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Differential 4 poles 40A 30mA Class B
€124.63 (€103.00 tax excl.)
Three- phase differential 4 poles (3P+N) 40A 30mA (0.03A) class B. It allows the detection of 50Hz sinusoidal and pulsating signals with mixed components and pure direct current component signals, ensuring at all times the protection of people against insulation/derivation problems in installations or electrical elements. Breaking power 10kA. Class "B"...