1520 - 1520 Escape Sash Lock


  • Hardened steel deadbolt thrown 25mm by 90° turn of key or thumbturn.
  • Latchbolt deadlocks automatically when door is closed.
  • Latchbolt reversible without opening lockcase.
  • Lever handle at one side withdraws latchbolt. Lever handle on other side withdraws both latchbolt and deadbolt.
  • Available with either 50mm or 70mm backset.


Exterior [PROD3] Interior

Key operates deadbolt and latchbolt. Lever handle retracts latchbolt. Latch automatically deadlocked.

Turn operates deadbolt and latchbolt. Lever handle retracts both deadbolt and latchbolt.


  • Product has been successfully type-tested for conformity to BS EN 12209.
  • Regular audit testing is undertaken.


  • *Supplied with special box striking plate to accommodate the 25mm deadbolt throw.
  • The 1520 cannot be used with standard ASSA Modular security strikes.