Several factors affecting the performance of terminal blocks?

I. Several factors affecting the performance of the terminals?1, the choice of terminal materials at present, the terminals are composed of metal parts + insulation shell, of which most of the metal parts are made of high-quality copper, while the insulation shell is made of UL94V-0 grade raw materials! Copper: good electrical conductivity, low contact resistance, corrosion resistance; insulation shell: flame retardant fire, halogen-free and phosphorus-free, does not produce toxic gases. 2, the design of the terminal terminal design to follow the principle of: to meet the user's needs under the premise that as far as possible in line with compliance with the IEC / DIN and VDE standards! 3, the plating of the terminal terminal plating of the role of the terminals: to enhance the corrosion resistance, abrasion resistance, enhanced Hardness! Currently the terminal tin/nickel plating is more common, and test whether the plating is excellent method can be tested through the corresponding salt spray test. 4, the insertion force of the terminals terminals in the use of the process, the main problem is the insertion force between the terminals and terminals! Because the positive pressure of the terminal shrapnel is caused by instability, thus causing the terminal contact surface resistance increases, resulting in an increase in the temperature rise of the terminals, resulting in connector ablation and loss of conductive function and other issues.

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