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12kV 630A loadbreak switch
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PRODUCTS DETAILS
Technical Parameters 12KV Content Unit Parameter Rated Voltage KV 12 Rated frequency HZ 50 Rated currency A 630 Rated short circuit withstand cu『rent KA 20/25 Rated peak withstand current KA 63 Rated short circuit duration s 2 Rated short circuit cloing current KA 63 Mechnicial life Time 10000 Open triphase dissimilar ms ≤2 Closing triphase dissimilar ms ≤2 Opening average speed mis 3-6 Closing average speed m/s 4-6 Air working step pressure fracture: 22KV -28KV/1min The primary loop resistance: A phase B phase C phase(load switch circuit resistance ≤ 40μΩ) Grounding resistance: A phase B phase C phase (grounding resistance load switch ≤500μΩ)
Installation size:
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