Window/Door Contact Eltako FFKB-wg Wireless (model 30000423) — battery-powered wireless sensor for contact monitoring

Eltako FFKB-wg Wireless is a battery-powered window and door contact sensor designed to detect and transmit open/closed status changes to compatible wireless alarm and home-automation systems. The compact sensor pair mounts on a frame and sash or door and frame to monitor contact state without wiring. It communicates wirelessly to report status for security monitoring, energy-saving scenarios and automation triggers, allowing remote state reporting and easy installation in existing buildings.

Advantages

The sensor requires no cabling and operates on battery power, enabling fast installation and flexible placement. Its wireless transmission provides reliable reporting of contact changes to a compatible receiver or gateway. The compact design is suitable for discreet mounting on windows and doors, and the device is compatible with Eltako wireless systems and other supported receivers for straightforward integration into alarm and automation setups.

Suitable for

Key specifications

How to use

Mount the sensor body on the frame and the magnet on the moving part (sash or door) so that they align within the specified gap for reliable detection. Insert the battery according to the polarity markings and pair the device with a compatible wireless receiver or gateway following the receiver's pairing procedure. Place the sensor within the recommended wireless range of the receiver and verify correct operation by opening and closing the window or door to observe state reports in the receiving system.

Recommendations

Position the sensor where the magnet and sensor remain aligned when the window or door is closed, avoid mounting on metallic surfaces that can obstruct radio signals, and check battery status periodically. For reliable integration, consult the receiver or gateway documentation for supported device types and pairing instructions.