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The KNX RF / ENO Window Sensor 490 secure is a compact, invisible window sensor for hidden installation in the window frame or rabbet. The opening status (closed, tilted, open) is monitored using optical sensors. Acoustic alarm and radio message for burglary or glass breakage. Works on 868.3 MHz for both EnOcean and KNX RF, with support of KNX Security and EnOcean Security. Secure radio communication; connection to the KNX bus possible via a KNX RF/TP media coupler. Power supply via three CR2032 batteries. Dimensions (LxWxH): 197 x 24 x 8.2 mm. Art. no. 5545.
Orders over $500 ship free within the USA (under 50 lbs). Orders under $500 carry a low cost shipping fee.
Most in-stock orders ship within 1–2 business days from Miami, FL. Delivery typically takes 3–5 business days depending on destination.
For freight or oversized orders, our team will contact you with a custom quote.
All KNXSupply products are covered by the manufacturer's warranty, ranging from 1 to 3 years depending on the brand. Warranty terms are fulfilled directly by the manufacturer.
If you experience any issue, contact us and we'll coordinate the claim process on your behalf.