Schneider Electric New Unica Label Holder ISM10920P in polar white. This label holder measures 28 mm in length, 45 mm in height, and 23 mm in width. It is made from thermoplastic PC-ABS material, combining the strength and heat resistance of PC with the flexibility of ABS. PC-ABS also offers excellent structural definition and surface quality. Under specified conditions, the temperature of the air surrounding the entire device or fuse ranges from -5 °C to 40 °C. This device achieves an IP20 protection rating.