Scalable switching control for professional KNX building automation projects.
Compare channel capacity, rated current and control functions to select the right KNX switch actuator for residential, hotel and commercial automation projects.
| Specification | SD4L.10.1 4-Channel | SD8L.10.1 8-Channel | SW4L.20.1 4-Channel | SW8L.20.1 8-Channel | SW12L.20.1 12-Channel | SW24L.16.1 24-Channel |
|---|---|---|---|---|---|---|
| Channels | 4 | 8 | 4 | 8 | 12 | 24 |
| Rated Current | 10 A | 10 A | 20 A | 20 A | 20 A | 16 A |
| Load Type | Lighting | Lighting | High-load switching | High-load switching | High-load switching | Multi-circuit switching |
| Manual Override | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Scenes & Logic | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| KNX Bus Powered | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| DIN Rail Width | Confirm datasheet | Confirm datasheet | Confirm datasheet | Confirm datasheet | Confirm datasheet | Confirm datasheet |
| Product Details | View Model | View Model | View Model | View Model | View Model | View Model |
Model specifications may vary by hardware version and project configuration. Please confirm the latest datasheet before specification or ordering.
Choose from 4-, 8-, 12- and 24-channel KNX switch actuators for lighting, electrical loads and building automation projects.
Compare channel capacity, rated current and control functions across our KNX switch actuator range to select the right model for your residential, commercial or hotel automation project.
| Specifications | SD4L.10.1 4-Channel / 10 A | SD8L.10.1 8-Channel / 10 A | SW4L.20.1 4-Channel / 20 A | SW8L.20.1 8-Channel / 20 A | SW12L.20.1 12-Channel / 20 A | SW24L.16.1 24-Channel / 16 A |
|---|---|---|---|---|---|---|
| Output Channels | 4 | 8 | 4 | 8 | 12 | 24 |
| Rated Current | 10 A / Channel | 10 A / Channel | 20 A / Channel | 20 A / Channel | 20 A / Channel | 16 A / Channel |
| Output Configuration | Independent Relays | Independent Relays | Independent Relays | Independent Relays | Independent Relays | Independent Relays |
| Rated Voltage | 230 V AC / 50 Hz | 230 V AC / 50 Hz | 230 V AC / 50 Hz | 230 V AC / 50 Hz | 230 V AC / 50 Hz | 230 V AC / 50 Hz |
| Maximum Total Current | 40 A | 80 A | 80 A | 160 A | 240 A | 384 A |
| KNX Bus Voltage | 21–30 V DC | 21–30 V DC | 21–30 V DC | 21–30 V DC | 21–30 V DC | 21–30 V DC |
| KNX Bus Current | <12 mA | <12 mA | <12 mA | <12 mA | <12 mA | <12 mA |
| Power Consumption | <360 mW | <360 mW | <360 mW | <360 mW | <360 mW | <360 mW |
| Manual Override | Available | Available | Available | Available | Available | Available |
| Control Functions | Switching, delay, flashing, staircase lighting and status response | Switching, delay, flashing, staircase lighting and status response | Switching, delay, flashing, staircase lighting and status response | Switching, delay, flashing, staircase lighting and status response | Switching, delay, flashing, staircase lighting and status response | Switching, delay, flashing, staircase lighting and status response |
| Logic & Scene Functions | Threshold, preset scenes and AND / OR / XOR logic | Threshold, preset scenes and AND / OR / XOR logic | Threshold, preset scenes and AND / OR / XOR logic | Threshold, preset scenes and AND / OR / XOR logic | Threshold, preset scenes and AND / OR / XOR logic | Threshold, preset scenes and AND / OR / XOR logic |
| Dimensions | 72 × 90 × 64.3 mm | 144 × 90 × 64.3 mm | 75 × 90 × 64.5 mm | 148 × 90 × 64.5 mm | 221 × 90 × 64.5 mm | 221 × 90 × 64.5 mm |
| Installation | 35 mm DIN Rail | 35 mm DIN Rail | 35 mm DIN Rail | 35 mm DIN Rail | 35 mm DIN Rail | 35 mm DIN Rail |
| Product Enquiry | Get Details | Get Details | Get Details | Get Details | Get Details | Get Details |
4-Channel KNX Switch Actuator
8-Channel KNX Switch Actuator
4-Channel KNX Switch Actuator
8-Channel KNX Switch Actuator
12-Channel KNX Switch Actuator
24-Channel KNX Switch Actuator
Contact our team for the latest product datasheets, ETS databases, wiring information and model-selection support for your KNX project.
