BS EN 50428 : 2005

1 Scope
2 Normative references
3 Definitions
4 General requirements
5 General notes on tests
6 Ratings
7 Classification
8 Marking
9 Checking of dimensions
10 Protection against electric shock
11 Provision for earthing
12 Terminals
13 Constructional requirements
14 Mechanism
15 Resistance to ageing, protection provided by enclosures
    of switches, and resistance to humidity
16 Insulation resistance and electric strength
17 Temperature rise
18 Making and breaking capacity
19 Normal operation
20 Mechanical strength
21 Resistance to heat
22 Screws, current-carrying parts and connections
23 Creepage distances, clearances and distances through
    sealing compound
24 Resistance of insulating material to abnormal heat, to
    fire and to tracking
25 Resistance to rusting
26 EMC requirements
101 Abnormal conditions
102 Components
Annex A (normative) - Survey of specimens needed for tests
Annex B (normative) - Additional requirements for switches
                       having facilities for the outlet and
                       retention of flexible cables
Annex AA (normative) - Examples of types of electronic switches
                       and their functions
Annex BB (normative) - Measurement of clearances and creepage
                       distances
Annex CC (normative) - Test set-ups for HBES switches using
                       TP-Media and PL-Media
Annex DD (informative) - A-deviations
Annex ZZ (informative) - Coverage of Essential Requirements of EC
                         Directives

Pertains to HBES switches with a working voltage not exceeding 250 V a.c. and a rated current up to and including 16 A. for household and similar fixed electrical installations either indoors or outdoors and to associated electronic extension units.