单词 | normally-closed |
释义 | normally-closed in Electrical Engineering (nɔrməli kloʊzd) adjective (Electrical engineering: Circuits, Electrical power, Computing and control) normally-open Normally-closed switch contacts are in a closed state at rest. If the temperature of any of these heater elements reaches a critical point, a normally-closed switch contact will spring open. The provision of a pilot valve in the assembly represents a simple means for convertinga normally-closed valve into a normally-open valve with a minimum amount of modification. Normally-closed switch contacts are in a closed state at rest. |
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