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275 sealed pole

DATA
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Products Description
DATA VALUE UNIT
Rated voltage 12 kV
Rated current 630 A
Rated frequency 50/60 Hz
Rated short-circuit breaking current 25 kA
Operations of short-circuit breaking current interruption 30/50 times
Rated short-circuit breaking current 63 kA
Rated peak withstand current 63 kA
Rated short-time withstand current (4s) 25 kA
Short-time (1 min) power-frequency withstand voltage 48 kV
Lighting impulse withstand voltage (peak) 85 kV
Circuit resistance at rated contact force ≤41 πΩ
Magnitude of partal discharge (13.2 kV) ≤5 pC
Contact limit erosion 3 mm
Shelf life 20 years
Mechanical life 30,000 times
Rated operating sequence 0-0.3s-C0-180s-C0

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