Residual current circuit breaker Vigi N40 Multi 9 OEM, 300mA. 3-pole+N, nominal current 40A, type AC, operating voltage (Ue) 400-415V, insulation voltage (Ui) 440V A-SI. Vigi N40 residual current blocks for N40N offer protection against electric shock from direct and indirect contact and fire protection in the event of insulation faults. Technology of the trip unit - residual current. Additional accessories can also be attached to circuit breakers that are combined with a Vigi module. Additional auxiliary modules that can be added in series (optional) - display of switch position (OF), fault tripping (SD), shunt release (MX, MX+OF), undervoltage release (MN, MNs, MNx). Tool-free installation on the left side of the device. The Vigi N40 residual current circuit breaker complies with the following standards - IEC/EN 61009-1.