DIN Rail Mount Screw Terminal Block Adapter Module, For Arduino UNO R3.

With the adapter module, you can easily extend Arduino projects to industrial control applications.
Pitch 3.81mm/0.15" screw terminal block.
Terminal block: wire range 26-16AWG, strip length 5mm, Metric M2 slotted screw.
FR-4 fiber glass PCB, dual copper layers.
PCB Dimensions: 80mm x 72.5mm(W x L).
Module Dimensions: 83mm x 87mm x 45mm (W x L x H).
Fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail, and the carrier can be taken apart for panel mount use.

Note: the item not include Arduino-UNO module and iron rail.