Eaton’s flexible, narrow load interrupter medium-voltage switchgear (MVS-ND) is specially designed for smaller equipment rooms. Within a greatly reduced footprint, the switchgear incorporates front-accessible cable terminations, proven flicker blade and air chute technology, visible disconnect, and fully rated fuses.
Reduces the width of the structure by half (to just 18 inches)
Uses proven flicker blade and air chute technology
Available in stand-alone or line-ups, with indoor and outdoor configurations
Meets or exceeds IEEE C37.20.3 for metal-enclosed switchgear
Meets or exceeds NEMA SG5 and NEMA SG6
Quick-make, quick-break mechanism drives switch blades at high speed into either open or closed position
Switches can be supplied with manual or electrical operating mechanisms and with or without primary fuses
Door interlocks ensure that the switch and fuse panels remain closed unless the switch is opened
Viewing window provides clear, visible confirmation of disconnected switch contacts
Optional integrated power switching device allows an operator to open and close the switch from a distance
The reduced footprint of Eaton’s narrow model MVS-ND delivers the same proven technology in a greatly reduced footprint. Measuring just 18 inches — half the width of traditional models — and containing no SF6, MVS-ND is the most flexible narrow load interrupter switchgear on the market.
The MVS-ND offers exceptional layout flexibility with a variety of options including main, tie and feeder configurations; main bus transitions from lower to upper main bus locations; and fused and non-fused switches.
| RATED MAXIMUM VOLTAGE | 4.76 kV, 15 kV | |
| CONTINUOUS CURRENT | 600 A to 1200 A | |
| INTERRUPT RATING | Up to 38 kA rms symmetrical | |
| BASIC IMPULSE LEVEL (BIL) | 4.76 kV class - 60 kV peak, 15 kV class - 95kV peak |
| ANSI/IEEE STANDARD | IEEE C37.20.3, ANSI C37.57 | |
| NEMA | SG-5 | |
| CSA | C22.2 No. 31 | |
| THIRD PARTY APPROVAL/RECOGNITION | UL, CSA available for most ratings | |
| SEISMIC QUALIFICATION | IBC, CBC |
| ACCESS | Front and rear options | |
| INSULATING MEDIUM | Air | |
| BUS INSULATION | Optional | |
| BUS SUPPORTS | Glass polyester | |
| ENCLOSURE TYPE | Indoor and outdoor | |
| INDOOR SECTION DIMENSIONS (TYPICAL) | 18" w x 60" d x 92" h |
| SWITCHING DEVICE | Fusible switch | |
| DEVICE MOUNTING | Fixed |
| WEIGHTS | 800 lbs | |
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