BRITON 3934 Electromagnetic Hold Open/Swing Free Door Closer Size 3-4

The Briton 3934 electromagnetic door closer is engineered for optimal performance, ensuring safe and efficient door operation in high-traffic areas. Its integration with modern fire safety systems makes it an ideal choice for environments like schools, hospitals, and commercial buildings.

This advanced closer features both hold open and swing free functionalities, operating on a 24V DC connection linked to a fire alarm or smoke detection system. This allows the door to remain open during regular use, automatically closing in the event of an alarm or power failure. With adjustable closing speed and latch action, it accommodates doors up to 1100mm wide and 80kg, providing reliable adaptability.

The electromagnetic hold open mechanism is crucial for fire safety, releasing the door upon activation of the fire alarm to prevent the spread of fire and smoke. This feature is essential in maintaining accessibility without compromising safety.

The Briton 3934 is UKCA and CE marked, fully compliant with EN 1154 and EN 1155 standards, and meets accessibility guidelines outlined in Approved Document M. It is Certifire approved (CF5598) and has undergone fire testing in accordance with EN 1634-1, achieving a fire resistance rating of up to 2 hours (120 minutes) for timber fire doors.

Features

• Caption plate can be set to operate in hold-open or swing-free mode during installation
• Adjustable power size EN 3-4 for door & transom mount
• Complies with Approved Document M requirements
• Suitable for doors up to 1100mm wide and 80kg
• Adjustable closing speed and latch action
• Designed for low voltage circuits (24V DC) linked to fire alarms
• Guarantee: 10 Year Mechanical / 2 Year Electrical
• Supplied with a 330mm flexible armoured power loop
• Test switch to simulate fire conditions for operational checks
• Includes armset and brackets for door or transom mounting

This door closer not only enhances safety but also ensures compliance with fire regulations, making it a reliable choice for any building project.