Hirose Electric HR41A circular waterproof connector. IP68-rated plastic housing connectors are designed to provide advanced reliability and high power usage in a variety of harsh outdoor environments. These include LED lighting (tunnel lighting, street lights, etc.), industrial, construction sites, marine and agricultural harsh environment lighting, base station transceivers, robots and electronic toll collection systems in wet environments. The HR41A series includes bayonet locks, cable mounting plugs and surfaces Board-mounted socket, can withstand a maximum current of 10A. The five-position connector has a housing size of 17. The HR41A's sequential contact structure is designed to connect the ground contact before the power contacts during mating as an additional safety measure. In addition, the lightweight housing is resistant to harsh environmental conditions, such as sunlight (tested at 2000h), salt spray (tested at 1500h), and waterproof (up to IP68 rating). The company said that the HR41A also has a special wall structure that can withstand 15kV lightning surges.