Linear lock drive

VLD 51

Compared to the FRA 11-BSY+, this window locking drive is not located on the sash. Instead, it can be integrated into the window profile so that it is no longer visible from the outside. Manual unlocking in emergency situations is possible at any time.
VLD 51/038 VLD
Product NamePriceQty
VLD 51/038

Performance features

  • Can be used for openings for smoke exhaust; D+H Euro SHEV in accordance with EN 12101‑2; and for daily ventilation
  • For operating standard latch pane fittings
  • Connection of D+H window drives with BRV message
  • Window drives with a total current up to 2.5 A can be connected
  • Manual emergency unlocking possible
  • Configurable locking direction on the drive
  • Increased burglary protection

Technical Data

Supply 24 V DC / ±20 % / 1 A
Locking force 500 N
Breakaway force 1000 N
Service life > 10000 cycles
Stroke 18 - 38 mm
OPEN running speed 4.2 mm/s
CLOSED running speed 4.2 mm/s
Type of protection IP 50
Emission sound pressure level LpA ≤ 70 dB(A)
Temperature range -5 °C ... +50 °C
Fire resistance B300 (30 min / 300 °C)
Housing V2A stainless steel
Connection 2.5 m silicone cable
W x H x D 493 x 25 x 25 mm


TypeArt. NoStrokeWeightRemark
VLD 51/03823.060.5038 mm1.20 kg
VLD23.060.001.20 kgVariable equipment possible

Approvals / Certificates

These products are also available with the following approvals:

Find out about permission details from your D+H Partner.


VLD 51/038 - Linear lock drive (522.65KB)

VLD 51/038 - Linear lock drive (2.47MB)

VLD 51 - VLD 51-BSY+ - Linear lock drive (923.7KB)

VLD 51/038 [23.060.50]
VLD [23.060.00]