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Amendment 1 to IEC 61347-1 include an extended scope, new markings and changes to some important electrical tests.

SAFEGUARDS | Electrical & Electronics NO. 183/17

SafeGuardS electric equipment control

On September 29, 2017, Amendment 1 to IEC 61347-1: 2015 was published. This amendment introduced a number of major changes including the addition of a definition for surge protective devices (SPD).

Many related changes have been made in Amendment 1, including the scope of the standard, which is being extended to include d.c.1000 V, instead of d.c.250 V as per the original standard.

Furthermore, a definition is added for SPDs – devices that are intended to limit transient over voltages and divert surge currents, and which contain at least one nonlinear component.

Additionally, in marking section:

  1. A new symbol is added for SPD – control gear with an integrated SPD requiring connection to earth shall be marked with the protective earth symbol SafeGuardS 18317 symbol 1 according to IEC 60417-5019: 2006-08
  2. The “symbol indicating the kind of control gear providing SELV” is replaced by the symbol SafeGuardS 18317 symbol 2
  3. For item u), the second bulleted list item, remark that SELV-circuits are excluded. In table 2, add the voltage for d.c.
  4. A new item x) has been added, Indication: “Integrated SPD” for CLASS I application, if an over voltage protective device is integrated in the control gear

Finally, in the test part, the changes are as follows:

1. For the terminal part

Clarification that the tests referred to in clauses 14 & 15 of IEC 60598-1 are only for integral terminals, if the terminal is other than integral type, then it shall comply with the requirements of the relevant IEC standards, if any.
Aspects of use not covered by the respective standard shall must satisfy the additional relevant requirements of standard IEC 61347-1.

Terminals complying with the requirements of their own standard, and used in accordance with their intended use, need only meet the requirements of this standard where there are no requirements in the "terminals" standard. Example terminal standards are IEC 60947-7-4, IEC 60838-2-2 and IEC 60998 (all parts).

2. Moisture resistance and insulation

The over voltage protective device (SPD) is disconnected if it complies with IEC 61643-11 when conducting the insulation and electric strength test. This is a very important change for the test, and is a benefit for manufacturer.

3. Fault conditions

Clause 14.5, the following new text has been added, “Short circuit across or, if applicable, interruption of components for SPDs (e.g. MOV, VDR or spare gaps components). Only one component at a time shall be short circuited (or interrupted)”.

4. Creepage distances and clearances

Additional text relating to the insulation properties of printed circuit board over a metallic substrate (metal core printed circuit board – MCPCB). It is only to be considered as a single level of insulation (basic or supplementary).

Tables 8, 9, 10 and 11, and their applications have been replaced by a new table.

The above is a summary of the major content changes made by Amendment 1 2017 to IEC 61347-1: 2015, which should be helpful to luminaire manufacturers and factories.

Next step:

Clients planning to export goods to Europe after the next 1-2 years should prepare products according to the test requirements of the new standard.

For enquiries, please contact:

Karen Xie
Technical Manager
+86(0)20 82155380

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