IELK1-1-52-50.0-01-V is a single-pole hydraulic magnetic circuit protector from the IEL series, designed for reliable circuit protection and power switching in international applications. This VDE-approved device features a DC long delay (52) characteristic with a current rating of 50.0 amps and a nominal resistance of 0.003 ohms at rated current. The unit includes stud terminals (K designation) and a black toggle handle with white markings. At 125% rated current, the trip time ranges from 2 to 60 seconds, while at 200% rated current it trips within 1 to 10 seconds. This circuit protector is suitable for equipment requiring accurate circuit control and protection with compliance to VDE 0660 standards.