A9N21489 SCHNEIDER ELECTRIC

The A9N21489 from Schneider Electric is a Vigi TG40 earth leakage add-on block, designed to enhance the safety and protection of electrical circuits. As part of the ProDis series, this device is specifically engineered to work in conjunction with compatible circuit breakers, providing an additional layer of defense against earth leakage faults. This add-on block is configured for a 1P + N (1 Pole + Neutral) system, making it suitable for single-phase applications. With a rated current of 40A, it can handle moderate electrical loads. The sensitivity of 300mA ensures that even small earth leakage currents are detected promptly, minimizing the risk of electrical shock and fire hazards. It is easy to install and integrates seamlessly with existing circuit breaker setups. By detecting earth leakage currents, the Vigi TG40 helps to prevent electrical accidents and equipment damage. This device is essential for ensuring compliance with safety standards and regulations in residential, commercial, and industrial environments. The A9N21489 provides reliable and effective earth leakage protection, enhancing the overall safety of electrical installations.