Louvre window drive


Controllable down to the millimetre: the louvre drives of the LD Series can be integrated directly into the building management system using the ACB bus technology, based on Modbus. It is also easy to add new functions.
Product NamePriceQty

Performance features

  • Max. force of pressure and tensile force of 1400 N and 1800 N
  • Holding force of 5000 N for very large louvre windows
  • Louvre window drive can be adapted for all common louvre manufacturers (such as EuroLam, Fieger, HAHN, NACO, Schneider + Nölke)
  • Centrally supported driver position
  • Developed based on EN 12101-2
  • Can be used  for openings for smoke exhaust and for daily ventilation
  • With BSY+ motor and synchronised electronics controlled via microprocessor
  • With a sound pressure level of LpA ≤ 45 dB(A), the drive is among the quietest of its class
  • Corrosion‑protected drive components
  • Programmable drive functions and different drive parameters
  • Additional passive and active anti‑trap protection system for the main closing edges with reversing function
  • Integrated ACB (Advanced Communication Bus) bus interface with Modbus RTU protocol
  • The drive is integrated directly via open bus communication through the ACB (Advanced Communication Bus), e.g. in a building management system

Technical Data

Supply 24 V DC / ±20 % / 1.6 A
Force of pressure 1800 N
Tensile force 1800 N
Nominal locking force 5000 N
Nominal force 1800 N
Service life 20000 double strokes
Stroke 36 - 90 mm
OPEN running speed 2 mm/s
CLOSED running speed 2 mm/s
Type of protection IP 40
Emission sound pressure level LpA ≤ 45 dB(A)
Temperature range -5 °C … +75 °C *
Fire resistance B300 (30 min / 300 °C)
Housing Aluminium
Surface Anodized
Connection Silicone cable
W x H x D 365 x 67 x 38 mm
* In accordance with VdS 2580


TypeArt. NoRemark
LDx-124.021.10Variable equipment possible

Potential drive options

Approvals / Certificates

These products are also available with the following approvals:

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


LDx-0700-0090-1-PLP-FS - Louvre window drive, fail-safe (190.22KB)
LDx-1, LDx-5, LDx - Louvre window drive (158.87KB)

LDx-1 - Louvre window drive (2MB)

LDx-1-ACB, LDx-5-ACB - Louvre window drive (1.34MB)
LDx-1-PLP, LDx-5 - Louvre window drive (1.23MB)

LDx-1 [24.021.10]