The Square D (Schneider Electric) Micrologic 6.0 P Electronic Trip Unit S164A is a high-quality circuit breaker designed for electronic applications. With its reliable Square brand reputation and advanced features, this electronic trip unit is a popular choice for businesses and industrial establishments seeking efficient and dependable electrical protection. The Micrologic 6.0 P offers exceptional performance and safety, making it a reliable option for various electronic systems. Open box never used new.