UD/S 4.315.2.1 ABB Universal Dim Actuator 4-Fold 315 VA High-Capacity Multi-Channel LED Dimmer KNX

Product Summary
UD/S 4.315.2.1 ABB Universal Dim Actuator 4-Fold 315 VA High-Capacity Multi-Channel LED Dimmer KNX The UD/S 4.315.2.1 is a high-performance modular component of the ABB i-bus® KNX building automation system, designed to provide exceptional reliability, energy efficiency, and operational scalability ...
Basic Properties
Brand Name: ABB
Certification: CE
Model Number: UD/S 4.315.2.1
Trading Properties
Minimum Order Quantity: 1
Payment Terms: Western Union,T/T
Product Description
UD/S 4.315.2.1 ABB Universal Dim Actuator 4-Fold 315 VA High-Capacity Multi-Channel LED Dimmer KNX
The UD/S 4.315.2.1 is a high-performance modular component of the ABB i-bus® KNX building automation system, designed to provide exceptional reliability, energy efficiency, and operational scalability for modern intelligent infrastructure.
Product Overview
As part of the globally recognized Dimming Actuator range, this device represents the integration of advanced engineering standards with high-durability hardware, ensuring seamless coordination of critical building services such as lighting control, climate management, and system monitoring. Engineered for DIN-rail or wall mounting, the UD/S 4.315.2.1 enables building operators to implement modular control architectures that reduce energy overhead and enhance occupant comfort. Built with sustainable, halogen-free materials and future-ready firmware, this device is a fundamental building block for high-performance infrastructure projects targeting LEED, WELL, and Green Premium certifications.
Technical Specifications
Product Model UD/S 4.315.2.1
Product Range ABB i-bus® KNX System
Communication Protocol Standard KNX TP1 (S-Mode / PL-Link compatible)
Interface Configuration & Channels 4 independent channels
Rated Operating Voltage 230V AC
Control Power Supply Bus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply
Operating Temperature -5°C to +45°C (standard indoor operational range)
Ingress Protection IP20 (Indoor mounting environments)
Housing Material Halogen-free, Flame-retardant Polycarbonate (UL 94 V-0)
Certifications CE Marked, RoHS, REACH, KNX Certified, Green Premium, BTL Listed
Key Features
  • High-durability internal relays with status feedback objects
  • Advanced logic gates and time functions
  • Supports standard star, daisy-chain, and branch-based bus architectures
  • Industrial-grade maintenance-free PUSH-IN or screw terminals
Application Scenarios
The UD/S 4.315.2.1 is designed for high-density commercial and residential projects where space and reliability are paramount. It manages multiple electrical loads from a single modular unit, reducing the total footprint in electrical distribution boards. Its flexible software logic allows for seamless integration into large-scale building automation networks.
Product Details
Compatibility: Works With Various Smart Home Systems
Load Capacity: 250VA Per Channel
Statusindication: LED Indicators
Channel Configuration: 16 Independent Control Channels
Communication: KNX Bus System

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