Description
The HDL 24-Zone Buspro Dry-Contact Input Module (manufacturer model HDL-MS24.232) is a professional automation module.
Function and technical details
24 independent dry-contact sensor or wall-switch inputs that can trigger compatible Buspro scenes and control targets. Controller supply 12–30 V DC; manufacturer reports 12 mA at 24 V. Mount on 35 mm DIN rail, approx. 144 × 90 × 64 mm. This module is an input device, not a 24-channel load relay.
Installation and commercial status
- Check power supply, signal protocol, load ratings, wiring, enclosures, fuse/breaker requirements and installation permissions with a qualified integrator.
- This is not a stand-alone Wi-Fi, Zigbee or Matter device; do not mix the HDL Buspro and KNX protocols.
- Stock, supplier discount, freight, tax/import treatment and final landed cost to Spain are not yet confirmed.
- Product remains draft and unavailable for direct checkout.
Product photo obtained from HDL Automation’s official model page. Supplier price reference: October 2026 HDL Buspro REV4 price list.



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