EAE SW108 KNX Switch Actuator: 8x16A Output with 500A Inrush Capacity
Crucially, the SW108 is built to handle significant electrical demands, featuring a high 500A inrush current capacity. This makes it ideal not only for standard resistive loads but also for managing challenging capacitive and inductive loads, such as modern LED drivers and fluorescent ballasts, ensuring reliable long-term operation.
The device is bus-powered, simplifying installation, and offers direct manual control over each relay via front-panel slide switches for easy commissioning and testing.
1. Key Features and Advanced Logic Functions
The EAE SW108 KNX Switch Actuator provides deep functionality for custom lighting and load control, allowing each of its eight channels to be independently configured.
Independent Channel Configuration:
- 8 Independent Channels: Each channel can manage a different load (up to 16A), providing exceptional flexibility for large installations.
- Manual Override: Individual slide switches on the device allow for local, manual switching (ON/OFF) of each relay without needing KNX communication.
- Current Control: Electric current monitoring is configurable, allowing for diagnostic feedback and condition-based automation.
7 Sophisticated Channel Functions:
The following advanced functions can be defined separately for each channel:
- Stair Function – Automated timing control for staircase lighting applications.
- External Logic – Enables the integration of logic signals from external devices.
- Internal Logic – Allows for the creation of internal AND/OR logic conditions to control the relay.
- Priority Function – Assigns priority levels to switching commands, ensuring safety or preferred modes are maintained.
- Threshold Function – Switches the output based on defined threshold values (e.g., temperature limits).
- Transaction Time – Defines a time delay for switching operations.
- Sweep Function – Provides an alternative turn-off sequence with a pre-warning (e.g., blinking) before the final switch-off.
2. Technical Specifications
| Specification | Detail |
|---|---|
| Model | SW108 KNX Switch Actuator |
| Channels | 8 independent relay channels |
| Switching Capacity | 8 x 16A (AC-1) |
| Inrush Current | 500A (Max) |
| Load Compatibility | Resistive, capacitive and inductive loads (LED, Fluorescent) |
| Power Supply | Via KNX Bus (No external supply required) |
| Installation | DIN Rail |
| Manual Control | Yes (Slide switch per channel) |




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