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BSI 24/30486736 DC 2024

BSI 24/30486736 DC 2024

$13.70

BS EN IEC 60947-5-5 Low-voltage switchgear and controlgear – Part 5-5: Control circuit devices and switching elements – Electrical emergency stop device with mechanical latching function

Published By Publication Date Number of Pages
BSI 2024 27
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PDF Catalog

PDF Pages PDF Title
6 FOREWORD
9 1 Scope
2 Normative references
10 3 Terms and definitions
3.1 General
11 4 Classification
4.1 Contact elements
4.2 Means of actuation
4.3 Additional functions
12 4.4 Emergency stop device mounting
5 Characteristics
5.1 Summary of characteristics
5.2 Type of emergency stop device
5.3 Rated and limiting values for switching elements
5.4 Utilization categories
6 Product information
6.1 Nature of information
6.2 Marking
6.2.1 General
13 6.2.2 Button-type emergency stop devices
6.2.3 Trip wire switches
6.3 Instructions for installation, operation and maintenance, decommissioning and dismantling
6.4 Environmental information
6.5 Reliability data
7 Normal service, mounting and transport conditions
14 8 Constructional and performance requirements
8.1 Constructional requirements
8.1.1 Additional requirements for button type emergency stop devices
8.1.2 Additional requirements for trip wire switches
8.1.3 Additional requirements for foot switches
8.2 Performance requirements
8.2.1 General
8.2.2 Contact elements for direct opening action
8.2.3 Operation
15 8.2.4 Latching
8.2.5 Additional requirements for button type emergency stop device
8.2.6 Additional requirements for trip wire switches
8.3 Electromagnetic compatibility (EMC)
8.4 Special requirements
8.4.1 Requirements for functional safety applications
16 8.4.2 Requirements for emergency stop devices embedding additional functions
9 Tests
9.1 Kinds of tests
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests
9.1.4 Sampling tests
9.1.5 Special tests
9.1.5.1 General
9.1.5.2 Durability tests
9.1.5.3 Reliability data tests
17 9.1.5.4 Environmental tests
9.2 Compliance with constructional requirements
9.3 Performance
9.3.1 Test sequences
9.3.2 General test condition
18 9.3.3 Robustness of a button actuator
9.3.4 Robustness of a trip wire actuator
19 9.3.5 Durability test
9.3.6 Conditioning procedures
9.3.7 Shock test
20 9.3.8 Vibration tests
9.3.9 Opening, latching, actuation, resetting and impact tests
9.3.9.1 General
9.3.9.2 Opening and latching test
9.3.9.2.1 Opening test
21 9.3.9.2.2 Latching test
9.3.9.3 Actuation test for button-type emergency device
22 9.3.9.4 Resetting test
9.3.9.5 Impact test for button-type emergency stop devices
23 9.4 Tests for EMC
24 Annex A (normative) Procedure to determine reliability data for electrical emergency stop devices used in functional safety applications
A.1 General
A.1.1 Object
A.1.2 General requirements
A.2 Terms, definitions and symbols
A.3 Method based on durability test results
A.3.1 General method
A.3.2 Test requirements
A.3.2.1 General
A.3.2.2 Mechanical durability
25 A.3.2.3 Electrical durability
A.3.3 Number of samples
A.3.4 Characterization of a failure mode
A.3.5 Weibull Modelling
A.3.6 Useful life and upper limit of failure rate
A.3.7 Reliability data
A.4 Data information
A.5 Examples
26 Annex B (normative) Special requirements for illuminated button type emergency stop devices
B.1 General
B.2 Special requirements for an emergency stop device using illumination function to signal whether the device is active or not
27 Bibliography

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BSI 24/30486736 DC 2024
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