Connection adaptors, material: Cover: ABS, Chassis: Polyamide (PA 6.6)., Chassis 3439.010: Fibreglass-reinforced, thermoplastic polyester (PBT), Fire protection corresponding to UL 94-V0, color: RAL 7035, description: For connecting round conductors or laminated copper bars. For bar systems with 60 mm centre-to-centre spacing.