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  • advantages products
  • DAS NFS 61-937 sheet XIV
  • Automatic voltage selection : 12/24/48 V DC
  • Surface-mounted or built-in fitting
  • Specially developed for double action prehung door unit
  • V-lock bolt adjustable in 3 sizes:
    • +/- 30 mm on the lateral side (special double action prehung door unit)
    • +/- 10 mm in height
  • High resistance to forced entry: thrust and shearing of 1400 kg
  • Weak energy consumption: 4.8 W in the idle state, 9.6 W in open/close phase
  • Recommended for High rise buildings, Hospitals, Retirement Homes, Alzheimer care unit, buildings open to the public, etc.

GROOM motorised lock GRS 620 for access control and evacuation of emergency exits. Motorization with automatic voltage selection 12/24/48 V DC for control access

(power supply 3 A) and automatic voltage selection 24/48 V DC for the fire alarm connection (9,6 watts maximum n operation and 4,8 W at rest).


  • Built-in fitting version approved in PV DAS door with majority of technical doors manufacturers.
  • Surface-mounted version with dimensions of less than 50 mm, allowing easy installation on lintel, in brushed stainless steel finish.
  • Equipped with 3 dimensions adjustable strikes allowing a catch of space up to 30 mm and adapted to the dimension of the doors.
  • Serial equipment of door contacts locked / unlocked, door closed and alarm fault.
  • Equipped with a time delay adjustable from 5 to 30 s.
  • 3rd condition mode series, reverse polarity protection.
  • Silent and fast lock (0,5s) by 2 bolts of 16 diameter length 20mm resistant to 1400 kg of thrust and shearing.
  • Versatile design for vertical and horizontal installation on single and double action doors.


DAS NFS 61-937 Sheet XIV compliance