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About This Item
Full Description
- creepage distances for pollution degree 4 are no longer valid (see Table 2);
- insulation requirements for Class II equipment are defined (see Table 3);
- dielectric test voltage interpolation restriction lower limit is changed to 220 V and interpolation for control and welding circuit is clarified (see Table 4);
- maximum temperature for insulation systems are reviewed in accordance with current edition of IEC 60085 (see Table 7);
- marking of terminals is defined (see 10.3);
- table for nominal voltages of supply networks is changed adopting Table B.2 of IEC 60664-1:2007 in place of the Table B.1 values referenced in the previous edition to provide for equipment to be connected to both earthed and unearthed systems. The change impacts the creepage and clearance distance requirements for some supply voltage ratings (see Annex A);
- touch current in fault condition are measurement procedures are clarified (see 6.4.4 and Annex C);
- welding circuit touch current is defined (see 6.2.6);
- touch current in normal condition are clarified and moved in protection against electric shock in normal service (see 6.3.7);
- heating test conditions are clarified (see 7.1.1);
- external surface temperature rise limitation is changed (see 7.3.2).
Document History
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IEC 62135-1 Ed. 2.0 b:2015
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Resistance welding equipment - Part 1: Safety requirements for design, manufacture and installation- Most Recent
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IEC 62135-1 Ed. 2.0 en:2015
Resistance welding equipment - Part 1: Safety requirements for design, manufacture and installation- Historical Version
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IEC 62135-1 Ed. 1.0 b:2008
Resistance welding equipment - Part 1: Safety requirements for design, manufacture and installation- Historical Version