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BS EN 60947-5-9:2007

Current
Current

The latest, up-to-date edition.

Low-voltage switchgear and controlgear Control circuit devices and switching elements. Flow rate switches
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-31-2008

1 General
  1.1 Scope and object
  1.2 Normative references
2 Terms and definitions
  2.1 Basic definitions
  2.2 Characteristics of a flow rate switch
  2.3 Delay times
3 Classification
  3.1 General
  3.2 Classification according to sensing means
  3.3 Classification according to the construction form
  3.4 Classification according to the switching
      element function
  3.5 Classification according to the type of output
  3.6 Classification according to the method of
      connection
4 Characteristics
  4.1 Summary of characteristics
  4.2 Operating conditions
  4.3 Rated and limiting values for the flow rate
      switch
  4.4 Utilization categories for the switching element
5 Product information
  5.1 Nature of information
  5.2 Marking
  5.3 Instruction for installation, operation
      and maintenance
6 Normal service, mounting and transport conditions
  6.1 Normal service conditions
  6.2 Conditions during transport and storage
  6.3 Mounting
  6.4 Indicating means
7 Constructional and performance requirements
  7.1 Constructional requirements
  7.2 Performance requirements
  7.3 Shock and vibration
8 Tests
  8.1 Kinds of tests
  8.2 Compliance with constructional requirements
  8.3 Performance
  8.4 Verification of set point and delay times
  8.5 Verification of the electromagnetic compatibility
  8.6 Test results and test report
Annex ZA (normative) - Normative references to international
                       publications with their corresponding
                       European publications
Annex ZZ (informative) - Coverage of Essential Requirements
                         of EC Directives

Applicable to flow rate switches that sense the rate of flow of a gas, a liquid or a granular solid.

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.

Committee
PEL/121/1
DevelopmentNote
Supersedes 05/30132835 DC. (02/2008)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 60947-5-9:2007 Identical
NF EN 60947-5-9 : 2008 Identical
EN 60947-5-9:2007 Identical
IEC 60947-5-9:2006 Identical

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EN 61558-2-6:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers
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