SN EN 61812-1 : 1996

Committees responsible
National foreword
Foreword
1 General
    1.1 Scope
    1.2 Normative references
2 Definitions
3 Requirements with regard to input and output
    circuits
    3.1 General
    3.2 Electrical operating conditions
    3.3 Rated power consumption
    3.4 Mechanical endurance
    3.5 Electrical endurance
    3.6 Operational and environmental conditions
    3.7 Insulation
    3.8 Protection against direct contact
    3.9 Creepage distances and clearances
    3.10 EMC immunity
    3.11 EMC emission
4 Requirements for timing circuit
    4.1 Specified time
    4.2 Setting accuracy
    4.3 Influencing quantities
5 Mechanical strength
    5.1 General
    5.2 Terminals and current-carrying parts
    5.3 Resistance to fire
6 Tests
    6.1 General
    6.2 Test of mechanical strength, vibration and shock
    6.3 Checking of protection against direct contact
    6.4 Checking of insulation
    6.5 Checking of resistance to heat
    6.6 Checking of making and breaking capacity
          - output circuit
    6.7 Checking of conditional short-circuit current
    6.8 Checking of limiting continuous current
    6.9 Functional tests
    6.10 Tests for checking the endurance of relays
    6.11 EMC test
    6.12 Humidity test
    6.13 Other tests
7 Markings, identification and operating documents
Annex ZA (normative) Normative references to
         international publications with their
         corresponding European publications

Applicable to specific time relays, eg time delay relays according to definitions in IEC 50(446) for industrial applications, such as control, automation, signal and industrial equipment).