Table of Contents

1 General

1.1 Scope And Object

1.2 Normative References

2 Definitions

3 Classification6

3.1 According To The Utilization Category

3.2 According To The Method Of Operation Of Manually Operated Equipment

3.3 According To Suitability For Isolation

3.4 According To The Degree Of Protection Provided

4 Characteristics

4.1 Summary Of Characteristics

4.2 Type Of Equipment

4.2.1 Number Of Poles

4.2.2 Kind Of Current

4.2.3 Number Of Positions Of The Main Contacts (If More Than Two)

4.3 Rated And Limiting Values For The Main Circuit

4.3.1 Rated Voltages

4.3.2 Currents

4.3.3 Rated Frequency

4.3.4 Rated Duty

4.3.5 Normal Load And Overload Characteristics

4.3.6 Short-Circuit Characteristics

4.4 Utilization Category

4.5 Control Circuits

4.6 Auxiliary Circuits

4.7 Relays And Releases

4.8 Vacant

4.9 Switching Overvoltages

5 Product Information

5.1 Nature Of Information

5.2 Marking

5.3 Instructions For Installation, Operation And Maintenance

6 Normal Service, Mounting And Transport Conditions

7 Constructional And Performance Requirements

7.1 Constructional Requirements

7.2 Performance Requirements

7.2.1 Operating Conditions

7.2.2 Temperature Rise

7.2.3 Dielectric Properties

7.2.4 Ability To Make And Break Under No-Load, Normal Load And Overload Conditions

7.2.5 Ability To Make, Break Or Withstand Short-Circuit Currents

7.2.6 Switching Overvoltages

7.2.7 Additional Performance Requirements For Equipment Suitable For Isolation

7.2.8 Vacant

7.2.9 Overload Requirements For Equipment Incorporating Fuses

7.3 Electromagnetic Compatibility

7.3.1 Vacant

7.3.2 Immunity

7.3.3 Emission

8 Tests

8.1 Kind Of Tests

8.1.1 General

8.1.2 Type Tests

8.1.3 Routine Tests

8.1.4 Sampling Tests

8.1.5 Special Tests

8.2 Type Tests For Constructional Requirements

8.3 Type Tests For Performance

8.3.1 Test Sequences

8.3.2 General Test Conditions

8.3.3 Test Sequence I: General Performance Characteristics

8.3.4 Test Sequence Ii: Operational Performance Capability

8.3.5 Test Sequence Iii: Short-Circuit Performance Capability

8.3.6 Test Sequence Iv: Conditional Short-Circuit Current

8.3.7 Test Sequence V: Overload Performance Capability

8.4 Electromagnetic Compatibility Tests

8.4.1 Immunity

8.4.2 Emission

8.5 Special Tests

Annexes

Annex A (Normative) Equipment For Direct Switching Of A Single Motor

Annex B (Informative) Items Subject To Agreement Between Manufacturer And User

Figure 1 – Actuator Applied Force F

Tables

Table 1 – Summary Of Equipment Definitions

Table 2 – Utilization Categories

Table 3 – Verification Of Rated Making And Breaking Capacities (See 8.3.3.3) – Conditions For Making And Breaking Corresponding To The Various Utilization Categories

Table 4 – Verification Of Operational Performance – Number Of Operating Cycles Corresponding To The Rated Operational Current

Table 5 – Test Circuit Parameters For Table 4

Table 6 - Immunity Tests

Table 7 - Emission Limits

Table 8 – Actuator Test Force

Table 9 – List Of Type Tests Applicable To A Given Equipment

Table 10 – Overall Scheme Of Test Sequences

Table 11 – Test Sequence I: General Performance Characteristics

Table 12 – Dielectric Test Voltage Corresponding To The Rated Insulation Voltage

Table 13 – Test Sequence Ii: Operational Performance Capability

Table 14 – Test Sequence Iii: Short-Circuit Performance Capability

Table 15 – Test Sequence Iv: Conditional Short-Circuit Current

Table 16 – Test Sequence V: Overload Performance Capability

Table A.1 – Utilization Categories

Table A.2 – Rated Making And Breaking Capacity Conditions Corresponding To Several Utilization Categories

Table A.3 – Relationship Between Current Broken IC And Off-Time For The Verification Of The Rated Making And Breaking Capacities

Table A.4 – Operational Performance-Conditions For Making And Breaking Corresponding To Several Utilization Categories

Table A.5 – Verification Of The Number Of On-Load Operating Cycles – Conditions For Making And Breaking Corresponding To Several Utilization Categories