觸點擴展，輸入：單通道接線，輸出：4 N/O, (t = 2 s 固定), UB = 24 V DC，寬度12.5 mm，可插拔螺絲式端子， 觸點塊用于觸點擴展 與安全相關的控制元件連接。 This product has been discontinued. The following products are fully compatible in function: 750109 7511...  更多