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UD/S4.315.2.1 ABB 4-Channel 315W Universal Dimming Actuator
Product Summary
ABB 4-channel KNX dimming actuator: 315W per channel, automatic load detection for LEDs & halogens, flicker-free dimming down to 2W. DIN-rail mounted with manual control.
Basic Properties
Place of Origin:
EU
Brand Name:
ABB
Certification:
CE
Model Number:
UD/S4.315.2.1
Trading Properties
Minimum Order Quantity:
1
Payment Terms:
T/T
Product Description
ABB UD/S4.315.2.1 4-Channel 315W Universal Dimming Actuator
Product Overview
The ABB UD/S4.315.2.1 is a high-performance 4-channel universal dimming actuator engineered to deliver precise, flicker-free brightness control for both modern and traditional lighting systems. Optimized for retrofit LED lamps (LEDi), it offers extensive compatibility with incandescent lamps, low-voltage halogen lights (with conventional/electronic transformers), 230V halogen lamps, and dimmable energy-saving halogen fixtures—making it ideal for mixed-load environments.
Key Features & Benefits
- Automatic load detection for intelligent adaptation to connected lighting types
- Four independent channels with 315W maximum power output per channel
- Dedicated neutral connection for enhanced dimming smoothness
- KNX TP bus compatibility for seamless smart building integration
- Manual on-device operation for testing and emergency use
- Compact DIN-rail mounting design (8 division units)
- IP20 protection class for indoor control cabinet installation
- Supports low-wattage loads down to 2W
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | UD/S4.315.2.1 |
| Channel Quantity | 4 independent channels |
| Max Power per Channel | 315W |
| Compatible Load Types | Retrofit LED (LEDi), incandescent lamps, low-voltage halogen (with transformers), 230V halogen, dimmable energy-saving halogen |
| Minimum Load | 2W |
| Bus Compatibility | KNX TP |
| Protection Class | IP20 |
| Installation Type | DIN-rail mounted (8 division units) |
| Operating Voltage | 230V AC (50/60 Hz) |
| Dimming Performance | Flicker-free, smooth dimming across full brightness range |
Application Scenarios
Commercial Spaces
Ideal for offices, retail stores, hotels, and conference centers—supports multi-zone dimming for mixed LED/halogen setups and integrates with KNX building automation systems for centralized control.
High-Power Lighting Zones
Suitable for large lobbies, exhibition halls, industrial workspaces, or auditoriums requiring high-wattage lighting (315W per channel) with precise brightness adjustment.
Retrofit Projects
Seamlessly upgrades existing lighting infrastructure to support LEDs while retaining compatibility with traditional halogen/incandescent fixtures, avoiding full infrastructure replacement.
Premium Residential Installations
Perfect for luxury homes, villas, or home theaters with multi-room lighting systems—enables customized ambiance and integration with smart home KNX networks for scene programming.
Mixed-Load Environments
Excels in spaces using a combination of modern LEDs and traditional lamps where consistent, reliable dimming across different load types is critical.
Product Details
Highlight:
4-channel dimming actuator 315W
,universal dimming actuator with warranty
,ABB UD dimming actuator 315W
Material:
Flame-retardant Plastic
Channels:
4
Installationlocation:
Indoor
Operatingtemperaturerange:
-5°C To 45°C
Productname:
Dimming Actuator
Mountingtype:
DIN Rail
Communicationprotocol:
KNX
Dimensions:
90mm X 140mm X 63.5mm
Weight:
150g
Voltage:
230V AC
Ms. Nora
Sales Manager
- Email: nora@knxcomponents.com
- Tel: +8613427540176
- WhatsApp: 8613427540176
-
WeChat:
+8613427540176
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