IEC 61010-1 (UL 61010-1, EN 61010-1), Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1 I will appreciate if you can provide some guidance to me. IEC 60664-3:2016 applies to assemblies protected against pollution by the use of coating, potting or moulding, thus allowing a reduction of clearance and creepage distances as described in IEC 60664-1. Consider comparative tracking index (CTI) of your material. IEC 60664-1, Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests 2. It applies to equipment for use up to 2 000 m above sea level having a rated voltage up to a.c. 1 000 V with rated frequencies up to 30 kHz, or a rated voltage up to d.c. 1 500 V. For example for 33000 ft (10 IEC 60664-3:2016(E) is available as IEC 60664-3:2016 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. After operating voltage, the most significant factor in the clearance and creepage requirements for a printed circuit board comes from the material properties of your PCB. No pollution or only dry, nonconductive pollution occurs. I can not find an answer from IEC 60664. The test procedure and the resulting design requirements in terms of the clearance and creepage distances are defined in ISO 6469-3 and IEC 60664-1 (IEC 60664-1; 2007). ... where the clearance and the creepage distance are identical and are along the surface of solid insulation. Creepage vs. clearance in a PCB. This shows the minimum clearances and creepage distances by nominal, or rated, voltage and overvoltage, or rated impulse withstand voltage, under different pollution levels. The plaque also contained a recess for the supplied PCB. Section 10.4 of IEC 61439 provides the list referred to in IEC 60664-1, the basic safety publication “Insulation coordination for equipment within low-voltage systems”. Calculating Creepage and Clearance Early Avoids Design Problems Later ... creepage and clearance values can be determined from the figures provided in ... based on those in IEC 60664.3 • Pollution degree 1. 1. This document describes the requirements and test procedures for two methods of protection: IEC 60664-1:2007 Deals with insulation coordination for equipment within low-voltage systems. The dimensioning in this standard is more precise than that provided by IEC 60664-1. This part of IEC 60664 applies to assemblies protected against pollution by the use of coating, potting or moulding, thus allowing a reduction of clearance and creepage distances as described in IEC 60664-1. IEC 60664-1 deals with these issues, many product standard derive there creepage/clearance requirements from this std. 4 screws were recessed into the plaque. DIN VDE 0110, Dimensions of the creepage distances, part 1 section 3.2 3.


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