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HDL original manufacturer photo: exact model S24.1
HDL KNX M/S24.1 24-zone dry-contact module, close view of bottom IN 15–24 terminal row and KNX connector
HDL KNX M/S24.1 dry-contact module shown at an angle with side rating label and front terminals visible

HDL 24 Zone Dry Contact Module — S24.1

Price on request

HDL M/S24.1 KNX 24-zone dry-contact input module for potential-free switches and sensors. Supports KNX switching and scene functions; confirm cable lengths, supply and ETS configuration.

KNXCheck compatibilityProduct advice available
HDL — quotation / availability on request

Supplier stock, delivery to Spain and the final installed configuration must be confirmed. Ordering is not yet available for this item.

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SKU: HDL-KNX-S24-1-US Category: Brand:

Description

The HDL 24-Zone KNX Dry-Contact Input Module (manufacturer model S24.1) is a professional automation module.

Function and technical details

24 independent potential-free input channels for KNX/EIB functions such as scenes, switching, shutters and controls. Supplier full model code M/S24.1 (the imported SKU omits M/). KNX bus 21–30 V DC, approx. 90 × 72 × 64 mm, 35 mm DIN-rail. Commissioning requires ETS.

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.
  • This published listing is for enquiries only and unavailable for direct checkout.

Product photo obtained from HDL Automation’s official model page. Supplier price reference: October 2026 HDL KNX REV4 price list.

Gallery: two model-matched HDL M/S24.1 KNX reference photographs showing terminal positions and a side identification label. These are views of the same KNX device, not the similarly named HDL-MS24.232 Buspro module. Refer to the manufacturer wiring documentation before installation. Reference images: HDL distributor catalogue.

Additional information

Dimensions 63 × 72 × 90 mm
HDL system

KNX
Manufacturer model

S24.1

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01

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02

Technical details

Manufacturer model
S24.1
SKU
HDL-KNX-S24-1-US
System / interface
KNX
Finish options
See variant selector
Dimensions
63 × 72 × 90 mm
Weight
Not confirmed
Availability
Confirm stock and delivery before ordering

For additional manufacturer specifications, read the detailed product description above. Missing values are deliberately not estimated.

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  • Confirm the exact manufacturer model and variant
  • Check regional electrical and radio requirements, where applicable
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  • Verify software, commissioning and control-system compatibility
  • Confirm supplier stock, shipping, warranty and latest datasheet

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Does this work with my existing hub or system?

Compatibility depends on the precise model, regional variant and installed system. Use the check above and ask us if the documentation does not explicitly confirm compatibility.

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