APC Maintenance Bypass Panels , Input: 100V, 120V, 230V , Input Connections: Hard Wire 3 wire (1PH+N+G) , Output: 100V, 120V, 230V , Output Connections: Hard Wire 3-wire (H N + G). Includes: Installation guide, Rack Mounting brackets, User Manual. -19 inch Rack-Mountable. -Quick Transfer Rate. -Wrap Around System Bypass.