Break glass unit (secondary) without audiable signal, metal housing

WSK 331

  • Secondary break glass unit
  • Without an audible signal
  • Metal housing

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About WSK 331

Main features

  • Smoke ventilation

    Smoke ventilation

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

Product Details

Break glass unit (secondary) in metal housing without audible signal for smoke control panel type WSC 204, WSC 304, WSC 308, WSC 316 and WSC 4xx.
The coloured LED indicates fire triggering or if a fault is present on the system.

Press function:
– press button for ”EMERGENCY OPEN”

LED -Display:

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


MaterialMetal housing
Break glass unit typeSecondary
Rated Voltage24 V DC
Data communicationNo
IP rating40
Size mm125 x 125 x 36 (H x W x D)mm
Colour optionsGrey

Delivery includes

Break glass unit with key unit and ”SMOKE VENT” text labels (22 languages)

Intelligent control of windows: MotorLink®

MotorLink® is a communication technology that enables 2-way control and feedback between window actuators and the Building Management System via the MotorController. All WindowMaster control systems are MotorLink® capable with many of our actuators. Click below to learn more and see related products.

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