The Moxa DK-35A is a DIN rail mounting kit fitting 35 mm rails. DIN rail clips are plastic and have mounting holes and screws included. DK-35A fit NPort 5200, NPort 5400, and NPort 2150 units.brbrThe Moxa line of accessories help fit Moxa devices to your application. From DIN rail clips to power supplies, Moxa has a full line of accessory products for your Moxa devices.