倍福宁M12接近开关GAM4-12GM-D1金属感应器直流两线常开DC6-36V ¥16.00 Pefun倍福宁GAM4-12GM-N1/N2/P1/P2/D1/D2/A1/A2接近开关传感器 ¥24.00 倍福宁接近开关GAM4-12GM-N1 P1 A1 D1圆柱通用型传感器感应开关 ¥24.00 倍福宁平面安装传感器GPM20-48K-N1三线24V接近开关GPM18-42K-P1 ¥16.00 倍福宁M18接近开关传感器GAM8-18GM-N三线NPN常开直流24V两线交流 ¥30.00 倍福宁磁性霍尔传感器感应接近开关SAT10-12GM-N1 SAT10-8GM-N1 ¥24.00