PN EN 60947-8 : 2005 AMD 2 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 8: CONTROL UNITS FOR BUILT-IN THERMAL PROTECTION (PTC) FOR ROTATING ELECTRICAL MACHINES
16-09-2023
12-01-2013
Describes rules for control units, which perform the switching functions in response to the thermal detectors incorporated in rotating electrical machines and specifies rules for that type of system comprising a positive temperature coefficient (PTC) thermistor detector having particular characteristics, and its associated control unit, when they are used in thermal protection systems to the industrial application.
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