Power Xpert FMX
The FMX is Eaton's IEC single busbar, solid / air insulated medium voltage switchgear up to 24 kV. The system provides reliable switching, protection, metering and distribution of electrical energy. FMX is a complete range up to 2000 A with metal-enclosed modular compact panels of minimum 500 mm. The 12 and 24 kV versions are both accommodated in the same compact housing.
Safe in Use
Reliable and Safe in Operation
Low Total Cost of Ownership
User Friendly
Environmentally Friendly
- Compartments protected against penetration by objects
- Logical mechanical and electrical interlocks prevent mal operation
Reliable and Safe in Operation
- Arc fault tested in accordance with IEC 62271-200
- Single pole insulated primary parts within one compartment
- Integrated cable test facility
- Integrated arc absorbers
Low Total Cost of Ownership
- Panels from 500 mm width
- Cable connection from the front (back to wall arrangement)
- Maintenance-free circuit-breaker (electromagnetic mechanism and vacuum interrupters
- Solid insulation with air as the insulating medium
User Friendly
- Clear and simple, straightforward operation panels
- Facility for (dis)connecting the voltage transformers, easily accessible from the front without entering the HV compartment
- Integrated cable test facility positioned on the manual operation panel
Environmentally Friendly
- Minimised number of components
- No use of SF6-gas for switching and insulation (green switching)
| Systems: | 12kV | 17.5kV | 24kV | |
| Rated Voltage | kV | 12 | 17.5 | 24 |
| Lightning Impulse withstand voltage | kV | 75 | 95 | 125 |
| Power frequency withstand voltage | kV | 28 | 38 | 50 |
| Rated frequency | Hz | 50 | 50 | 50 |
| Internal arc class | AFL 25kA-1s | |||
| Loss of service continuity category | LSC2B | |||
| Partition class | PM | |||
| Earthing circuit | kA-s | 25 - 3 | ||
| Compartment circuit-breaker/cable | Interlock-controlled | |||
| Compartment busbar | Tool-based/non-accessible | |||
| Degree of protection HV compartments (Optional) | IP4X | |||
| Degree of protection LV compartment | IP3XD | |||
| Temperature classification | Minus 5 °C indoor | |||
| Busbar system: | ||||
| Rated normal current | A | 2000 | ||
| Rated short-time withstand current | kA-s | 25 - 3 | ||
| Rated peak withstand current | kA | 63 | ||
| Circuit-breaker - incoming feeder and sectionalizer: | ||||
| Rated normal current | A | 1250 - 1600 - 2000 | ||
| Rated short-circuit breaking current | kA | 25 | ||
| Rated short-circuit making current | kA | 63 | ||
| Rated short-time withstand current | kA-s | 25 - 3 | ||
| Circuit-breaker - outgoing feeder: | ||||
| Rated normal current | A | 630 - 800 | ||
| Rated short-circuit breaking current | kA | 25 | ||
| Rated short-circuit making current | kA | 63 | ||
| Rated short-time withstand current | kA-s | 25 - 3 | ||
| Class | E2, C2 | |||
| Operating cycles at short-circuit current | 100 | |||
| Single capacitor bank switching | A | 400 | ||
| Mechanism: | ||||
| Rated operating sequence | A | O - 0.3s – CO - 15s - CO | ||
| Class | M2 | |||
| Opening time | ms | 35 | ||
| DC component | % | 35 | ||
| Closing time | ms | 70 | ||
| Number of operations actuator | 30.000 | |||
| Number of operations interrupter | 30.000 | |||
| Auxiliary voltage | V | 24, 48, 60,110,220 DC/ 110/230 AC | ||
| Mechanism change-over switch: | ||||
| Opening time | s | 24 | ||
| Closing time | s | 24 | ||
| Number of operations change-over switch | 1000 | |||
| Class | M0 | |||
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