In daily life and industrial production, plugs, as core components for power transmission, the firmness of their pins is directly related to electrical safety. Once the pins become loose, fall off or displace, it may not only cause electrical appliances to power off and stop working, but also trigger serious safety accidents such as short circuits and electric leakage, posing a severe threat to life and property safety. Therefore, it is crucial to conduct scientific and accurate verification of the firmness of plug pins, and the plug pins fixation verifying test apparatus is the professional tool to achieve this goal.
The working Precinple of Plug Pin Firmness Test
The plug and socket-outlet standards in various countries have set clear test requirements for the firmness or retention of plug pins, such as IEC 60884-1 Clause 24.11, IEC 60335-1 Clause 22.3, BS 1363-1 Clause 12.11.1, EN 50075 Clause 13.4, VDE 0620-2-1 Clause 24.10 and etc.. However, different standards have different requirements for pull force. The plug is positioned on the steel plate in such a way, that the centres of the circles circumscribing the pins coincide with the centres of the holes. A pull P equal to the maximum withdrawal force is applied for 1 min on each pin in turn, in the direction of the longitudinal axis of the pin.

Choosing a high-quality pin firmness verifying testing device is to add a solid guarantee to the safety performance of plug products. Our pin firmness testing device is strictly designed and manufactured in accordance with relevant international and domestic standards, featuring easy operation, stable performance, and accurate detection, which can provide you with comprehensive and reliable plug pin firmness verification services.