Engineered for professional distribution boards, DERVIRGA KNX switch actuators combine DIN-rail installation, manual channel control and programmable switching functions for reliable project operation.
DIN-Rail Installation for Professional KNX Distribution Systems
Standard DIN-rail mounting supports organized installation inside residential, hotel and commercial electrical distribution cabinets.
Local control buttons allow installers to test and operate individual output channels during commissioning and maintenance.
Each output channel can be configured independently to control lighting circuits and other compatible electrical loads.
Integrated scene and logic functions support coordinated control according to project requirements and programmed KNX commands.
Configurable delay and staircase-lighting functions provide timed control for corridors, stairwells and shared areas.
Defined output behaviour after KNX bus recovery helps maintain predictable system operation following a communication interruption.
From distribution boards and hotel rooms to villas, offices and commercial buildings, DERVIRGA KNX switch actuators provide centralized control of lighting and electrical circuits for both new-build and system expansion projects.
DIN-rail switch actuators provide centralized control of multiple electrical circuits inside professional distribution cabinets.
Manage lighting and selected electrical loads across living spaces, bedrooms and shared residential areas.
Control guest-room, corridor and public-area lighting circuits through a coordinated KNX building control system.
Coordinate lighting circuits for offices, meeting rooms, corridors and other shared workplace environments.
Support multi-channel switching for retail spaces, public areas and other commercial building applications.
Extend existing KNX installations with additional switching channels as project requirements and circuit capacity grow.
From component verification and relay testing to KNX functional checks and final inspection, DERVIRGA applies a structured quality-control process to support reliable installation and long-term operation in professional building automation projects.
Each KNX switch actuator is checked through key assembly, electrical and functional stages before packaging, helping project teams receive products prepared for installation and commissioning.
Key electrical components, terminals and assembly parts are checked against the selected actuator model and channel configuration.
Relay outputs and switching channels are tested to verify stable operation under the specified electrical load conditions.
KNX communication, channel switching, manual control and key programmable functions are checked before final preparation.
Housing assembly, terminal labeling, DIN-rail mounting structure and product appearance are inspected before packaging.
Support for choosing channel quantity and rated current according to project circuit requirements.
Model-specific datasheets, wiring information and technical documentation are available for project coordination.
Product labeling, packaging and documentation options can be discussed for project and distribution requirements.
Quick answers to common questions about rated current, channel configuration and DIN-rail installation for KNX switch actuator projects.
Select the rated current according to the connected load type, circuit design and required switching capacity. A 10A model is suitable for many standard lighting circuits, while 16A or 20A versions provide greater capacity for higher-load applications. The final selection should follow the electrical specifications and safety requirements of the project.
Each independently controlled electrical circuit normally requires one actuator channel. Count the lighting, socket or other switched circuits that need separate control, then select a 4-, 8-, 12- or 24-channel model. Larger projects can combine multiple actuators according to the distribution-board layout.
Check the actuator width stated in the model-specific datasheet and compare it with the available space in the electrical distribution board. Allow additional room for the KNX bus connection, load wiring, terminal access, ventilation and future maintenance. Contact DERVIRGA for the exact dimensions of the selected model.
Please enter the authorization code provided by DERVIRGA to download this file.
Fill out the form below, and we will be in touch shortly.