Totally Integrated Power NXAIR. Flexible in Application, Consistent in Safety. Air-Insulated Medium-Voltage Switchgear NXAIR.

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1 Totally Integrated Power NXAIR Flexible in Application, Consistent in Safety Air-Insulated Medium-Voltage Switchgear NXAIR

2 Totally Integrated Power (TIP) We bring power to the point Our products, systems, and solutions for low and medium voltage make power distribution efficient, reliable, and safe in cities, infrastructure, buildings, and industrial plants. They can be linked to industrial and building automation, and are rounded out by comprehensive support throughout the entire lifecycle. Air-insulated medium-voltage switchgear from Siemens stands for highest personal and operational safety, as well as for local creation of value. Up to now, more than 450,000 air-insulated panels are in operation around the globe. Our close-meshed, global network of experts guarantees worldwide availability of experts for the mediumvoltage switchgear NXAIR close to you. NXAIR is a proven solution which provides a suitable system for all industries due to its adaptable design. Talk to our experts and experience the flexibility of NXAIR! 2

3 We always act in the best interest of our customers The air-insulated medium-voltage switchgear NXAIR is the result of many years of experience and development. Worldwide, air-insulated technology has served as a basis for an established, reliable power supply for more than 100 years. The NXAIR family has been continuously developed since 1998, and individually adapted to the specific market requirements of the different industries and power supply companies. NXAIR conforms to the defined standards of IEC, GOST and GB/ DL, partly exceeding them. The proven resistance to internal faults provides highest personal safety, and thus a sustainable increase of productivity. Due to the compact design and low maintenance requirements of NXAIR, saving potential can be generated in any industry. This is our promise to our customers. Production locations Bogota, Colombia Corroios, Portugal Dubna, Russia Gebze, Turkey Jakarta, Indonesia Jeddah, Saudi-Arabia Jundiai, Brazil Kalwa, India Karachi, Pakistan Northriding, South Africa Querétaro, Mexico Shanghai, China 3

4 For your requirements NXAIR offers the solution Due to its adaptable design, NXAIR offers high flexibility to satisfy individual customer requirements. Our specialists design customized solutions for you, even for adverse climatic conditions, at maximum or minimum ambient air temperatures, under high air humidity, as well as in case of heavy pollution of ambient air with dust, gases, salts or chemically active vapors. Many details of NXAIR can be modified, and manufactured according to the customer's requirements. Please find a small selection of options below: Cable connection Flexible in connection: Cables can be connected both from above and from below, and installation is possible from front or rear. Different cable types and cross-sections can be used. Current transformer connection Easily extendable: NXAIR offers space for up to 6 current transformers per panel (2 current transformers per phase). Different core classes and accuracies as well as individual protection concepts are possible. Degree of protection IPX2 Protected against dripping water: The degree of protection IPX2 offers protection against vertically falling water drops when the enclosure is tilted up to 15 degrees. Phase interchange at the busbar Depending on the respective application, NXAIR is available with interchanged phases at the busbar. Thermal inspection window On request, the switchgear can be equipped with a thermal inspection window. Thus, the temperature of the cable connections can be easily checked with an IR thermal scanner. Mimic diagram Depending on the customer's request, the mimic diagram with integrated mechanical position indicators can be supplied in different colors and with customer-specific symbols. 4

