1:抗电磁干扰能强，可实现高密度安装。2:耐冲击电压1500V.FCC规格标准，实现耐高压。3:包金双接点，而且低接点振动，可以发挥高接触可靠性。4:品种齐全，用途广泛。型号:

　　DS2E-M-3V，DS2E-M-5V，DS2E-M-12V，DS2E-M-24V，

　　DS2E-S-3V，DS2E-S-5V，DS2E-S-12V，DS2E-S-24V，

　　DS4E-M-3V，DS4E-M-5V，DS4E-M-12V，DS4E-M-24V，

　　DS4E-S-3V，DS4E-S-5V，DS4E-S-12V，DS4E-S-24V，，

　　DS1E-M-3V，DS1E-M-5V，DS1E-M-12V，DS1E-M-24V