● Switch input isolation type safety gate, switch input isolation type safety gate, accept the contact/proximity switch input from the side of the dangerous place, through the safety gate isolation transmission to the safety place output, with relay or transistor output normally open/normally closed conversion setting function.
● DRG-1600 one in and one out
● DRG-1601 One in two out
● DRG-1620 two in two out

● Switch input isolation type safety gate, switch input isolation type safety gate, accept the contact/close switch input from the side of the dangerous place, through the safety gate isolation transmission to the safety place output, with transistor output normally open/normally closed conversion setting function.
● DRG-1602 in and out
● DRG-1604 One in two out
● DRG-1623 two in two out

● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1700 one in and one out
● DRG-1720 Two in two out
● DRG-1703 One in and one out independent power supply

● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1701 One in and one out
● DRG-1721 Two in two out
● DRG-1704 One in and one out independent power supply

● Switch output isolation gate, switch output isolation type safety gate, safety place on one side of the contact switch signal through the safety gate control or drive the field of intrinsic safety equipment work, intrinsic safety equipment such as solenoid valve, audible and visual alarm, etc.
● DRG-1702 in and out
● DRG-1722 Two in two out
● DRG-1705 One in and one out independent power supply