Non-spark type explosion-proof three-phase five-pole plug socket, suitable for oil exploration, drilling circuits and other electrical connections, in line with the provisions of the national standard GB3836.8-2003 and the European standard EN60079-15:2005 "Electrical Equipment for Explosive Gas Environment Part 8: 'n" Electrical Equipment". Explosion-proof mark: ExnAII.T4. And obtained the European ATEX certification certificate, number: CE0470 Nemko 07ATEX3202. The series of products consists of two parts, plug and socket, of which the plug is mobile (YT), and the socket has three forms to choose from: (1) panel fixed (GZ), (2) mobile (YZ) and (3) oblique fixed. The connection method of plug and socket is bayonet type rapid connection, the contact and wire termination form is crimping, the contact part adopts elastic ring gear support positioning, and the rear assembly front disassemble structure. The plug seat adopts ZL-102 die-cast aluminum alloy, the contact parts are silver plated, the contact is reliable, the wiring is convenient, the sealing and insulation are good, and it has the characteristics of waterproof, dustproof, shockproof and so on.