Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 1155:1997/A1:2002
• Năm ban hành / Publication date: 2002
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Building hardware - Electrically powered hold-open devices for swing doors - Requirements and test methods
• Phạm vi áp dụng / Scope of standard: This European Standard specifies requirements for separate hold-open devices and also for hold-open mechanisms incorporated in a door closer. Electrically powered hold-open devices for swing doors manufactured according to this European Standard can hold a swing door at a fixed position or can allow the door to swing freely. In each case interruption of the electrical supply will cause the controlled door to close positively.