C37.71-1984 - IEEE Standard for Three-Phase, Manually Operated Subsurface Load Interrupting Switches for Alternating-Current Systems
Standard Details
This standard applies to three-phase group-operated 60-Hz subsurface load-interrupting switches with maximum ratings of 600 A and 38 kV that utilize separable insulated connectors. It covers service conditions; ratings and test requirements; design, production, and conformance tests; construction requirements; and shipping requirements.
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