General description Schneider A9N21492 is a differential block designed for electrical safety, featuring a 3P + N configuration. It is part of the Vigi TG40 series, ensuring reliable protection against electrical faults. Technical specifications Short device name: Vigi TG40 Poles: 3P + N Rated operating current: 40 A Pitch: 9 mm Differential sensitivity: 30 mA
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