IEG111-1-61-20.0-91-V is a single-pole hydraulic magnetic circuit protector designed for reliable circuit protection and power switching in equipment requiring IEC compliance. This unit features a 50/60 Hz short delay characteristic (61 code) with a rated current of 20.0 amperes and operates with push-on terminals in a series configuration. The protector is equipped with a white handle marked with ON-OFF/I-O markings and meets IEC spacing requirements mandated by IEC specifications 601 and 950, as well as VDE specifications 0804 and 0805, with both VDE and CCC approvals. The device provides accurate circuit control and low-cost protection suitable for international equipment applications, particularly in automation systems and sensitive circuitry requiring isolated overload sensing.