The ABB 1SAZ711201R1035 is a 3-pole thermal overload relay with a current range of 3.1-4.2 AMP, suitable for 600 VAC/DC auxiliary circuits and 690 VAC main circuits. It operates at 50/60 Hz frequency, accommodates 18-12 AWG wire sizes, and functions within a temperature range of -25 to +60 degrees Celsius. The device features IP20 protection and conforms to T16-4.2 specifications.