1 Scope
2 Normative references
3 Terms and definitions
3.1 Definitions related to general terms
3.2 Definitions of relay types
3.3 Definitions related to conditions and operations
3.4 Definitions of operating values
3.5 Definitions related to contacts
3.6 Definitions related to accessories
3.7 Definitions related to insulation
4 Influence quantities
5 Rated values
5.1 Rated coil voltage/rated coil voltage range
5.2 Operative range
5.3 Release
5.4 Reset (bistable relays)
5.5 Recommended number of cycles for electrical endurance
5.6 Recommended frequencies of operation
5.7 Contact loads
5.8 Ambient temperature
5.9 Categories of environmental protection
5.10 Duty factor
6 General provisions for testing
7 Documentation and marking
7.1 Data
7.2 Additional data
7.3 Marking
7.4 Symbols
8 Terminations
8.1 Screw terminals and screwless terminals
8.2 Flat quick-connect terminations
8.3 Solder terminals
8.3.1 Resistance to soldering heat
8.3.2 Solder pins
8.3.3 Terminals for surface mounting (SMD)
8.3.4 Other solder terminations (for example
soldering lugs)
8.4 Sockets
8.5 Alternative termination types
9 Sealing
10 Insulation resistance and dielectric strength
10.1 Preconditioning
10.2 Insulation resistance
10.3 Dielectric strength
11 Heating
11.1 Requirements
11.2 Test procedure
11.3 Terminals
11.3.1 General test conditions
11.3.2 Solder terminals
11.3.3 Flat quick-connect terminations
11.3.4 Screw and screwless type terminals
11.3.5 Alternative termination types
12 Basic operating function
12.1 General test conditions
12.2 Operate (monostable relays)
12.3 Release (monostable relays)
12.4 Operate/reset (bistable relays)
13 Heat and fire resistance
14 Electrical endurance
15 Mechanical endurance
16 Clearances, creepage distances and solid insulation
16.1 Clearances and creepage distances
16.2 Solid insulation
16.3 Accessible surfaces
Annex A (normative) Explanations regarding relays
Annex B (normative) Heating test arrangement
Annex C (informative) Schematic diagram of families of
terminations
Annex D (normative) Glow-wire test
Annex E (normative) Proof tracking test
Annex F (normative) Ball pressure test
Annex G (informative) Needle flame test
Annex H (normative) Measurement of clearances and creepage
distances
Annex I (normative) Relation between rated impulse withstand
voltage, rated voltage and over voltage
category
Annex J (normative) Pollution degrees
Annex K (normative) Inductive contact loads
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications