·PHG-22DH-7173,PHG-22DH-7174,PH
·PHG-11DZ-51,PHG-11DZ-52,PHG-11
·PHG-12DZ-514,PHG-12DZ-522,PHG-
·PHG-22DZ-5153,PHG-22DZ-5154,PH
·PHG-11DT-53,PHG-11DT-54,PHG-11
·PHG-12DT-611,PHG-12DT-711,PHG-
·PHG-22DT-6161,PHG-22DT-7171,PH
·数字量通信隔离器PH-S502,PH-S50
·PHD-11DD-21检测端安全栅