Call: 0845 519 0560 or 01702 826 267


D + H LDx-1-ACB

By: Joseph

Brand: D+H | Manufacturer Part numbers:  LDx-1

This product is suitable for:

  • Louver windows
Specifications at a glance:

Power Supply: 24 V DC / ±20 % / 1.6 A
Force: 1800 N
Nominal Locking Force: 5000 N
Protection Class: IP40

Colours Available:

Available in Anodized Aluminium

Bracket Options:
Options listed in Download Pdf below.
Get in touch for help picking the right brackets for your window.

Call 01702 826267 to order or for advice
Next Day Delivery on 100s of Products
Free for Trade & Public

Don’t worry call us on our product support line and our experts will give you free advice and guidance
to find the correct product for your application: 01702 826267


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.

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 DIN 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

Buy Now

Free Live Product Support - help finding window opener products

Order Now by Phone

The range of manual and electric window openers is vast and choosing the right solution depends on your needs. Our website carries just a sample of the most popular products we sell, but by no means covers everything we stock or can supply. It is always best to call us and we will help you confirm if it is the correct product for your exact needs.

To Order Dial: 01702 826 267


Product Applications

This product is suitable for:

  • Roof & Skylight windows
  • Top & bottom hung windows
  • Conservatory Ventialtion

Technical Details


Power 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

OPEN running speed:
2 mm/s


CLOSED running speed:
2 mm/s

IP 40

Emission sound pressure level:
LpA ≤ 45 dB(A)

Temperature range:
-5 °C … +75 °C

Fire resistance:
B300 (30 min / 300 °C)

Anodized Aluminium

2.5 m silicone cable

W x H x D:
365 x 67 x 38 mm

Download PDF's

LDx-1-ACB Instructions