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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.

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