This base unit is designed to be fitted with indicator bank to create complete tower light and allow clear display of the status of your machines.It is made of glass reinforced polyamide material and it allows the cable to entry from the side.It complies with EN/IEC 60947-5-1, EN/IEC 60068-2-27, UL 508, CSA, AS-Interface No 25701 standards with NEMA 4X protection.