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Home / Products / Room Temperature Control Unit / VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX
Quality VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX factory
Quality VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX factory
Quality VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX factory
Quality VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX factory

VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX

Product Summary
VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX Product Overview The VC/S 4.2.1 is a professional-grade component of the ABB i-bus® KNX smart building ecosystem, engineered to deliver exceptional reliability, energy efficiency, and operational ...
Basic Properties
Brand Name: ABB
Certification: CE
Model Number: VC/S 4.2.1
Trading Properties
Minimum Order Quantity: 1
Payment Terms: T/T,Western Union
Tags:

knx room thermostat

knx room controller

knx room regulator
Product Description
VC/S 4.2.1 ABB Valve Drive Controller 4-Fold With Manual Override And Local Status Display KNX
Product Overview

The VC/S 4.2.1 is a professional-grade component of the ABB i-bus® KNX smart building ecosystem, engineered to deliver exceptional reliability, energy efficiency, and operational scalability for modern intelligent infrastructure. As part of the globally recognized HVAC Control series, this device represents the convergence of high-performance hardware design and flexible software logic, ensuring seamless coordination across diverse building services including lighting, HVAC, or system maintenance.

Designed for DIN-rail or decentralized installation, the VC/S 4.2.1 facilitates modular system architecture, allowing building operators to optimize environmental parameters and reduce energy overhead. Built with sustainable materials and future-ready technology, this device is a critical building block for achieving high-performance infrastructure standards such as LEED, BREEAM, and Green Premium. It is specifically engineered for 24/7 mission-critical operations in high-end commercial, hospitality, and residential environments.

Technical Specifications
Product Model VC/S 4.2.1
Product Range ABB i-bus® KNX System
Communication Protocol Standard KNX TP1 (S-Mode / PL-Link compatible)
Interface Configuration & Channels 4 outputs with manual override slide switches
Rated Operating Voltage Bus-powered (DC 24 V SELV)
Power Supply Bus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply
Functional Sensing & Diagnostic Elements Mechanical override for local maintenance, visual status indication per channel
Network Topology Support Supports star, daisy-chain, and branch-based bus architectures
Wiring Interface Maintenance-free PUSH-IN or industrial screw terminals for secure field connectivity
Operating Temperature -5°C to +45°C (typical indoor operational range)
Housing Material Halogen-free, Flame-retardant industrial grade polycarbonate
Ingress Protection IP20 (Indoor installation environments)
Certifications CE Marked, RoHS, REACH, KNX Certified, BTL Listed, Green Premium
Application Scenarios
Specified for critical infrastructure HVAC where manual redundancy is mandatory. In server room cooling or pharmaceutical HVAC systems, the VC/S 4.2.1 allows technicians to manually force valves open or closed during commissioning or in the event of controller maintenance, ensuring that climate conditions remain within safe limits even without bus connectivity.
Product Details
Highlight:

ABB valve drive controller KNX

,

KNX valve controller with manual override

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room temperature controller with status display
Technology: Optional Nano Molding Technology
Mounting Type: Flush Mounting Design
Control Type: Digital
Construction: Plastic Construction
Security Features: Anti-theft
Application: Residential Buildings Office Buildings
Color: Light Grey

Ms. Nora

Sales Manager

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