The Schneider Electric Acti9 iID (A9R51440) is a premium Four Pole (4P) Residual Current Circuit Breaker (RCCB) designed for 3-phase electrical systems. It provides robust protection for personnel against electric shocks by direct or indirect contact, as well as protecting installations against fire hazards due to earth leakage. As a Type A RCCB, it delivers advanced protection by detecting both alternating current (AC) and pulsating direct current (DC) residual currents, making it essential for modern circuits with complex electronic loads.Key FeaturesLife Protection: The highly sensitive 30mA threshold ensures immediate tripping to protect humans from fatal electric shocks.Type A Safety: Capable of detecting residual alternating currents as well as pulsating direct currents, making it ideal for circuits with electronic components (like variable speed drives, IT equipment, and LED lighting).3-Phase Application: 4-Pole (4P) design is specifically engineered to protect three-phase installations with a neutral.VisiSafe & VisiTrip Technology: Standard in the Acti9 range, it includes a green indicator for safe downstream maintenance (VisiSafe) and a red window on the front face for clear fault trip indication (VisiTrip).High Immunity: Advanced design prevents nuisance tripping in electrically polluted environments.Seamless Integration: Fully compatible with the broader Acti9 system, easily pairing with standard MCBs for complete circuit and earth fault protection.Technical SpecificationsFeatureSpecificationBrandSchneider ElectricSeriesActi9 iIDModel NumberA9R51440Current Rating40APolesFour Pole (4P / 3P+N)Earth-Leakage Sensitivity30mAProtection ClassType A (AC & pulsating DC)Operating Voltage (Ue)380...415V AC (50/60 Hz)Weight~370 gSEO KeywordsSchneider Acti9 iID A9R51440, 40A 30mA RCCB, Type A RCCB, Schneider 4P RCCB, 3-Phase Earth Leakage Circuit Breaker, Acti9 RCCB Bangladesh, A9R51440 Price BD.Note: Proper selection of an RCCB is critical for personnel safety. Type A is highly recommended over standard Type AC for modern residential, commercial, and industrial applications due to the prevalence of DC-generating electronics.
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