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Four-pole differential (4 poles)
€267.28 (€220.89 tax excl.)
Three- phase differential 4 poles (3P+N) 40A 300mA (0.3A) class B. It allows the detection of alternating leakage current up to 1kHz, pulsating current and continuous pure current, ensuring at all times the protection of people against insulation/derivation problems in electrical installations or elements. Breaking power 10kA. Class "B" is suitable for...