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ABB OVR BT2 Series Surge Protector (Lightning Arrester)

Brand and Model: ABB OVR BT2 series, specific model 40-440C (3P+N configuration, أي., three-phase four-wire system). الوظيفة الأساسية: Used to discharge high-amplitude lightning currents, protecting electrical equipment from overvoltage damage. Suitable for lightning protection systems in civil and industrial buildings. المعلمات التقنية الرئيسية: الجهد المقنن (جامعة كاليفورنيا): 440V, suitable for three-phase AC circuits. Rated Discharge Current (في): 40ال (8/20μs waveform), withstands…