The RS-SE-501 Secure Circuit Breaker System enables control of in-home appliances using a secure wireless link. It is a fully self contained circuit breaker system with an integrated IEEE 802.11 bgn Wi-Fi sub-system, contactors, AC-DC transformer, microcontroller, power management unit and built-in antenna along with an option to connect an external antenna. This system retains the existing electro-mechanical circuit breaker functionality for over-current protection and provides a manual overrid of the Wi-Fi based control. In addition to the WLAN functionality with WPA2 security, this system also implements IPSec and a network stack that terminates TCP/IP and UDP connections with IPv6 capability. This system can be configured through UART or through wireless. Features: Fully self-contained wireless secure circuit breaker with support for normal mechanical operation for over current protection and when wireless is not enabled or active. Compliant to 802.11b/g and single stream draft 802.11n Integrated antenna, option for external antenna, frequency reference, and low-frequency clock Configuration and firmware upgrade through wireless and UART Includes an ultra low power microcontroller for applications and network protocol support