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IEC 60947-5-9:2006 ED1

Low-voltage switchgear and controlgear - Part 5-9: Control circuit devices and switching elements - Flow rate switches

Publication date:   Dec 8, 2006

General information

60.60   Standard published   Dec 8, 2006

IEC

TC 121/SC 121A

International Standard

29.130.20   Low voltage switchgear and controlgear

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Scope

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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PUBLISHED
IEC 60947-5-9:2006 ED1
60.60 Standard published
Dec 8, 2006