Nader NDU series surge protector (SPD) is used to protect the surge caused by lightning or other transient overvoltage, discharge the surge current on the power line to the ground, and limit the overvoltage. It is applicable to the power supply protection of industrial, construction, civil aviation, finance, securities, telecommunications, ports and other systems. It suppresses the instantaneous overvoltage amplitude of lightning and operating overvoltage, discharges the surge energy, and protects the safety of system circuits and equipment. Among them, ndu1 surge protector can be installed in the area of lightning protection LPZ0B/LPZ1, which is used to protect the aerial lines in the distribution system with AC 50Hz / 60Hz rated working voltage of 220V / 380V from direct lightning without attenuation
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NDU series of surge protector has obtained China Compulsory Certification (CCC) for products.
Nader NDP3A concealed distribution box series is applicable to indoor AC 50Hz or 60Hz, rated working voltage up to 440V, generally not exceeding 35 ℃ and occasionally reaching 60 ℃. It is used to provide protection for circuit breakers, switches, sockets and other electrical accessories against external influences (such as mechanical impact, invasion of liquid substances, etc.). The product can be widely used in the enclosure of electrical accessories for household and building fixed electrical devices.
Nader NDB6AZ-63H series MCB is mainly used in telecommunication machine room or communication cabinet with DC rated working voltage of 80V and below and rated working current of 4A to 63A (only for industrial use), as isolation, short circuit and overload protection of cabinet, machine room or downstream user line.