They look brand new to me but selling as Used but excellent condition just in case. Black Neutrals NO BOX The Eaton MEM MR30 30mA Field Fit RCD Pod Type a RCBO is a reliable and high-quality electrical device designed for wall mounting in interior spaces. This RCBO features a Type A tripping characteristic, ideal for providing Safety Circuit Protection and Earth Fault Protection. With a voltage of 240V and a current rating of 16-30 A, this DIN Rail-mounted device offers a maximum amperage of 240/415 V. The compact size of 67mm x 120mm x 18mm makes it suitable for use in various rooms, while its screw terminal electrical connection ensures easy installation. The Eaton brand ensures a product that is both efficient and durable for electrical wiring applications.