For the distribution of electrical energy, Siemens offers various gas-insulated switchgear types. In compact substations or small distribution substations, such switchgear contributes to guaranteeing uninterrupted power supply through to households and small industries. In all these applications, gas-insulated switchgear technology from Siemens provides exceptional advantages in respect of climatic independence, personal safety and maintenance-free design. For the power supply companies, this offers the high benefit of maximum supply reliability in their networks and thus, satisfied customers.

NXPLUS C (single-busbar)
| Rated voltage | kV | 7.2 | 12 | 15 | 17.5 | 24 |
|---|---|---|---|---|---|---|
| Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 |
| Rated short-duration power-frequency withstand voltage | kV | 20 | 28* | 36 | 38 | 50 |
| Rated lightning impulse withstand voltage | kV | 60 | 75* | 95 | 95 | 125 |
| Rated peak withstand current | kA | 80/82 | 80/82 | 80/82 | 63/65 | 63/65 |
| Rated short-circuit making current | kA | 80 | 80 | 80 | 63 | 63 |
| Rated short-time withstand current, 3 s | kA | 31.5 | 31.5 | 31.5 | 25 | 25 |
| Rated short-circuit breaking current | kA | 31.5 | 31.5 | 31.5 | 25 | 25 |
| Rated normal current of busbar | A | 2500 | 2500 | 2500 | 2500 | 2500 |
| Rated normal current of feeder | A | 2500 | 2500 | 2500 | 2000 | 2000 |
| Degree of protection - Primary part Degree of protection - Secondary part | IP65 IP3XD | IP65 IP3XD | IP65 IP3XD | IP65 IP3XD | IP65 IP3XD | |
| Dimensions - Width ** - Depth without rear duct - Depth with rear duct - Height 600 mm panels - Height 900 mm panels (with hood) | mm mm mm mm mm | 600 1100 1225 2250 2550 | 600 1100 1225 2250 2550 | 600 1100 1225 2250 2550 | 600 1100 1225 2250 2550 | 600 1100 1225 2250 2550 |
* 42 kV / 95 kV according to some national standards
** at 2000 A / 2500 A rated normal current: 900 mm
| Partition Class: | PM (metallic partition) |
| Loss of service continuity category panels: - with HV HRC fuses - without HV HRC fuses | LSC 2 LSC 2 |
| Accessibility of Compartments (enclosure): - Busbar compartment: - Switching device compartment: - Low-voltage compartment: - Cable compartment: without HV HRC fuses with HV HRC fuses | tool-based non accessible tool-based tool-based Interlock-controlled and tool-based |
| Designation of internal arc classification IAC for - Wall-standing arrangement 7,2 kV, 12 kV, 15 kV: 17,5 kV, 24 kV: - Free-standing arrangement 7,2 kV, 12 kV, 15 kV: 17,5 kV, 24 kV: | IAC A FL 31,5 kA, 1 s I AC A FL 25 kA, 1 s IAC A FLR 31,5 kA, 1 s IAC A FLR 25 kA, 1 s |
| Type of accessibility A - F - L - R | Switchgear in closed electrical service location, access "for authorized personnel only" (according to IEC 62271-200) Front Lateral Rear (for free-standing arrangement) |
| Arc test current | 25 kA, 31.5 kA |
| Test duration | 1 s |

Gost, Russia
Approval 04/2011

Shell Global Solutions, Netherlands
Approval 11/2006

DNV Det Norske Veritas, Norway
Approval 11/2011

GL Germanische Lloyd, Germany
Approval 01/2009

Russian Maritime Register, Russia
Approval 05/2009

JEN Instytut Energetyki, Poland
Approval 10/2007

Lloyd's Register, Germany
Approval 12/2011

FSK, Russia
Approval 10/2010

American Bureau of Shipping, USA
Approval 11/2011
| Customer | Country |
| Abu Dhabi Distribution Company | United Arab Emirates |
| Acciona Windpower S.A. | Spain |
| Daimler AG | Germany |
| E.DIS AG | Germany |
| E.ON edis AG | Germany |
| E.ON Hanse AG | Germany |
| Electricity Supply Board | Ireland |
| enviaM | Germany |
| KAHRAMAA | Qatar |
| Latvenergo | Latvia |
| Lenenergo | Russian Federation |
| MIBRAG Mitteldeutsche Braunkohle GmbH | Germany |
| National Electric Power Authority | Nigeria |
| PEDEEE | Syria |
| SEPTD | China |
| Shanghai Power Supply Bureau | China |
| Sharjah Electricity and Water Department | United Arab Emirates |
| Union Fenosa | Spain |
| Vattenfall Europe Mining AG | Germany |
| Vattenfall Europe Netzservice GmbH | Germany |
| Wiener Linien | Austria |
Catalogue NXPLUS C (single-busbar)