Window Opening Solutions - Natural Ventilation, Smoke Ventilation, Electric Actuators & Manual Controls

5 star reviews from our customers 5 star google reviews

Call us today for advice
01702 826 267

Home»Control Systems»Smoke Accessories»Window Master WSK 504 Break Glass Unit

Window Master WSK 504 Break Glass Unit

Call us for latest pricing

Brand: Window Master | Manufacturer Part numbers: WSK 504

Break Glass Unit

Specifications at a glance:

Housing: Metal

Size: 125 x 125 x 36mm (WxHxD)

Colours Available:

Product Information


Break glass unit (primary), metal housing, no connection for components

  • Primary break glass unit
  • With an audible signal
  • Metal housing

Smoke ventilation

The product is suitable for smoke ventilation and use natural driving forces for the efficient exhaust of smoke and heat

Primary glass break unit, metal housing, for manual activation of smoke ventilation system.
The glass break unit is suitable for smoke ventilation panels type WSC 310, WSC 320, WSC 520, WSC 540 and WSC 560.

With connection for components.


Break glass unit with:

  • data communication (break glass unit bus)
  • an audible signal. When opening the door the signal will be interrupted
  • coloured LEDs for indicating fire triggering or if a fault is present on the system

Spare parts (glass, keys etc.) can be ordered separately.

Additional information



Window Master
WindowMaster brand products

Technical Details

WSK 504
Rated current:
24V DC
IP rating:
Data communication:
Break glass unit bus
Size: between MotorController and remote control:
125 x 125 x 36mm (WxHxD)
orange, yellow, grey

Download PDF's

Window Master WSK 504 instructions

Window Master WSK 504 installation

Window Master WSK 504 Break Glass Unit Data Sheet

Related Products