Alpha 500 Series Models
| 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