Features 1The kit includes waterproof industrial plug and industrial concealed mount socket, with a 3 phase 4 pin design. 2With PA66 insulation shell, thickened treatment, the force performance is further improved. 3The contacts are made of brass, which has good conductivity and electrical performance. 4Rubber tightening plug can take one step to bite the wires and cables to effectively prevent loosening. 5The socket kit is suitable for various indoor and outdoor places, such as industry, agriculture, chemical industry, airport, power plant, water conservancy, etc. Specification Item Type: 4 Pin Power Plug Material: PA66 and Brass and Rubber Waterproof Industrial Plug Model: ZNG-014 Industrial Concealed Socket Model: ZNG-314 Working Voltage: 380V-415V Rated Current: 16A Phase: 3PandE Protection Level: IP44 Grounding Position: 6h Package List 1 x Plug 1 x Socket 1 x Gasket