbar compartment
- Switching device compartment
- Low-voltage compartment
- Cable compartment

tool-based
interlock-controlled
tool-based
tool-based
Internal arc classification
 
- Wall standing arrangement
  7.2 kV, 12 kV, 15 kV, 17.5 kV

- Free-standing arrangement
  7.2 kV, 12 kV, 15 kV, 17.5 kV

IAC A FL up to 50 kA, 1s


IAC A FLR up to 50 kA, 1s
 
NXAIR M, 24 kV, up to 25 kA

NXAIR M, 24 kV, up to 25 kA

NXAIR M medium-voltage switchgear 24 kV up to 25 kA is the clever solution for the challenges of today and tomorrow.
Because of its voltage level, the switchgear NXAIR M is especially suitable for power supply companies, infrastructure and industrial applications.
As a modern medium-voltage switchgear, it is characterized by high reliability and profitability as well as environmental friendliness and sustainability.
With its compact design, low maintenance requirements, uncomplicated and reliable technology as well as sustainable production increase, NXAIR M is an investment that pays off.

Rated voltage
kV
 
24
Rated frequency
Hz
 
50/60
Rated short-duration power-frequency withstand voltage, IEC (Gost)
kV
up to
50 (65)
Rated lightning impulse withstand voltage
kV
up to
125
Rated short-time withstand current, 3s
kA
up to
25
Rated peak withstand current 50 Hz / 60 Hz
kA
up to
63/65
Rated short-circuit breaking current
kA
up to
25
Rated short-circuit making current
kA
up to
63/65
Rated normal current of busbar
A
up to
2500
Rated normal current of feeders
A
up to
2500
Degree of protection - Primary part
Degree of protection - Secondary part
 
 
IP3XD
IP3XD
Dimension
- Width
- Depth
- Height

mm
mm
mm
 

800/1000
1600
2510
Classification according to IEC 62271-200
 
Partition class
PM (partition of metal)
Loss of service continuity category panels
LSC2B
Accessibility of compartments ( enclosure):
- Busbar compartment
- Switching device compartment
- Low-voltage compartment
- Cable compartment

tool-based
interlock-controlled
tool-based
tool-based
Internal arc classification
 
- Wall standing arrangement
  24 kV

- Free-standing arrangement
  24 kV

IAC A FL up to 25 kA, 1s


IAC A FLR up to 25 kA, 1s
 
References

NXAIR success stories

Customer-oriented flexibility, high personal safety and low operation and maintenance costs – high-performance NXAIR offers all the advantages of an all-round carefree package for power distribution. Explore some of our success stories.

Contact

Get in contact with our Customer Service

You can contact us 24/7. We are looking forward for your call or online request. Phone +49 180 524 70 00