DIN Rail Mount Bracket for Raspberry Pi / BeagleBone / Arduino : ID 4557 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Sysly 2 Sets PCB DIN Rail Mounting Adapter Circuit Board Mounting Bracket Holder Carrier Clips, for 35mm, 15mm DIN Rail (Green) (2 PCS) : Electronics
DIN Rail PCB Support - Din Rail Enclosure
UM42 panel mount PCB DIN rail adapter DIN rail housing PCB mount PCB mounting PCB carrier DIN rail carrier DIN rail case|case case|case din railcase rails - AliExpress
PCB Circuit Board Mounting Bracket For Mounting DIN Rail Mounting 2x Adapter+4x Screws,hole pitch =32mm|bracket|bracket mountbracket rail - AliExpress
PCB Circuit Board Mounting Bracket For Mounting DIN Rail Mounting 2x Adapter+4x Screws,hole pitch =32mm|bracket|bracket mountbracket rail - AliExpress
Um90 Pcb Length 101-150mm Profile Panel Mounting Base Pcb Housing Pcb Din Rail Mounting Adapter - Connectors - AliExpress