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|
 |
|
| Load Break Switch SF6 - 3 phase - 24 KV - 630A - VEI |
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 |
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Rated voltage
|
kV
|
12
|
17,5
|
24
|
|
Dielectric withstand voltage to earth and
|
|
28
|
38
|
50
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|
between phases (50 Hz 1 kV min)
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|
|
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Impulse withstand voltage to earth and
|
|
75
|
95
|
125
|
|
between phases (50 Hz 1 kV min )
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|
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Rated current
|
A
|
630
|
630
|
630
|
|
Breaking capacity of active circuits (cos f 0.7) and
|
A
|
630
|
630
|
630
|
|
ring circuits at 0.3 A
|
|
|
|
|
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Breaking capacity of no-load transformers
|
A
|
25
|
25
|
25
|
|
Brea Breaking capacity of no-load lines / cables
|
A
|
25
|
25
|
25
|
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Short time current (1 s) - IMS(*) and earthing switch
|
kA
|
12,5÷25
|
12,5÷25
|
12,5÷25
|
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Short time current (4 s) - IMS(*)
|
kA
|
12,5÷20
|
-
|
-
|
|
Making capacity - IMS(*) and earthing switch
|
kA
|
31,5÷62,5
|
31,5÷62,5
|
31,5÷62,5
|
|
Internal arc withstand current (0.5 s)
|
kA
|
12,5÷16
|
12,5÷16
|
12,5÷16
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(*) IMS = switch-disconnector
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