3WA9111-0AA22 SIEMENS

The 3WA9111-0AA22 is an accessory designed for use with Siemens 3WA series air circuit breakers. Specifically, it functions as an external metering current sensor tailored for the neutral (N) conductor. This sensor is compatible with frame size 2 circuit breakers within the 3WA range. Its design incorporates a window-type configuration, facilitating easy installation and integration with the existing electrical system. Notably, the product is supplied without a copper bar, allowing for flexible connection options based on specific application requirements. This external sensor enables precise monitoring of the neutral conductor current, contributing to comprehensive energy management and electrical system protection. By providing accurate current readings, it supports informed decision-making regarding load balancing and potential fault detection. The 3WA9111-0AA22 enhances the functionality of the 3WA circuit breaker, ensuring reliable and efficient operation. Its robust design and compatibility with Siemens circuit breakers make it a valuable component for industrial and commercial power distribution systems.