IEC 61300-3-46:2025

IEC 61300-3-46:2025 provides a standard for the measurement of guide pin bore and fibre bore diameters for rectangular ferrules used in connectors specified in the IEC 61754 series. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) addition of fibre bore measurement;
b) addition of force gauge method;
c) addition of Annex A on temperature dependence.