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HDL M/S04.1 product photo exact model
HDL M/S04.1 KNX four-zone dry-contact module with coloured connection wires attached, illustrative wiring photo; follow official installation instructions

HDL 4 Zone Dry Contact Module — S04.1

Price on request

HDL S04.1 KNX four-zone dry-contact input module. For monitoring compatible potential-free external contacts; confirm bus current, input wiring 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-S04-1-US Category: Brand:

Description

Four-zone KNX dry-contact interface by HDL Automation, manufacturer model S04.1.

Product function

Four-zone contact-input module in the KNX range. Confirm input configuration, permissible connection conditions and ETS group-object support.

Compatibility and installation

Supplier range: HDL KNX. Use the manufacturer technical sheet to verify wiring, controller compatibility, regional certifications, required accessories and professional installation requirements. Catalogue naming does not certify interoperability or electrical suitability.

Ordering

Availability, freight and final customer price require verification. The gallery contains an exact-model photograph showing illustrative wiring; cables shown in the reference photograph are not confirmed as part of the supplied package. This published listing is for enquiries only and not available for checkout.

Physical dimensions

49 × 31 × 12 mm (HDL supplier price list, Rev. 4.0, October 2026). Confirm model revision and enclosure clearances before installation.

Additional information

Dimensions 12 × 49 × 31 mm
HDL system

KNX
Manufacturer model

S04.1

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ERLONSO / PRODUCT INTELLIGENCE

Everything you need to choose confidently.

Clear specifications, guided system checks and installation notes — without guessing.

01

Is this right for your setup?

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02

Technical details

Manufacturer model
S04.1
SKU
HDL-KNX-S04-1-US
System / interface
KNX
Finish options
See variant selector
Dimensions
12 × 49 × 31 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.

FOR INSTALLERS & PROJECT PLANNING

Get the details before installation.

Save model information and verify the project requirements with the installer.

Open installation checklist +
  • Confirm the exact manufacturer model and variant
  • Check regional electrical and radio requirements, where applicable
  • Confirm wall-box, mounting frame, power and any additional interface
  • Verify software, commissioning and control-system compatibility
  • Confirm supplier stock, shipping, warranty and latest datasheet

This checklist supplements, but does not replace, model-specific installation manuals or qualified professional advice.

YOUR PROJECT, MADE SIMPLE

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Before you order

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.

Will I need accessories or professional installation?

Some devices require a hub, interface, mounting frame or professional setup. Check the model-specific description and installation instructions; we can help build the necessary parts list.

When can this be delivered?

Delivery times depend on actual supplier stock and destination. For products awaiting source verification, we will confirm pricing and timing before accepting an order.