theben RME 4 U KNX 4-Way Switching Actuator Extension Module MIX2

Description

Introduction

The theben RME 4 U KNX (SKU: 4930228) is a specialized 4-way switching actuator designed as an extension module within the theben MIX2 product family. Engineered for KNX building automation systems, this DIN rail unit enables system integrators and electrical installers to expand switching capacity up to a maximum of 12 channels when paired with a MIX2 base module. Explore more theben KNX products for professional building automation projects.

Featuring high-grade NO contacts rated for 16 A and 3 A loads, the device manages diverse load types including LED lighting, energy-saving lamps, fluorescent systems, and resistive loads up to 3680 W. Equipped with screw terminals and Protection Class II insulation, the RME 4 U KNX ensures safe electrical installation and flexible channel expansion for commercial and residential projects.

Key Features

• 4-channel extension module for MIX2 KNX actuators
• DIN rail installation with Protection Class II rating
• NO contact configuration rated for 16 A and 3 A
• Maximum resistive load capability of 3680 W
• Screw terminal wiring interface
• Contact opening width of less than 3 mm
• Compatible with fluorescent, energy-saving, and LED lamp loads

Benefits

• Scalable Architecture: Easily extends KNX switching infrastructure up to 12 channels using the theben MIX2 modular concept.
• High Load Capacity: Supports resistive loads up to 3680 W with NO contacts rated at 16 A and 3 A.
• Comprehensive Lighting Control: Handles various lighting loads including LED lamps (< 2 W, 2-8 W, > 8 W) and fluorescent lamp ballasts.
• Compact DIN Rail Mounting: Utilizes a standard DIN rail enclosure with a width of 4 modules for efficient panel space utilization.
• Flexible Terminal Connections: Screw terminals accept solid wire cross sections up to 6 mm² and stranded wire with ferrules up to 4 mm².

Technical Specifications

Specification	Value
Installation type	DIN rail
Width	4
Opening width	< 3 mm
Type of connection	Screw terminals
Type	Extension module
Max. cable cross section	Solid wire: 0.5 mm² (Ø 0.8) to 6 mm² | Stranded wire with end sleeve: 0.5 mm² to 4 mm²
Number of channels	4
Type of contact	NO contact, 16 A, 3 A
Resistive load	3680
Protection class	II
Information Notice EU Data Act	PDF
CE declaration of conformity	PDF
Data sheet	PDF
Fluorescent lamp load (conventional) parallel-corrected	1300 W (140 µF)
Fluorescent lamp load (conventional) not corrected	2000 VA
Fluorescent lamp load (electronic ballast)	1200
Energy saving lamps	300
LED lamp < 2 W	55
LED lamp 2-8 W	600
LED lamp > 8 W	600

Applications

• Expanding switching channels in existing KNX MIX2 actuator setups in commercial buildings.
• Switching circuit loads for LED and conventional lighting in office or residential distribution boards.
• Modular enclosure retrofits requiring scalable output channels up to 12 total channels.

Installation Notes

• Mount directly onto a standard DIN rail within a distribution panel meeting Protection Class II requirements.
• Secure conductor connections to screw terminals, observing maximum wire sizes: 0.5 mm² to 6 mm² for solid wire, or 0.5 mm² to 4 mm² for stranded wire with end sleeves.
• Verify proper connection to the MIX2 base module when configuring systems up to 12 channels.

Developer Resources

• Official manufacturer Data Sheet (PDF)
• CE Declaration of Conformity (PDF)
• Information Notice EU Data Act (PDF)

FAQ

What is the primary function of the theben RME 4 U KNX?

It serves as a 4-channel MIX2 extension module to expand switching outputs in a KNX system up to 12 total channels. For certificates and current technical files, refer to the official product documentation.

What is the maximum resistive load supported by the RME 4 U KNX?

The module supports a maximum resistive load of 3680 W.

What wire cross sections are supported by the terminal screws?

It supports solid wire from 0.5 mm² to 6 mm² and stranded wire with end sleeves from 0.5 mm² to 4 mm².

What is the exact product model?

The order/model code for this page is 4930228. Match it against project documents before purchase.

Who is the manufacturer?

This product is manufactured by theben.

Where can I find the official technical documentation?

Use the manufacturer product page and datasheets for this exact SKU. Always verify the latest revision before specifying the product.

Conclusion

The theben RME 4 U KNX (4930228) extension module offers an efficient solution for expanding KNX switching capacity up to 12 channels within the MIX2 modular system. Installers and system integrators can review our installer purchasing support options.

With strong switching ratings for LED and resistive loads up to 3680 W, it provides high versatility for professional panel installations.