Chain Window Actuator
Dieffematic TELION 250N-400mm

Dieffematic TELION chain actuator, a versatile and robust automation system designed to open and close your windows with complete convenience. Featuring a compact sandblasted aluminium design and universal power supply, it is the ideal choice for those seeking reliability, aesthetics and technology in a single device.

Applications

GThanks to its flexible installation options, the TELION chain actuator is ideally suited to a wide range of residential, commercial and industrial settings:

Window types: Suitable for sash windows, side-hung windows, outward-opening windows, bottom-hung windows and various types of skylights.

High or hard-to-reach windows: Particularly suitable for windows installed high up or in locations that are difficult to reach manually.

Smart Integration and Safety: Fully compatible with various automatic control systems, such as thermostats or smoke detectors, enabling easy, automatic opening when needed.

Dimensions: Optimised for small windows, up to 470 mm

Product Features

Knob-Adjustable Stroke: No programming skills required; the stroke is adjusted manually using a convenient knob on the motor housing, with settings of 100 mm, 200 mm and 300 mm, and a maximum stroke of 400 mm.

Premium Materials and Excellent Mechanics: The double-layer chain is made of stainless steel to ensure stability, quality and smooth operation over time.

Robust and Quiet Construction: The outer housing is made of sandblasted aluminium, while the cover and brackets are made of die-cast zinc alloy. The two fire-retardant ABS supports and the POM sliding guide minimise noise, making the actuator exceptionally quiet and safe.

Built-In Safety: To protect your windows and the actuator itself, the system features an intelligent automatic stop that activates immediately if an obstacle is detected.

Universal Voltage: Supports a wide AC supply voltage range of 100 to 240 V, making it suitable for power grids in any country.

Technical Specifications

Model: TELION 250N-400mm

Rated voltage: AC 100-240V

Push / pull force: 250N / 250N

Speed: 10 mm/s

Selectable stroke: from 100 to 400 mm

Operating temperature: from -20°C to +65°C

Motor dimensions: 455 x 42 x 56 mm

Protection rating: IP32

Electrical wiring diagram:

Blue: Neutral

Brown: Closed

Black: Open

Yellow/Green: Earth

The installation is guided step by step and is suitable for top-hung, bottom-hung or centre-pivot windows. You can download the official guide directly from the link below:

Technical Manual

24-month warranty