Can be locked by turning the red ring. Coupling housing material: PP (polypropylene). Housing material: TPE (elastomer). Design: in accordance with DIN 49440. Conductor cross-section of the connecting cable 0.75 to 2.5mm². Number of poles: 2 + PE. Protective contact: Design as side protective contact in accordance with DIN 49440. Max. permissible external diameter of the connecting cable: 12 mm. Strain relief: Pressure piece with 2 screws. Test mark: ÖVE, NF, CEBEC Certified according to DIN ISO 9001.