Topp C20 Chain Actuator
Electric C20 actuator with double link articulated chain, enclosed in a suitable casing, with different mounting accessories for top and bottom hung windows. Operation at 230V 50Hz or, as an alternative, at 24V DC. Maximum applicable load 300N. Fast hooking and unhooking system of the chain to the window.

Adjustment of the force and of the stroke at 240 or 360mm by external knobs. Electronic end of stroke in closing by current absorption control.
CE marked device.


Free Live Product Support - help finding window opener products

Order Now by Phone


We offer free expert phone guidance & advice to both trade and public

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 it is the correct product for your exact needs.

To Order or for Advice – Dial: 01702 826 267

Additional information

Stroke (mm)

Selectable, 240, 360

Max Force (N)


Supply Voltage


Max Current (amps)


Max Speed (mm/s)


Window Types

Bottom Hung, Centre Pivot, Rooflight, Side Hung, Skylight, Top Hung

IP Rating




Black, Grey, White










Product Applications

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Bottom-hung windows
  • Skylights, roof windows
  • Cupolas

Technical Details

C20 230V
C20 24V
Power voltage:
230V ~ 50Hz
min 21V ~ max 28V
Max applicable load in thrust:
300 N
300 N
Max applicable load in traction:
200 N
200 N
Strokes (selectable at any time):
240 e 360 mm
240 e 360 mm
Absorbed current:
0,12 A
0,43 A
Idle translation speed:
8 mms
7,5 mms
Duration of the idle stroke:
46 s
48 s
Double electrical insulation:
Service type:
S2 di 4 min
S2 di 4 min
Operating temperature:
– 5°C + 50°C
– 5°C + 50°C
Protection Class:
  IP 30
Window mounting adjustment:
not necessary
not necessary
Parallel connection option:
Stroke end:
Electronic in opening, by amperometric absorption in closing
Electronic in opening, by amperometric absorption in closing
362x48x34 mm
362x48x34 mm
0,970 kg  (the indicated weight is subject to variations, depending on the chosen accessories)
0,970 kg  (the indicated weight is subject to variations, depending on the chosen accessories)

Video Tutorials

Top Hung Topp C20 Chain Actuator Installation Guide

View Bottom Hung Installation Guide View Skylight Installation Guide

Download Product PDF's

Download TOPP Chain actuator C20 PDFsTOPP Chain actuator C20 instructions

TOPP Chain actuator C20 pdf details

Related Products