Connector locking system screw Termination Screwing Wire gauge (mm) 0.75 mm² Wire gauge (AWG) 18 Cable outlet 4 - 6 mm Degree of protection IP67 Mechanical operation > 100 mating cycles Upper temperature 85 °C Lower temperature -40 °C Rated voltage 250 V Rated impulse voltage 2500 V Pollution degree 3 Overvoltage category II Material group III Rated current (40°C) 4 A Volume resistivity ≤ 3 mΩ (Gold) Material of contact CuZn (Brass) Contact plating CuSnZn (Optaloy)