IEC-60947-5-9 › Low-voltage switchgear and controlgear - Part 5-9: Control circuit devices and switching elements - Flow rate switches

IEC-60947-5-9 - 1ST EDITION - CURRENT


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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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Document Number

IEC 60947-5-9 Ed. 1.0 b:2006

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 2006

Committee Number

121A