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Medeco 50 and 52 Series padlocks can be used in a variety of indoor or outdoor applications including industrial safekeeping, perimeter gates, cargo vehicles, vending machines, gun cabinets, and more.


The Medeco 50 Series and 52 Series brass padlocks are available in two versions. The 50 Series Padlock is available with a removable cylinder or interchangeable core. The 52 Series Padlock is designed to be keyed with Medeco’s 60 Series cam locks and switch locks.


  • 50 Series available key technologies: M4, M3, XT (LFIC only), M3 Cliq (LFIC only), original, biaxial
  • 52 Series available key technologies: M3, original, biaxial
  • Patented Key Control: Protects against unauthorized duplication of keys
  • Hardened boron alloy steel shackles provide strong resistance against cutting, sawing and prying. The stainless steel shackle protect against corrosion
  • 50 Series: 2-1/4″ shackle height available
  • 52 Series: 1-1/8″, 1-3/8″, 1-7/8″, 2-2/8″ shackle heights available
  • Protection from physical attack, picking and bumping
  • Finishes: 50 Series – Satin Brass; 52 Series – Satin Chrome
  • Can be master keyed into a system containing Medeco 4 (M4), X4, and M3 CLIQ
  • 50 Series and 52 Series padlocks are available in the non-key retained or key retained functions
  • Available keyed differently, keyed alike, or master keyed to your specific needs
  • Optional dust cover protects keyway of cylinder from weather conditions
  • 2 year manufacturer’s warranty