Description
HDL 17-Channel KNX Mixed-Load Actuator (manufacturer’s complete KNX model code M/MHR17U.1).
Purpose and specifications
Seventeen total outputs: twelve 5 A TV8 relay outputs and five 10 A magnetic-latching relay outputs, intended for compatible lighting, curtain and fan-coil control. Manufacturer reports approximately 144 × 90 × 66 mm DIN-rail module and auxiliary supply requirements.
KNX integration
- The imported WooCommerce SKU omits the manufacturer’s M/ prefix; match purchase orders to the full model code shown here.
- Requires ETS configuration, correctly sized KNX bus supply, compatible loads and dedicated circuit protection by a qualified installer.
- This is not a universal Buspro, Zigbee or Wi-Fi unit; actual application topology and relay loading must be verified.
- Supplier stock, purchase discount, freight and EU installation documentation remain unconfirmed. This published listing is for enquiries only and is not available for checkout.
Source: HDL KNX Price List Rev4 October 2026 p9, model M/MHR17U.1. Product image verified against the matching KNX distributor listing.
The added exact-model view shows the KNX M/MHR17U.1 17-channel combined actuator in profile with its connections and DIN-rail housing. Reference: exact model photo. Check hardware revision and installation parameters before ordering.


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