12 way strips with captive screws. Supplied with screws undone. Flame retardent polypropylene (-25C to +100C). Insulation voltage: 250V according to EN 60998-2-1Use at 400V integrated in a series of products that comply with the requirements of EN 60664-1 - pollution degree 2 - overload category III. Ambient temperature from -25C to +55C