Break glass unit (primary), plastic housing, with connections for components

WSK 501

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

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About WSK 501

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

Primary glass break unit, plastic 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, WSC 560.

Smoke detector and keypads can be connected directly to the break glass unit - this saves cabling.

Break glass unit with:

  • data communication (break glass unit bus)
  • connection for smoke detector and keypads
  • 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.


MaterialPlastic housing
Break glass unit typePrimary
Rated Voltage27 V DC
Data communicationYes
IP rating40
Size mm125 x 125 x 36 (H x W x D)mm
Colour optionsGrey

Delivery includes

Break glass unit with key and "SMOKE VENT" text labels.

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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