Butt connector Cu, standard version. Technical data - Material: Cu-ETP in accordance with DIN EN 13600 - Surface: tin-plated, other surfaces on request - also suitable for fine-stranded conductors in accordance with IEC 228 - Annealed to copper hardness F 20. Cross section: 4 mm², Øi: 2.7, Øe: 5, L: 19, Weight per 100 pieces ~kg: 0.25, 7 mm: - , compression 5 mm: - , PU/piece: 100.