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LYD2-D surge protector for AC 50/60HZ, 230/400V power supply system, lightning or surge over voltage protection built-in failure of the product from the device, when the surge protector due to over-voltage over-current, breakdown failure, failure from the device can automatically remove it from the power line out, while status indicator from green to red windows applications: first-class lightning protection (protection grade B)
Class B lightning current SPD protection for lightning equipotential bonding installed in LPZOA area or LPZOB area and LPZ1 area at the junction, is widely used in various types of power level (B level) over-voltage protection is usually installed in the building into the line of low-voltage main distribution cabinet or within low-voltage main switch and so on.
Applications: Second-class lightning protection (protection grade C)
C-level lightning current SPD protection for lightning equipotential bonding installed in LPZOB area or LPZ1 area and LPZ2 area at the junction, usually installed in the floor power distribution box, computer center, telecommunications room, the elevator control room, cable TV Housing, building automation room, security monitoring center, the fire center, industrial automatic control room, conversion equipment, control room, the hospital operating room, intensive care unit and is equipped with electronic medical equipment, power distribution box location. can also be installed in the small residential total distribution the box.
Application: The third stage lightning (protection grade D level)
D-level lightning current SPD protection for lightning equipotential bonding installed in LPZ1 area or LPZ2 area and LPZ3 area at the junction of the end of electrical equipment to meet the protection requirements, usually installed in airports, factories computer networks, intelligent buildings, residential and other equipment inside the front or the nearest outlet.
Transient surge protector / power surge protector