Briton 3934.SSS electromagnetic overhead closer

Technical Specification

Features:
  • Make: Briton
  • Model code: 3934.SSS
  • Door Closers: Yes
  • Accessories: Electromagnetic Overhead Closer
Additional info:

Low projection template adjustable closing power size EN 3-4 door & transom mount, EN 3 parallel arm mount applications Certified, UKCA & CE marked for door mount pull, transom mount push and parallel arm mount applications Catch plate can be set to operate in hold-open or swing-free at the point of installation Adjustable closing speed & latch action Designed for use on low voltage circuits 24v DC linked to a fire alarm Supplied with armset and brackets for door mount, transom or parallel mounting Electromagnet is controlled by the building fire alarm/detector and activates the ‘catch plate’ to ensure the door closes automatically in the event of a fire or power failure Test switch simulates fire condition to check operation Supplied with flexible armoured power loop (330mm long as standard) to run power safely from the door frame to the closer

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Make Briton
Manufacturer Allegion plc
Category Access Control>Access control system accessories
Model code 3934.SSS
Door Closers Yes
Accessories Electromagnetic Overhead Closer

Product description

Briton 3934.SSS Electromagnetic Overhead Door Closer

The Briton 3934.SSS Electromagnetic Overhead Closer enhances both safety and convenience, making it an ideal solution for high traffic areas such as care home bedrooms and school corridors. This door closer can be configured at installation for either 'hold open' or 'swing free' operation. In the event of fire or when power is lost, the electromagnet disengages, ensuring the door closes securely to contain any potential fire spread.

Key Features

  • UKCA and CE marked, certified to EN 1154, EN 1155, and fire tested to EN 1634-1.
  • Designed for low voltage circuits of 24V DC, compatible with fire alarm systems.
  • Adjustable closing speed and latch action for tailored door control.
  • Optional hold-open or swing-free catch plate configuration during installation.
  • Supplied with arm set and brackets for door, transom, or parallel arm mounting.
  • Softline cover available in satin stainless steel (SSS) or silver (SES) finishes.

Ideal Use Cases

Briton's 3934.SSS door closer is particularly suitable for environments that require a seamless combination of security and accessibility, such as care homes and educational institutions. Its adaptive hold-open functionality is essential in supporting high-frequency pedestrian traffic while ensuring safety in emergency situations.

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