The Astra S Series stainless steel mortise lock range has been successfully tested on fire door assemblies for up to four hours, in accordance with Australian Standards AS1905 Part 1, Fire Resistant Doorsets.

As tested by the CSIRO, the Astra S-Series received a full four hour fire rating when installed with a recommended fire security door.

The total range of Astra S-Series stainless steel mortise locks have been engineered to conform to Australian Standard AS4145.2 1993, level D3 durability and level S2 physical security. Level S3 physical security is available as an optional extra and if required must be requested at the time of ordering.