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SF6 vacuum circuit breaker
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Current Product Classification
- Product Description
-
Model composition and meaning
Technical parameters
Item
Unit
Value
Rated voltage
kV
12
24
Rated frequency
Hz
50
50
Rated current
A
630
630
Rated power frequency 1min
Withstand voltageBreakdown
kV
48
79
Phase-to-phase, phase-to-ground
kV
42
65
Rated lightning
Impulse withstand voltage
(1.2/50μs)Isolation breakdown
kV
85
145
Switch breakdown
kV
75
125
Phase-to-phase, phase-to-ground
kV
75
125
Rated short-circuit closing current
kA
50/63
50
Rated short-time withstand current
kA/s
20(4)/215(3)
20(4)
Rated peak withstand current
kA
50/63
50
Rated short-circuit breaking current
kA
20/25
20
Ground loop short-time withstand current
kA
20(4)
20(4)
Outline and installation dimensions diagram
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