DATASHEET / en
Two-page product sheet for the 12 kV dry air insulated, SF6-free ring main unit: rated voltage, rated current, short-circuit breaking and making capacity, withstand voltages, dry air pressures, control voltage and rated operating sequence.
Rated 12 kV / 630 A / 50 Hz with 20 kA short-circuit breaking current and 50 kA peak making current. Insulation is dry air (SF6-free); the sheet lists the full parameter set including power-frequency and lightning-impulse withstand voltages, pressure limits and the rated operating sequence O-0.3s-CO-180s-CO.
Final ratings are confirmed against the project specification before order.
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