Automation Systems Interconnect Inc.’s latest series of DIN rail mount enclosures are targeted at printed circuit boards (PCBs) and electronic components. The ASI series enclosures come in 12.5-, 17.5-, 22.5-, 35-, 45-, and 67.5-mm-wide housings. Ventilating slots help to ensure cooler, stable internal temperatures and reduce overheating issues. Snap-in covers enclose the opening of any unused connector slots. The cover can be cut to accept various connector interfaces and light-emitting diodes (LEDs).