MPL-A4560F-SK74AA
市面上常见的电磁继电器有一组触点、两组触点和三组触点的。为了保证在实验过程中大程度避免触点本身因为质量问题造成的偶然失效，并尽可能保证在大空间内检测触点接触压力，所以实验过程中放弃选取具有一组触点和三组触点的电磁继电器，而选择具有两组触点的电磁继电器。
继电器触点接触压力是指在继电器工作过程中，继电器的触点与其它电源之间的接触压力。这个压力越大，接触就更牢固，从而确保继电器工作的稳定性和可靠性。同时，适当的接触压力也有助于减少电接触的电阻和电弧发生的可能性。继电器的接触压力可以通过调整继电器的接触力度来实现。
MPL-A4560F-SK74AA
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