February 19, 2026
Electric Window Opener 230V ACK4 ACK 4 C/W Roof Vent Bracket & Frame Pin Set Kit
The ACK4 Chain Actuator from TOPP is our most popular electric window opener. With various bracket options to suit many types of framework, the ACK4 is an extremely versatile unit and can be used in both domestic and commercial properties. The ACK4 can be controlled in a variety of ways to suit your needs, from retractive wall switches and remote controls to temperature control panels and AOV panels for smoke ventilation. PLEASE NOTE THIS IS THE 230V VERSION. Available in 3 Finishes – Black, White or Silver. Suits Top Hung, Side Hung Or Roof Vent Windows From 200mm Tall (From Opening Edge To Hinges). Single Chain Opener Suits Windows Up To 1500mm Wide. Powerful 300N push & Pull Force (30kg). Easy Stroke Adjustment from 100 – 400mm Stroke. Less Than 300mm Long To Suit Smaller Window Widths. High IP55 Protection Against Impact And Water. Acoustic Buzzer To Warn Of Incorrect Fitting. Robust Diecast Body Particularly Suited To Schools And High Use Areas. Can Be Used In Pairs With A Tandem Panel. What’s in the box. ACK4 230V Actuator X1. ACK4 Vent Bracket Pack X1. ACK4 Roof Vent Bracket X1. ACK4 Frame Pin Set X1. ACK4 Side Bolts X2. ACK4 Instruction Booklet X1. PLEASE NOTE – THIS UNIT IS SUPPLIED WITH THE ACK4 ROOF VENT BRACKET AND A FRAME PIN SET WITH ALL 3 SIZE PINS. NO CONTROLS ARE INCLUDED WITH THIS KIT.