Jung Dimactor Bus System - 390041SR
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Product Information
Full details
The Jung KNX LED universal dimming actuator (390041SR) is designed for professional electricians and system integrators tasked with managing sophisticated lighting control in commercial or high-end residential buildings. It provides the essential benefit of reliable, high-performance dimming across various lamp technologies with automatic load detection, though it requires specialized knowledge of the KNX environment and ETS5 software for proper configuration.
All features
| Colour | Multicolor |
|---|---|
| Model Part Number | 390041SR |
| Brand | Jung |
Extended Product Information
FAQs
Can I use this with non-dimmable LED bulbs?
No, this actuator is strictly designed for dimmable HV LED lamps and other compatible dimmable light sources.
Does this support firmware updates?
Yes, updates are managed via the KNX network using the ETS software environment.
Can I combine outputs for higher load capacity?
Yes, the device supports parallel switching of outputs to increase the power capacity for larger lighting circuits.
Is the device protected against power surges?
The device includes internal protection against no-load, short-circuit, and overheating conditions.
What is the minimum software version required?
You must use ETS5 or higher to configure this specific actuator.
Troubleshooting
Lamp flickering during operation
Check if an LED compensation module is required or adjust the dimming curve settings within the ETS configuration.
Device not responding to bus commands
Verify the bus line connection and ensure the physical address has been correctly assigned in the ETS software.
Output indicator light is red or blinking
This indicates a fault such as a short-circuit or overload. Disconnect the load and check the wiring for faults before resetting.
Pros and Cons
Pros
- High-level security with KNX Data Secure
- Versatile compatibility with modern LED and traditional lighting
- Easy installation on standard DIN rails
- Manual electronic override functionality
- Scalable power output via parallel switching
Cons
- Requires professional ETS5 software for configuration
- High technical barrier to entry for non-professionals
- Not intended for DIY residential lighting setups
Setup, Compatibility & Care
Installation must be performed by a qualified electrician familiar with KNX standards. The device is designed for mounting on a standard 35mm DIN rail within a distribution board.
- Mounting: Snap the actuator onto the DIN rail securely.
- Wiring: Connect the bus line to the KNX connector and the lighting load wires to the output terminals according to the wiring diagram.
- Configuration: Use ETS5 or higher to address the device and assign group addresses to the specific channels.
- Maintenance: Regularly check the LED status indicators on the front panel to monitor operation. Keep the distribution cabinet environment free of dust and ensure adequate ventilation to prevent overheating during peak operation.