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UNITIZED POWER CENTERS
Unitized Power Centers combine a MVS primary disconnect switch, a ventilated dry-type transformer, and Pow-R-Line 4 secondary distribution devices in a compact, factory assembled integral unit. These self-contained units provide maximum kVA in minimum space, and their one-piece construction simplifies installation. Other advantages include:
Benefits, Features and Functions The Primary Disconnect Switch is a manually operated, two-position, quick-make, quick-break type MVS. Distribution class surge arresters protect the transformer from surge voltages and when specified CX current limiting fuses protect against fault currents. Insulated cable passes through a steel barrier to connect the switch to the transformer. The Power Transformer is of a ventilated, dry-type, core-form construction. Standard Class 220°C insulation allows normal operation at 150°C temperature rise above a 30°C nominal ambient and a 40°C peak ambient. Core and coil assemblies meet all applicable IEEE/ANSI/NEMA standards. The Secondary Distribution Section consists of group mounted Series C molded case circuit breakers or FDP-W fusible switches separated from the transformer by steel barriering. Additional vertical sections may be added for additional low voltage distribution. |
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