5 Safety at the highest standard. In every industry Automobile industry As a reliable partner of the automobile industry, NXAIR offers a cost-efficient product design with an especially developed automotive panel, for safe production at the factory. Due to the confinement of an internal arc to the respective compartment, NXAIR guarantees high availability and maximum operational safety. NXAIR also fulfills the internal arc classification (IAC A FLR) according to the rated short-circuit current with internal arc duration of 1s (IEC), and with a rapid shutdown function of 0.1 s. Additionally, the special use of silicone-free or non-silicone-releasing components in NXAIR ensures a trouble-free painting process. Oil and gas industry To achieve maximum cost-efficiency, applications for the oil and gas industry must guarantee maximum reliability and availability around the clock. NXAIR reliably secures the power supply, even under adverse climatic and ambient conditions such as saline and humid climate or dust. Moreover, NXAIR ensures maximum personal safety due to its high standards. Data centers Data centers place high demands on permanent, uninterrupted power. Their servers are operating 24 hours a day, seven days a week, under strictly controlled ambient conditions. NXAIR smoothly integrates into the power distribution of data centers, and even fulfills future requirements with its advanced technology. The high quality of the switchgear provides for maintenance intervals of more than 10 years, thus saving significant life cycle costs. Both power supply with NXAIR and server monitoring are controlled from remote. Steel industry As a delivering industry, the steel industry depends on the cycles of its customer sectors and is thus subject to economic fluctuations. A reliable and safe power supply is also required for a high flexibility in production, in order to manufacture increasingly smallvolume orders especially for mechanical engineering. NXAIR fulfills these requirements with its maintenance-free circuit-breakers and the maintenance-free withdrawable design, as well as with a high short-time withstand current. Power supply companies Power supply companies face growing energy demands due to increasing population numbers. Power consumption dependent on time and availability, security of power supply, and grid stability are currently highly debated topics. NXAIR guarantees a reliable and cost-efficient power supply with low space requirements. Thanks to its modular design and intuitive operating logic, NXAIR provides for maximum personal safety during operation, as well as for high flexibility and availability. Chemical industry With ever shorter cycles for development and market entry, product quality needs to be at the highest level. As an experienced partner of the chemical industry, NXAIR ensures smooth operation and exemplary availability. Even under the challenging ambient conditions of the chemical industry, NXAIR provides a reliable power supply with a long service life of more than 30 years. 5

6 NXAIR offers more 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. NXAIR ensures peace of mind NXAIR is developed and manufactured according to high quality and environmental standards. Maintenance-free design, maintenance-free type-tested vacuum circuit-breakers, and quality assurance throughout the process in accordance with DIN EN ISO 9001 and ensure smooth operation. NXAIR stands for optimum safety All switchgear types of the NXAIR family are approved with internal arc classification IAC A FLR, loss of service continuity category LSC 2B, and partition class PM. For this purpose, the interlocks of the individual components are designed to fit in a way which prevents maloperation. Mechanical interlocking and unambiguous position indicators in the mimic diagram on the high-voltage door assist for operation without malfunctions. NXAIR increases productivity 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. NXAIR generates saving potential The low maintenance requirements with intervals of more than 10 years and the modular design of NXAIR enable a largely continuous operation without expensive downtimes. Due to the compact design and the flexible cable connection options or pressure relief duct systems, the space requirements are extremely low, which contributes to reduced building costs. NXAIR preserves the environment The insulating medium air is absolutely environmentally neutral and is always available. Special insulation gases do not need to be used. As a consequence, no gases will escape, and there is no monitoring necessary. Due to its service life of more than 30 years and a simple disposal at the end of the life cycle, NXAIR is a sustainable solution which optimizes your overall performance balance. 6

7 Technical features NXAIR NXAIR NXAIR Rating up to 17.5 kv, 50/60 Hz 17.5 kv, 50/60 Hz 24 kv, 50/60 Hz Rated values up to 40 ka, 3 s 50 ka, 3 s 25 ka, 3 s Busbar current up to 4000 A 4000 A 2500 A Feeder current up to 4000 A 4000 A 2500 A Busbars Single busbar Single busbar Single and double busbar Insulation Air-insulated Type of switchgear Factory-assembled, type-tested and metal-enclosed switchgear according to IEC , modular and extendable Classification according to IEC Loss of service continuity LSC 2B category Partition class PM Accessibility to compartments Busbar compartment Tool-based Switching-device compartment Cable compartment Interlock-controlled For further information, see catalog HA Interlock-controlled or tool-based Internal arc classification IAC A FLR 40 ka, 1 s IAC A FLR 50 ka, 1 s IAC A FLR 25 ka, 1 s Degree of protection for the enclosure up to Dimensions Panel width IP50, IP mm, 600 mm, 800 mm, 1000 mm 435 mm, 800 mm, 1000 mm 800 mm, 1000 mm Panel height (minimum) 2300 mm 2550 mm 2560 mm Panel depth (minimum) 1350 mm 1650 mm 1600 mm 7

8 Siemens AG Infrastructure & Cities Sector Low and Medium Voltage Medium Voltage & Systems Princess Road, Princess Parkway Manchester M20 2 UR United Kingdom support.ic@siemens.com Order No.: IC1000-G320-A202-V /52739 / WS / Printed in Germany Subject to change without prior notice 2014 Siemens. All rights reserved. The information provided in this brochure contains descriptions or characteristics of performance which in case of actual use do not always apply as described or which may change as a result of further development of the products. An obligation to provide the respective characteristics shall only exist if expressly agreed in the terms of contract.