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ABB 10-channel KNX binary input BE/S 10.20.3.2

ABB

ABB 10-channel KNX binary input

KNX input module with 10 channels for potential-free contacts, requiring external contacts or input signals.

Product type
Sensors & inputs
Model / SKU
BE/S 10.20.3.2
KNX connection
KNX; consult the exact model documentation and ETS application

Connecting this device to Matter

This product uses KNX. A compatible bridge can expose selected functions to Matter through its IP connection. The KNX device itself does not become a Matter over Thread device.

Functions to map through a bridge

  • Contact state
  • Button events

Selected native KNX functions can be mapped using a suitable Matter bridge. Additional probes, contacts, couplers, controlled equipment or temperature controllers may be required as described below. Exact device–bridge combinations have not been tested.

Commission the KNX installation in ETS, then configure the bridge with the required group addresses, data types and status feedback. Check the exact bridge firmware and your Matter platform. Native KNX functions, electrical ratings and Matter functions are separate specifications.

Function mapping is not a tested device–bridge pair or individual Matter certification for this KNX model. Protection functions and essential local automation should remain in the KNX installation.

Bridge options by function

These options match the product’s KNX functions to capabilities documented for a bridge. Open the bridge for its requirements and limitations.

1Home Voice & Visu

Function mapping, not a tested device–bridge pair

Contact state · Button events

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

1Home Server KNX Pro

Function mapping, not a tested device–bridge pair

Contact state · Button events

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

Atios KNX Bridge

Function mapping, not a tested device–bridge pair

Contact state · Button events

Proposed from documented KNX and bridge function types. Verify the exact ETS application, required command/status objects, KNX Secure access and receiving-app support. This model–bridge pair has not been physically tested.

View mapping source ↗

Technical specifications

Door / window input · Buttons

Inputs
10
Input signal
Potential-free contacts
Security
KNX Data Secure

Sources & limitations

Product research reviewed: Nov 5, 2026. This is separate from price, stock and installation-test dates.

Model, firmware & function limitations (3)
  • Requires a commissioned KNX installation, mapped group addresses and a KNX-to-Matter bridge that supports the selected function. Exact device/bridge pair not physically tested.
  • External sensors or contacts required; use the specified input voltage or dry-contact wiring. Button event export requires bridge-specific support.
  • Exact model and KNX function identified in manufacturer documentation. Matter applicability is function-level and requires bridge configuration; not a tested pair.
Manufacturer documentation & sources (3)
  • ABB — 10-channel KNX binary input ↗Reviewed Nov 5, 2026
  • KNX Association product registry — BE/S 10.20.3.2 ↗Reviewed Nov 5, 2026
  • ABB BE/S 10.20.3.2 technical documentation ↗Reviewed Nov 5, 2026
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