Padlocks and padlock fittings

LPCB offers certification of padlocks and padlock fittings to one or more of the following standards:

  •  LPS 1654: Issue 1 Requirements and testing procedures for the LPCB approval and listing of padlocks
  •  EN 12320: 2012 Building hardware - Padlocks and padlock fittings - Requirements and test methods

 

LPS 1654 was developed because it was considered the method for classifying the attack resistance of padlocks specified within the current European standard (EN 12320) was incompatible with that employed within LPS 1175: Issue 7 Requirements and testing procedures for the LPCB approval and listing of intruder resistant building components, strongpoints, security enclosures and free-standing barriers. This was because:

  • The manual attack tests defined in EN 12320 did not take into consideration the wide range of tools and attack techniques available to an attacker.
  • The tools, attack techniques and available working time defined in EN 12320 did not correspond with the security rating classification system defined in LPS 1175.
The security ratings defined in LPS 1654 are loosely based upon domestic risks (security ratings 1 and 2), commercial risks (security ratings 2, 3 and 4), high security risks (security ratings 5 and 6) and extremely high security facilities (security ratings 7 and 8).

When selecting padlocks, it is important to consider whether the hasp and staple, padbar or other device to which the padlock is fitted offers comparable resistance to manual attack.

The following definitions are used in this section:

  • Padlock with closed shackle - A padlock with ‘shoulders’ on the top of the body that partially protect the shackle.
  • Padlock with open shackle - A padlock with no ‘shoulders’ on the body, as illustrated in the figure below.
  • Shackle clearance - The distance between the top of the padlock body and the underside of the shackle, as illustrated in the figure below.

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