The 103349 surge arrester from Noark is a Class 2 device engineered to safeguard electrical systems from overvoltages typically associated with transient fast switching operations or indirect lightning strikes. With a voltage protection level of 275 V AC and a maximum discharge current capacity of 20 kA, it is well-suited for installation in both main boards and sub-distribution boards. To ensure optimal protection, it is recommended that these surge arresters be installed at intervals of every 10 to 20 meters of cable length.<br><br>Designed for coordination with the Class 1 EX9UE1 35 line, the EX9UE2 20 275 achieves this through the use of a 10-meter cable. The surge arrester's construction incorporates varistor elements, which are known for their low response time to voltage spikes, providing prompt protection against electrical surges.<br><br>Featuring a modular design, the surge arrester allows for the replaceable insert, facilitating easy and efficient replacement of functional modules in the event of burnout from frequent overvoltage occurrences. The 1+N pole configuration ensures compatibility with a wide range of electrical systems. The product's EAN is 8592765033505....
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