Heavy-duty Connector Contact Resistance Industry Standard

In industrial-grade connection solutions, the wire connector heavy duty contact resistance is an electrical parameter that cannot be ignored during the design and selection process, and it has a profound impact on overall performance. Industry standards such as QC/T-1067 and GMW-3191 clearly specify the contact resistance and voltage drop between heavy duty electric cable connectors terminals, with differences in the maximum allowable contact resistance value and measurement methods among different standards.

In the heavy duty automotive electrical connectors electrical parameter system, contact resistance occupies a core position, directly reflecting the performance of the electrical interface between contacts. This parameter is typically in the milliohm range and, along with insulation resistance, dielectric withstand voltage, and other indicators, constitutes a complete electrical performance evaluation system.