Communication Protector - Model NP-80 The Communication Protector, Model NP-80 is used for protecting communication lines. It consists of a 3-electrode gas tube surge arrester and is equipped with fail-safe functions. The molded parts are mainly made from glass fiber reinforced plastics and have superior water-proof and anticorrosion characteristics.

Item Standard Striking Voltage DC 420V +/- 20% Striking Voltage Range +/- 20% Surge Striking Voltage 1000V or below when tested with a waveform of 10X200µs Max. Surge Current Capacity Once or more at 2000A with a waweform of 10X200µs Fail-safe Action When an alternating current flows the short-circuit mechanism is activated within 15 second

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