Eaton’s Power Xpert XGIS switchgear is constructed with the majority of the medium-voltage parts fixed-mounted and contained in a laser-welded stainless steel tank suitable for withstanding harsh, corrosive environments. Power Xpert XGIS medium-voltage switchgear delivers an option that is small in size and big in value, with high reliability and enhanced safety to support industrial, oil and gas, data center, utility, mining and infrastructure segments. The enhanced safety, small footprint and virtually maintenance-free design of Eaton’s GIS helps to lower ownership cost and optimize return on investment (ROI).
Switchgear must be selected based on the equipment’s ratings and capabilities to satisfy application requirements. While the majority of installed medium voltage switchgear is air-insulated, here are four key aspects of gas insulated switchgear (GIS) for consideration:
By design, construction and operation, gas insulated switchgear increases productivity while reducing risk for your operation. Further, at 27 and 38 kV ratings, gas insulated equipment takes up a lot less space to minimize building costs and maximize footprint for revenue-generating equipment.
| RATED MAXIMUM VOLTAGE | 36/38 kV |
| RATED FREQUENCY | 50/60 Hz |
| CONTINUOUS CURRENT (BREAKER & BUSBAR SYSTEM) | 1250 A, 2500 A |
| INTERRUPT RATING (BREAKER, BUSBAR SYSTEM, GROUNDING/EARTHING CIRCUIT) | Up to 31.5 kA - 3 s rms symmetrical |
| RATED PEAK WITHSTAND CURRENT (BUSBAR SYSTEM) | 82 kA |
| RATED SHORT-CIRCUIT MAKING CURRENT (BREAKER) | 82 kA |
| BASIC IMPULSE LEVEL (BIL) | 36/38 kV - 170 kV peak |
| POWER FREQUENCY WITHSTAND VOLTAGE | 80 kV |
| INTERNAL ARC CLASSIFICATION | AFLR - 31.5 kA - 1s |
| ALTITUDE |
Up to 4000 m |
| IEC | 62271 - 1, - 100, - 102, - 200 |
| THIRD-PARTY APPROVAL/RECOGNITION | UL, CESI (STL) |
| SEISMIC QUALIFICATION | IBC and CBC |
| ACCESS |
Front |
| INSULATING MEDIUM | SF6 |
| BUS INSULATION | Solid Shielded Insulating System |
| ENCLOSURE TYPE | Indoor, NEMA 1 |
| EXTERNAL ENCLOSURE DEGREE OF PROTECTION | IP2X, IP4X Available |
| PRIMARY LIVE PARTS WITHIN AND TANK DEGREE OF PROTECTION | IP65 |
| INDOOR SECTION DIMENSIONS (TYPICAL) | 600 mm (23.6") w x 1800 mm (70.9") d x 2700 mm (106.3") h |
| SWITCHING DEVICE | Vacuum circuit breaker |
| GROUNDING and ISOLATING DEVICE | Three-position disconnect switch, open/closed/ready-to-ground |
| DEVICE MOUNTING | Fixed |
| RATED OPERATING SEQUENCE | 0 – 0.3s – CO – 15s – CO A |
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