IULHK111-1-42-50.0-01 is a single-pole hydraulic magnetic circuit protector designed for reliable circuit protection and power switching in international applications. This unit features a 50.0 ampere current rating with a 400 Hz long delay (42) trip characteristic, providing accurate circuit control with an interrupting capacity up to 50,000 amperes. The device incorporates a rocker-style handle with optional accidental-off protection and is available with panel mounting using 6-32 threaded or M3 ISO threaded mounting holes. Operating at +25°C, the protector exhibits trip time ranges from 5 to 70 seconds at 150% rated current and 2.2 to 25 seconds at 200% rated current, ensuring dependable protection across various load conditions. This circuit protector is ideal for equipment requiring VDE approval and meets or exceeds current performance specifications for international marketplace applications.