Gas-insulated switchgear for secondary distribution systems

Cleverly switched – Gas-insulated switchgear: Compact, maintenance-free and climate-independent

General Information

Description

Switchgear for the secondary distribution level

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.

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Product Information

Gas-insulated switchgear NXPLUS C (single-busbar)

Maintenance-free for lifetime

Overview
Technical Data
Front and side view

NXPLUS C (single-busbar)

Up to 15 kV, 31.5 kA, 2500 A busbar, 2500 A feeder
Up to 24 kV, 25 kA, 2500 A busbar, 2000 A feeder
Metal-enclosed
Single-busbar
Gas-insulated
Hermetically enclosed
Factory-assembled, type-tested switchgear according IEC 62 271-200
Customer's Benefit:
- Environmental Independence
- Compactness
- Maintenance-free Design
- Personal Safety
- Security of Operation, Reliability
- Economy, Ecology

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	80	80	63	63
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

Classification according to IEC 62271-200
Partition Class:	PM (metallic partition)
Loss of service continuity category panels: - with HV HRC fuses - without HV HRC fuses	LSC 2A LSC 2B
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

Internal arc classification
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