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IEVref:426-13-04ID:
Language:enStatus: Standard
Term: enclosed-break device "nC"
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Definition: device, incorporating electrical contacts that are made and broken, that will withstand an internal explosion of the flammable gas or vapour, which can enter it without it suffering damage and without communicating the internal explosion to the external flammable gas or vapour

Note 1 to entry: Enclosed-break device "nC" has been replaced by "dc" in IEC 60079-1, Explosive atmospheres – Part 1: Equipment protection by flameproof enclosures "d".


Publication date:2020-03
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