BS EN 60947-5-9:2007
Current
The latest, up-to-date edition.
Low-voltage switchgear and controlgear Control circuit devices and switching elements. Flow rate switches
Hardcopy , PDF
English
31-01-2008
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.
| Committee |
PEL/121/1
|
| DevelopmentNote |
Supersedes 05/30132835 DC. (02/2008)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| Standards | Relationship |
| I.S. EN 60947-5-9:2007 | Identical |
| EN 60947-5-9:2007 | Identical |
| IEC 60947-5-9:2006 | Identical |
| EN 62107:2001 | Identical |
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