Knockout Electrical Enclosures

Plastic knockout electrical enclosures from Polycase allow for the flexibility of onsite installation of cables, wiring or conduit.  Each enclosure base offers a variety of metric knockouts sizes that can simply be removed with a screw driver, instructions can be found here. Our knockout control boxes, plastic junction boxes and OEM enclosures are all German-engineered by Spelsberg and designed for tough commercial and industrial applications. 

20 total products

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SK-11-02SK-25 EnclosureSK-12-02SK-13-02SK-14-02SK-26 enclosureSK-15-02SK-16-02SK-27 EnclosureSK-29 PolycaseSK-17-02SK-18-02SK-28 spelsberg enclosureSK-19-02SK-20-02SK-21-02