The EX-21A-PN is a basic, rugged enclosure from Panasonic designed to protect electronic and electrical components inside industrial and commercial applications. This NEMA 1 steel enclosure features a rating of IP-10 for moisture, dust and corrosion protection. The panel-mountable enclosure provides a secure mount for DIN rail, printed circuit boards, and other electrical and electronic parts. The EX-21A-PN has a variety of features, including a removable rear cover, 1/2 inch knockouts, and a rear bracket for mounting. It also features three standard sizes of 18, 24 and 36 inches.