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BM4021LN is a part of the BM Group, a company specializing in manufacturing a complete line of electromechanical products. The BM4021LN is a miniature, SMD pushbutton switch. It has an embossed plastic case and it requires a pressure of 0.3N to operate. Its contacts are rated for 5A, AC 500V or 0.3A, DC 24V. The BM4021LN is suitable for applications such as home appliances, automotive electronics, music systems, remote controllers, as well as other consumer electronics.