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Air-insulated switchgear for primary distribution

NXAIR M 24 kV, up to 25 kA

  • 24 kV, up to 25 kA rating
  • Ideal for power supply, infrastructure, industrial applications
  • Compact, low maintenance, environmentally sustainable

NXAIR 50kA

  • Up to 17.5 kV, 50 kA, up to 4000 A
  • Proven for complex networks and high short-circuit power
  • Generator circuit-breaker applications up to 15 kV
  • Compact, reliable, cost-effective lifecycle

NXAIR

  • Up to 17.5 kV, 40 kA, up to 4000 A
  • For power supply, industry, offshore applications
  • Maximum safety, operator-friendly
  • Excellent value, low lifecycle costs

NXAIR C

  • Up to 24 kV, 25 kA, up to 2000 A
  • Service continuity category LSC2
  • Compact footprint, flexible pressure relief
  • Low maintenance, environment-friendly

NXAIR H

  • Up to 36 kV
  • Proven across power supply, industry, infrastructure
  • Minimal maintenance, ensures uninterrupted operation
FEATURED CAPABILITIES

Product information - NXAirS

NXAirS 550+

NXAirS 550+ is a compact 12kV medium-voltage air-insulated switchgear with max 550mm width per panel. Features up to 1250A feeder and 2500A busbar current, 31.5kA short-circuit rating, and IAC A FLR classification. Its optimized design reduces installation space and construction costs while enabling flexible combination with other NXAirS units.

A Siemens product advertisement featuring a sleek, modern device with a blue and white color scheme.

NXAirS 12 kV

NXAirS 12 kV is a modular, compact medium-voltage air-insulated switchgear with minimum 550mm width per panel. Supports up to 4000A feeder and busbar current, 40kA short-circuit rating, and IAC A FLR 40kA–1s classification. Its space-saving design reduces installation costs while enabling flexible combination with other NXAirS units for enhanced functionality.

A left side view of a Siemens NX Air S machine with a sleek design and a metallic finish.

NXAirS 24 kV

NXAirS 24kV ensures a high availabiltiy during lifetime via our delicate design and systematic manufacturing. It can be used in the system up to 24kV, 3150A,31.5kA. It is factory-assembled, metal-enclosed and type tested according to IEC 62271-200/GB3906.

A Siemens NX Air S-24kV system with a blue and white color scheme.

NXAirS 40.5 kV

Our NXAirS 40.5kV is outstanding reliablity even under adverse conditions and ultimate safety. It can be used in the system up to 40.5kV, 3150A,31.5kA. It is factory-assembled, metal-enclosed and type tested according to IEC 62271-200/GB3906.

A Siemens NX Air S 40.5kV electrical substation with a large transformer and various electrical components.

Frequently asked questions