Alpha 500 (4) single-speed buttons
Alpha 520 (4) dual-speed buttons
Alpha 540S (6) single-speed buttons
Alpha 540A (6) single-speed buttons + (1) AUX button
Alpha 540T (6) single-speed buttons + (1) SELECT I/II micro button
Alpha 560S (6) dual-speed buttons
Alpha 560A (6) dual-speed buttons + (1) AUX button
Alpha 560T (6) dual-speed buttons + (1) SELECT I/II micro button
Alpha 580A-1 (10) single-speed buttons (labeled as 3 motions + 4 AUX)
Alpha 580A-2 (10) single-speed buttons (labeled as 4 motions + 2 AUX)
Alpha 580B (9) single-speed buttons + (1) SELECT I/II pushbutton*
Alpha 580C-1 (6) dual-speed + (4) single-speed buttons
Alpha 580C-2 (8) dual-speed + (2) single-speed buttons
Alpha 580D (10) dual-speed buttons
Alpha 580E (6) dual-speed buttons + (3) single-speed buttons + (1) SELECT I/II pushbutton*
Alpha 580F (8) dual-speed buttons + (1) single-speed buttons + (1) SELECT I/II pushbutton*

*SELECT Button is used for 5-motion crane systems with auxiliary hoist and/or trolley (changeover functions)

Alpha500 Series Transmitter Dimensions

Alpha500 Series Transmitter Dimensions