WSA 304B 0101 - Gap ventilation module for WSC 204/304 61 Used only on surface mounted

Used only on surface mounted type WMX 804

Screw for WSB 300 0003

or MotorLink® actuators

Connection for USB host and USB device

Actuator for large and heavy windows – an elegant alternative to spindle actuators

WSA 304B 0101 - Gap ventilation module for WSC 204/304 61 Used only on surface mountedGap ventilation module suitable Used for smoke control panels type WSC 204 304 61 This module is used for time restricted opening of the comfort ventilation function. It is not always necessary for an electric actuator to open a ventilation unit (window or light dome) by its full stroke. Sometimes, a small gap is sufficient for ventilation purposes. This module enables time controlled limitation of the actuator stroke. The module has no influence on