LMLB1-1RLS4-52-80.0-1-01-V is a single-pole hydraulic magnetic circuit protector from the LEL series, featuring mid-trip indication, alarm switch, and electrical trip functionality. This device is configured for DC long delay (52) operation with an 80.0 amp current rating and series internal configuration. The circuit protector provides reliable overcurrent protection with a nominal DC resistance of approximately 0.00146 ohms at 80 amps. It features a black rocker handle with white markings and is VDE approved for international applications. These hydraulic magnetic circuit protectors are ideal for power switching, circuit protection, and accurate circuit control in equipment requiring compliance with international standards.