Accreditation granted by UKAS for EN 60950-1:2006/A2:2013

The purposes of this procedure is to highlight to engineering staff, the key differences between EN 60950-1:2006/A12:2012 and the subsequent amendments, detailed as EN 60950-1:2006/A2:2013.

The following table provides a list of amended clauses and highlights the effects on accreditation and testing requirements. 

Clause Amendment details Effects of testing
0.1

Note added re. New technology

None
1.1.1

Information added clarifying scope of the standard for components and subassemblies

None

1.2.1.1

Definition of rated voltage amended

None
1.5.1 Reference to IEC62386-1 identified as an acceptable standard for components None

1.5.2

Evaluation of components reworded Clarification of requirements, no change in test methods
 1.5.6 Formatting change for RH requirements None

Table 1C

TYPE TEST rms voltage rating of capacitor added.

Notes amended to make reference to “TYPE TEST rms” voltage ratings 

Component certification will need to be checked that they cover the correct requirements.

1.5.7.2

Formatting change for RH requirements None

1.5.9.2

Reference to Limited Current Circuits were VDRs are used May require additional test
1.5.9.4 Reference to Annex Q added and clarification for use of GDT/VDR combinations added Refers to electrical strength tests and creepage and clearance requirements. No new tests.

1.7

Text deleted

None

1.7.1.1

Added clarification for equipment with multiple mains supplies

Checked by inspection

1.7.1.3

Reference to IEC60417 for graphical symbols added

Checked by inspection

2.2.3/Figure 2E.1 & 2E.2

New limits for voltages under single fault conditions

Measurement of voltages and before

2.6.2

New marking symbol requirements for function earthing

 Checked by inspection

2.9.2

Tolerance added for temperature

None

2.9.2

New extended test for equipment used in tropical conditions (no definition provided)

None

Table 2H & Figure 2H

Reference to note removed

None

2.10.3.1

Note deleted and others renumbered

None

2.10.10

Paragraphs added regarding delamination of circuit boards

Checked by inspection

3.2.5.1

IEC cable designations and requirements for screened mains cord added

Checked by inspection

Table 3E

Additional column and notes added covering cross sectional area of screws and nuts

Checked by inspection and measurement no new tests added

3.4.1 Clarification on marking location Checked by inspection
4.1 Alternative test for rotating floor standing equipment during 10° tilt test Test easily applied

4.3.8

Specifies portable secondary sealed cells shall comply with IEC62133

No additional tests but implications for customers need to provide evidence of compliance to this standard

4.3.8

Overcharging tests of rechargeable battery amended. Testing now easier to apply

Test easily applied

4.3.13.5.2

Note added with reference to exposure limits of IEC62471

Not within scope

4.7.3.4

Refers to Annex Q for VDRs

None

Table 5C

Test Voltage requirements for reinforced insulation reduced

No new test. Only test voltage changed

7.4.1

Clarification on application of exclusion provide

None

7.4.3

Alternative 3kV rms electrical strength test allowed in place of 4kV dc test

None

B7.2

Confirmation added that the test is terminated if the winding become open circuit

None

B7.3

Confirmation added that the test is terminated if the winding become open circuit

None

Annex P

Standards references updated

None

Annex Q

Some test parameters changed

Component certification will need to be checked that they cover the correct requirement

Annex U  U.2.2.2

Requirements for square and rectangular wire added

Not within scope

Annex CC

Numerous changes made for IC current limiters

Not within scope

Index

Amended to account for above changes

None
 Annex ZD Information on PVC cords added None

 

 

 June 2014