Switches: 25 each, 3-position, four-pole lever action with positive detents, self-wiping with precious metal contact surfaces SBA325 includes 25 push-on/off intercom switches LEDs: 25 red LEDs provided Finish: Panels finished in black with color coded guidelines Termination: Mass termination via centerline connectors Dimensions: SBA225 – 1 rack space; 19"W x 1-3/4"H x 2"D SBA325 – 2 rack spaces; 19"W x 3-1/2"H x 4"D Shipping Weight: SBA225 – 4 lbs. SBA325 – 6 lbs. Associated Equipment: Bogen Model SCR25A Call-In Module Bogen Model TZMA Time Zone Module Bogen 25-Series Centerline Connector Kit