BS EN 61095:1993
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for electromechanical contactors for household and similar purposes
Hardcopy , PDF
26-10-2018
English
25-01-2002
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
3.1 General terms
3.2 Switching devices
3.3 Parts of switching devices
3.4 Operation of switching devices
3.5 Characteristic quantities
4 Classification
5 Characteristics of contactors
5.1 Summary of characteristics
5.2 Type of contactor
5.2.1 Number of poles
5.2.2 Method of control
5.3 Rated and limiting values for main circuits
5.3.1 General
5.3.2 Rated voltages
5.3.3 Currents or powers
5.3.4 Rated frequency
5.3.5 Rated duties
5.3.6 Normal load and overload characteristics
5.3.7 Rated conditional short-circuit current
6 Product information
6.1 Nature of information
6.1.1 Identification
6.1.2 Characteristics, basic rated values and
utilization
6.2 Marking
6.3 Instructions for installation, operation and
maintenance
7 Normal service, mounting and transport conditions
7.1 Normal service conditions
7.1.1 Ambient air temperature
7.1.2 Altitude
7.1.3 Atmospheric conditions
7.1.4 Normal electromagnetic environmental
conditions
7.2 Conditions during transport and storage
7.3 Mounting
8 Constructional and performance requirements
8.1 Constructional requirements
8.1.1 General
8.1.2 Materials
8.1.3 Strength of screws or nuts other than
those on terminals which are intended to
be operated during installation or
maintenance
8.1.4 Vacant
8.1.5 Actuator
8.1.6 Indication of the OFF and ON positions
8.1.7 Terminals
8.1.8 Additional requirements for contactors
provided with a neutral pole
8.1.9 Provisions for earthing
8.1.10 Enclosures
8.1.11 Degrees of protection of enclosed contactors
8.1.12 Resistance to impact
8.1.13 Durability of markings
8.2 Performance requirements
8.2.1 Operating conditions
8.2.2 Temperature-rise
8.2.3 Dielectric properties
8.2.4 Normal load and overload performance
requirements
8.2.5 Co-ordination with short-circuit protective
devices
8.3 Electromagnetic compatibility
8.3.1 Immunity
8.3.2 Emission
9 Tests
9.1 Types of test
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests
9.1.4 Sampling tests for clearance verification
9.2 Compliance with constructional requirements
9.2.1 General
9.2.2 Materials
9.2.3 Test on screws or nuts other than those
on terminals which are intended to be
operated during installation or maintenance
9.2.4 Verification of the degrees of protection of
enclosed contactors
9.2.5 Mechanical properties of terminals
9.2.6 Test of resistance to impact
9.2.7 Test of durability of marking
9.3 Compliance with performance requirements
9.3.1 Test sequences
9.3.2 General test conditions
9.3.3 Performance under no load, normal load
and overload conditions
9.3.4 Performance under short-circuit conditions
9.3.5 Overload current withstand capability
9.3.6 Routine tests
Annex A (normative) - Terminal marking and distinctive
number
Annex B (normative) - Test sequences and number of
samples
Annex C (normative) - Description of a method for
adjusting the load circuit
Annex D (normative) - Determination of short-circuit
power-factor
Annex E (normative) - Measurement of creepage
distances and clearances
Annex F (normative) - Correlation between the nominal
voltage of the supply system and the rated impulse
withstand voltage of a contactor
Annex G (normative) - Hot wire ignition test
Annex H (normative) - Degrees of protection of enclosed
contactor
Annex I (normative) - Requirements and tests for equipment
with protective separation
Annex ZA (normative) - Normative references to international
publications with their corresponding European
publications
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