A powerful and weather-protected CEN Grade 5 padlock suitable for locking containers, storage rooms, gates and the like. The padlock is designed for mounting cylinders of the type Scandinavian oval cylinders. The oval cylinder is protected in the padlock by a 5mm thick hardened cover plate. The lock is delivered in a weather-protected design with sealing O-rings in the shackle holes. As an option, the lock is also available with a loose shackle to facilitate locking in hard-to-reach spaces.