Sensor enclosures for the IoT designed around PCB sizes

The ABS UL94-HB 1551V is available in black, grey and white as standard; four plan sizes, 80x80, 80x40, 60x60 and 40x40mm are all 20mm high, maximum PCB sizes are 74x74, 74x34, 54x54 and 34x34mm respectively.

Four PCB mounts are moulded into the base and the 20mm height gives enough space for board-mounted RJ45, USB and other standard communication interfaces. To simplify access, the snap-fit closure allows repeated opening and closing without tools. There are ventilation slots on all four vertical faces and mounting slots and a 15mm cable knock out in the base.

Environmental sensors monitoring basics such as temperature, humidity and pressure are widely installed, and are now increasingly intelligent sub-systems, with data processing and communications capability embedded on a small PCB. For active components that produce relatively large amounts of waste heat, the 1551V obviously provides excellent airflow for cooling purposes.