Installation protective conductor terminal, assembly instructions: To ensure the N busbar is securely fixed, support blocks must be placed at the beginning and end of each terminal block and every 20 cm for longer terminal blocks. You can find the appropriate support blocks at phoenixcontact.com/products, nominal voltage: 400 V, nominal current: 38 A, screw connection, rated cross section: 6 mm², cross section: 0.2 mm² - 10 mm², mounting type: NS 35/7.5, NS 35/15, color: gray