FER-OTS 73x BG hold-open system set

with slide rail, with electromechanical hold-open device FE, with smoke switch module RSM

Product characteristics

  • Solution for 1-leaf doors with door leaf widths up to 1400 mm

  • Tested and certified in accordance with EN 1155

  • Tested and approved by DIBt (German Institute of Building Engineering)


Electromechanical hold-open device FE

Device that allows a door to be held open at a chosen angle until it is closed electrically.

  • Pre-mounted laterally on the slide rail

  • Technical data

    • Operating voltage: 24 V DC

    • Power consumption: 1.9 W

    • Duty ratio: 100 %


Smoke switch module (RSM)

For supplying electricity to all components of a hold-open system (hold-open device, electromechanical hold-open magnet, fire detector, smoke release push-button and other elements).

  • Technical data

    • Input voltage: 230 V AC, 50/60 Hz

    • Operating voltage: 24 V DC

    • Output current: max. 460 mA

    • Power consumption: 21 W

    • Power output: max. 11 W

OTS 73x series of door closers

  • Door closers in the OTS 73x series are not included in the scope of delivery of the hold-open device set and must be ordered separately.

  • Door closer type: Surface-mounted door closer with slide rail
  • Number of door leafs: Single-leaf
  • Maximale Türflügelbreite (1-flügelig, in mm): 1400
  • Function: Hold-open system according to EN 1155, Tested and approved by DIBt (German Institute of Building Engineering)
  • Application/installation type: Standard installation on side opposite to hinges (BG)
  • 1-leaf fire and smoke protection doors

  • 1-leaf swing doors

  • Hold-open angle 85° – 140° steplessly adjustable

  • Min. door leaf width 870 mm

  • Max. door leaf widths

    • 1250 mm (OTS 735 BG)

    • 1400 mm (OTS 736 BG)

  • DIN left and DIN right usable

  • For use on the side opposite to hinges

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