IP68 is the classification of waterproof and dustproof. It is the protection level of the electrical equipment shell against the invasion of foreign matters. The source is the Standard IEC 60529 of the International Electrotechnical Commission, which was also adopted as the American national standar......

Differential mode surge refers to the surge applied between the live line L and the zero line n at the input end of the power supply system, or between the lines of the three-phase power supply line. The huge voltage difference will cause damage to the electrical equipment.

Surge lightning protector, also known as surge lightning protector, is referred to as lightning protector for short. It is an electronic device that provides safety protection for various electronic equipment, instruments and communication lines.