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Building hardware - Electrically powered hold-open devices for swing doors - Requirements and test methods (incorporating Amendment No.1 and Corrigendum Nos. 1, 2 and 3)

BS EN 1155:1997

Building hardware - Electrically powered hold-open devices for swing doors - Requirements and test methods (incorporating Amendment No.1 and Corrigendum Nos. 1, 2 and 3)

Document Status



Core Supplement




Specifies requirements for separate hold-open devices and also for hold-open mechanisms incorporated in a door closer intended to be used on fire/smoke compartmentation doors.


Amendment 14075 dated 20 February 2003 - See revised national foreword. Amendment 14400 is Corrigendum No.1 dated 13 March 2003 - National foreword corrected. Amendment 14492 is Corrigendum No.2 dated 23 May 2003 - Corrections to 7.2.1, 7.2.8, and 7.2.10. Amendment 16311 is Corrigendum No.3 dated 31 August 2006 - Corrections to clause 8 and ZA.3. Includes Annex ZA Provisions for CE Marking. This document is a candidate harmonized European Standard and takes into account the requirements of EC mandate M101 doors, windows, shutters, gates and related hardware. This standard is a hEN.




Publisher History

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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