Usage 15A-300A YT / GZ / YZ non-sparking broadcast plug socket products used in the electrical connection field mobile power station cable and load. Widely used in the field of petroleum, chemical, defense, power and transportation. Plugs, sockets aluminum shell, electrical contact with the surface of silver and wire termination methods as crimping. With the plug fast, easy wiring, electrical contacts, reliable, good sealing and insulation, waterproof and dustproof Impact shock, long life characteristics. Compliance with BG3936.8-2003 "for explosive gas atmospheres electrical equipment - Part 8" n "electrical equipment" standard. The The series explosion-proof electrical products designated by the National Quality Supervision and Inspection measure center inspection proof mark: ExnA11T4 for explosion-proof certification and production licenses. Scope altitude does not exceed 2000m relative humidity less than 95% (+25 ° C) ambient temperature -20 ° C to +40 ° C explosive gas mixture properties: Zone 2 explosive gas mixture: IIA, IIB, Ⅱ C major technical parameters Working voltage: AC220V AC400V Working Current: 15A, 25A, 60A, 100A, 150A, 200A, 300A Mechanical life: 1000 Contact resistance: 0.0008Ω Insulation resistance: 100M | ? Insulation Dielectric strength: 2000V (220V), 2500V (400V) Protection class: IP54