IEG6-1-72-40.0-91-V is a six-pole hydraulic magnetic circuit protector manufactured by Airpax/Sensata that provides reliable circuit protection and power switching for equipment requiring international compliance. The unit features 50/60 Hz long delay (type 72) operation with a rated current of 40.0 amperes and is configured with screw terminals and a white rocker handle with black marking (ON-OFF I-O indication). It meets IEC spacing requirements mandatory for equipment complying with IEC specifications 601 and 950, as well as VDE specifications 0804 and 0805, and carries VDE and CCC approvals as indicated by the "V" designation. The protector exhibits a pulse tolerance of approximately 10 times rated current and provides trip time ranges from 1.8 to 100 seconds at 125% rated current down to 0.006 to 0.28 seconds at 1000% rated current, making it suitable for demanding industrial and international applications requiring precise circuit control and protection.