Siemens 48ASA3M20U is a solid-state overload relay in the ESP100 family designed for three-phase motor protection, rated for 0.25–1 A in circuits up to 600 V AC. This panel-mount relay features a manual reset and is specified for use with Siemens 14-series contactors (14CS, 14DS, 14ES) to safeguard motors in control panels. Weighing approximately 0.95 lb, it provides compact, reliable protection within standard motor-control schematics for 3P applications.
