According to the standards of industrial waterproof electrical industry, the number of cores of industrial plug is mainly divided into three types: 3 cores (2P+E), 4 cores (3P+E), and 5 cores (3P+N+E). Executive standard: German industrial standard DIN VDE 0623, European/ international standard EN / IEC 60309-2. Select industrial plug with different number of cores under different working voltage environment. For example, if the industrial voltage is single-phase (220 V), select 3-core; if the industrial voltage is three-phase (380V), choose 4-core or 5-core.
Shanghai Pinji Electronic Technology Co., LTD. is one of the professional wiring equipment enterprises that engage in development, design, manufacturing, sales and service. Products range: junction box series, nylon cable gland series, metal cable gland series, air vent valve series, corrugated conduit series, watertight corrugated tube fitting series, quick connector series, rubber series etc. At present, the company has obtained CE, UL, TUV, IP67 waterproof and other certification certified by EU system. Our products are designed and tested to meet a wide range of applications, even under the most severe conditions.