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LBS Khí SF6 - VEI/ITALIA |
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Electrical features
Rated voltage
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kV
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12
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17,5
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24
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Dielectric withstand voltage to earth and
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28
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38
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50
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between phases (50 Hz 1 kV min)
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Impulse withstand voltage to earth and
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75
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95
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125
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between phases (50 Hz 1 kV min )
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Rated current
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A
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630
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630
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630
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Breaking capacity of active circuits (cos f 0.7) and
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A
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630
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630
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630
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ring circuits at 0.3 A
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Breaking capacity of no-load transformers
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A
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25
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25
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25
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Brea Breaking capacity of no-load lines / cables
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A
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25
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25
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25
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Short time current (1 s) - IMS(*) and earthing switch
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kA
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12,5÷25
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12,5÷25
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12,5÷25
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Short time current (4 s) - IMS(*)
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kA
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12,5÷20
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-
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-
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Making capacity - IMS(*) and earthing switch
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kA
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31,5÷62,5
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31,5÷62,5
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31,5÷62,5
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Internal arc withstand current (0.5 s)
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kA
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12,5÷16
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12,5÷16
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12,5÷16
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(*) IMS = switch-disconnector
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