◆ 可選帶以下功能： Optional with the function as follows:

→ 單極常開 SPNO(Single Pole Normally Open)

→ 雙極常開 DPNO(Double Pole Normally Open)

→ 雙極并聯(lián)常開 DPNOP(Double Pole Normally Open Paralleled)

→ 一極常閉，另一極常開 One Pole Normally Open, the other Normally Close

◆ 可選帶以下附件： Optional with the accessor as follows:

→ 濾波電容（電容值由客戶選定，一般為0.22μF或0.33μF） Suppression capacitor (commonly 0.22 or 0.33μF)