The ABB TA25DU-1.4 is a 3-pole thermal overload relay with a rated current of 1.4 AMP, suitable for 690 VAC and 440 VDC applications. It operates at 50/60 Hz frequency and features 1NO/NC contacts with auto/manual reset capability. Designed for temperatures ranging from -25 to +55 degrees Celsius, it meets IP10/20 protection standards (1SAZ211201R1023).