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Window Master WMS 306-n

By: Joseph

Brand: Window Master | Manufacturer Part numbers: Rock 230 V, Rock 24 V

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Skylights, roof windows
  • Pivot frames
  • Cupolas
Specifications at a glance:

Traction force:  600 N
Thrust force:  600 N
Strokes:  300 mm / 500 mm / 750 mm
Protection Class:  IP 54
Voltage supply: 230v AC, 24v DC

Colours Available:

Available in Silver Anodised

Bracket Options:
Get in touch for help picking the right brackets for your window.

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Strong actuator suitable for roof openings for comfort ventilation

To be used together with ±24V control units or control units with MotorLink®

Synchronization of up to 4 window actuators – no need for an external synchronization module

Genuine position feedback and 3 speeds when using control unit with MotorLink®

The electronics in this actuator can be programmed to suit specific requirements – i.e. pressure- and traction force, stroke, speed/sound level – with the WAT 100 programming box, this is also possible following installation

The actuator has an integrated reverse function to ensure a prolonged life span of the window gaskets

Brackets and fastenings to be ordered seperately.

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Window Master
WindowMaster brand products

Product Applications

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Pivoting frame windows
  • Roof windows
  • Cupolas
Product applications top & bottom hung , pivot windows & cupolas

Technical Details

WMS 306-n

Nominal voltage:
24V DC (+30% -20%) max. 10% ripple

Traction force:
600 N

Thrust force:
600 N  

300 mm / 500 mm /750 mm

Absorbed current at nominal load:
0,21 / 0,14 A  
0,63 A

Power absorption at nominal load:
17 W  
15 W

Average speed:
4 mm /s
4 mm / s

Length of power cable:
2 m
2 m
Electrical insulation:
  Class II
Class III 

Type of service:
2 cycles  
5 cycles

Operating temperature:
– 20°C + 70°C 

Protection Class:


End stroke stop:
Electronic with magnetic selector
Electronic with magnetic selector

Stroke travel at max load:
25 / 50 / 75 s  
25 / 50 / 75 s

72 x 34,5 x 344 / 444 / 594 mm  
72 x 34,5 x 344/ 444 / 594 mm

  0,89 kg
0,87 kg

Download PDF's

Window Master WMS 306-n instructions
Window Master WMS 306-n installation
Window Master WMS 306 Data Sheet