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Hlavní stránka>BS EN 60947-5-9:2007 Low-voltage switchgear and controlgear Control circuit devices and switching elements. Flow rate switches
sklademVydáno: 2008-01-31
BS EN 60947-5-9:2007 Low-voltage switchgear and controlgear Control circuit devices and switching elements. Flow rate switches

BS EN 60947-5-9:2007

Low-voltage switchgear and controlgear Control circuit devices and switching elements. Flow rate switches

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Označení normy:BS EN 60947-5-9:2007
Počet stran:40
Vydáno:2008-01-31
ISBN:978 0 580 61338 8
Status:Standard
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BS EN 60947-5-9:2007


This standard BS EN 60947-5-9:2007 Low-voltage switchgear and controlgear is classified in these ICS categories:
  • 29.130.20 Low voltage switchgear and controlgear
This part of IEC 60947 applies to flow rate switches that sense the rate of flow of a gas, a liquid or a granular solid. These switches change their output state if a pre-set value for the speed of flow is exceeded. These flow rate switches are self-contained, have semiconductor switching element(s) and are intended to be connected to circuits, the rated voltage of which does not exceed 250 V 50 Hz/60 Hz a.c. or 300 V d.c.
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