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SK Series Press Release

Press Release

Plastic NEMA 4X Enclosures with Metric Knockouts Come to US Market

Avon, Ohio, November 9, 2015 – Polycase, a US manufacturer of plastic electronic enclosures, has recently introduced the SK Series of plastic NEMA enclosures with metric knockouts. The German designed enclosures are weather-resistant and can easily withstand tough industrial environments with an IK08 impact rating and UL508 Type 4X and 12K listing, and IP66 rating.  

Manufactured from fiberglass-reinforced polycarbonate, the SK Series is available in 12 sizes ranging from 2” x 2” to 14” x 10” and come standard with metric knockouts in the base of the enclosure. The knockouts allow for quick and flexible entry of wiring, cables, or conduit onsite.

Polycase offers a variety of cable management and venting accessories to fit the SK Series knockouts. Additional accessories for the SK Series include internal aluminum mounting panels, PCB spacer kits, external mounting feet, and PCB mounting screws.

With extensive experience in CNC machining and printing, Polycase can add cutouts or digital printing to the SK Series enclosures. For more information on Polycase’s value-added services visit


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