◆ 可選帶以下功能： Optional with the function as follows:
→ 雙極常開 DPNO (Double Pole Normally Open)
→ 單極常開 SPNO (Single Pole Normally Open)
◆ 可選帶以下鎖定類型： Optional with Following lock types:
→ 無鎖 No Lock
→ 閉合鎖定 Lock-on
→ 斷開鎖定 Lock-off
→ 斷開鎖定帶閉合鎖定 Lock-off with Lock-on
◆ 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0.22uF或0.33uF） Suppression capacitor (commonly 0.22 or 0.33μF)
→ 電纜線壓線板和螺釘 Pressing Board for Cable and Screw
