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Three properties of industrial connectors

Promulgator : DIHAO Date : 2018-06-02

The industrial connector has three major properties, including mechanical properties, electrical properties and environmental performance.

Mechanical performance is mainly about Powercon Plug and pull for connection function. The insertion force is just like the force when the connector is inserted and the force when it pulls out. The usual industrial connector has a standard of pulling force because the insertion force is smaller than the pulling force, so there is a rule of maximum insertion force and minimum pulling force. Failure to comply with regulations will affect the reliability of contact. Another point is the service life and life expectancy of the industrial connector. He used the number of cycles to be inserted to evaluate the connector.

Electrical properties mainly include contact resistance, insulation resistance and electrical resistance. A low resistance connector is a high quality connector, because he does not affect the current in the contact circuit, usually with a resistance of several millieu to dozens of milliohms, and it needs to be reliable. The insulation resistance determines the insulation performance between the contact parts of the electrical connector and the contact parts and the shell, with the order of magnitude ranging from a few megabit to several Gigabit. The strength of the electrical resistance determines the performance of the connector. It can also be called voltage withstanding and dielectric withstand voltage.

It also includes relatively important environmental performance, and industrial connectors are used specifically for some complex and extreme industrial environments, such as high temperature, underwater, vibration, and impact. The environmental performance of the industrial connector also includes temperature resistance, moisture resistance, vibration and impact.

1. The general working temperature of the industrial connector at present is between 200 degrees centigrade and -65 degrees Celsius. The cause of high temperature is usually the heat generated by the current at the contact point, thus the working temperature is the temperature of the environment plus the contact temperature.

2. Waterproof connectors are usually operated underwater. The immersion of water or moisture will affect insulation performance and corrode metal parts. The moisture resistance condition of the connector is 90%~95% at relative humidity, 40±20℃, and the test time is at least 96 hours.

3, vibration and impact are important performance indicators of a connector, which proves the robustness and reliability of connectors.