Rain sensor

WLA 331 01

  • Rain sensor
  • Used for registration of rain

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About WLA 331 01

Main features

  • Natural ventilation

    Natural ventilation

    The product is suitable for comfort ventilation to ensure that the building’s users enjoy a comfortable indoor climate

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

The sensor can be connected directly to the control units WUC 102, WUC 160 and to all WSC 3xx / 4xx units (smoke and ventilation control units) as well as via the sensor interface WLF 111 on the control unit WLC 100.


Rated Voltage18-26 V AC / 20-32 V DC
Size mm80 x 80 x 55 (H x W x D)mm
Size inch3 1/8” x 3 1/8” x 2 3/16” (W x H x D) "
MaterialPlastic housing
IP rating65

Delivery includes

Rain sensor with mounting brackets

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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