The General Electric R4503AT Main Disconnect Control Panel is a GE MR main disconnect unit configured for 480 V, 3‑phase power at 60 Hz with an 111 A rating. As a dedicated primary disconnect, it provides a single isolation point for downstream circuits and interfaces with protective devices in GE MR installations. This model is intended for industrial electrical environments where a reliable, hard‑disconnect interface is required to enable safe maintenance and energy shutoff.
