“Enjoy the Air” – High-end technology in best form
Siemens NXAIR MV Switchgear : 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.
The main role of Nxair Air- Insulated switch gear is cost-efficient and safe power distribution. This is a responsibility we accept, and that is why we offer services and solutions for all requirements of medium-voltage systems to our customers worldwide.
Key Features: –
up to 17.5 kV / 50 kA / 4000 A -up to 24 kV / 25 kA / 2500 A
-Factory-assembled, type-tested switchgear according to IEC62271-200 -Metal-enclosed
-Loss of service continuity category: LSC 2B
-Partition class: PM
-Internal arc classified switchgear according to IAC A FLR for 1s arc duration
-Compact design
-Air as insulating medium is always available
-Evidence of the making and breaking capacity for the circuit-breakers and the make-proof earthing switches inside the panel
-Single busbar, Duplex-switchgear
-Withdrawable vacuum circuit-breaker and vacuum contactor
-Platform concept worldwide, local manufacturing presence
-Use of standardized devices and of maintenance
-free vacuum circuit-breakers or vacuum contactors
-Type-test of earthing switch, vacuum circuit-breaker or vacuum contactor in the panel
-Cable testing without isolating the busbar
-All operations with high-voltage door closed
-Unambiguous position indicators and control elements as standard on the high
-voltage door -Maximum security of operation by self-explaining operating logic
-Maintenance interval > 10 years
Siemens NXAIR MV Switchgear Benefits:
- Internal arc classification: IAC A FLR ≤ 50 kA, 1 s
- All operation only possible with closed HV-door
- logical mechanical interlocking system
- maintenance intervals of switchgear > 10 years
- use of maintenance free switching devices
- withdrawable switching devices and optimized accessibility
- maintenance intervals of switchgear > 10 years
- use of maintenance free switching devices
- minimized space requirements (reduced building investments) due to compact panel dimensions and pressure release system to outside
- factory assembled, type-tested switchgear acc. IEC 62271-200
- „Air“ as insulating medium always available
- more than 510,000 air-insulated switchgear panels of Siemens in operation worldwide succesfully
- “Air” as insulating medium absolute environment friendly
- local production presence in all regions
- life expectancy > 30 years optimizes energy balance
- materials used are fully recyclable without special knowledge
Siemens Transmission Products – Leader in innovations with comprehensive, connective and sustainable portfolio
Transmission products play a vital role in the energy value chain. Siemens Transmission Products provides all key elements including power transformers and distribution transformers as well as gas-insulated and air-insulated switchgear and components. Products are offered individually, bundled or with related engineering upgrade to systems. Our products offer low life cycle costs with maximum availability, highest efficiency and short commissioning times.
We are driving technology innovations not only regarding the performance of transmission products but also in the area of sustainability and eco efficiency. By merging physics and data we enable new products and applications: Sensformer® and Sensgear®. With our global factory network and leading innovations we provide the highest level of quality and reliability to our customers: TSOs, DSOs, power producers, EPCs and industrial companies.
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