3-pole, 2P+E, 2-pole and earth - 3-phase. Ground pin location at 6 o'clock - lower pin. Suitable for campers, caravans, RVs, refrigerated vans, power tools, workshops, machinery, compressors, etc. Current: 16A Voltage: 220V-250V Protection level: IP44 Material: Plastic Blue color Size: approx. 13.2 x 7.7 x 6.9 cm/5.20 x 3.03 x 2.72 inch Quantity: 1 piece Note: Size for manual measurement, there may be 0-2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks very much. Package List: 1 x 16 Amp Surface Mount Socket