Description
Introduction
The Schneider SpaceLogic KNX Power Supply 320 mA (MTN684032) is a fundamental component designed to supply reliable bus line voltage for KNX-based smart home and building management systems. Engineered for seamless integration within standard distribution boards, this unit produces the required voltage to ensure stable communication across connected KNX devices. This device is part of our KNX system devices range.

Centralizing control via KNX automation helps optimize energy consumption, leading to reduced operational costs over the life of the building. Designed with flexibility and quick installation in mind, the MTN684032 supports dynamic system design in new constructions and modernizations while delivering high reliability and energy efficiency.
Key Features
- Maximum Output Current: Provides up to 320 mA to power connected KNX bus devices.
- Wide Operating Input Voltage: Accepts nominal input voltage of 110…230 V AC at 50…60 Hz.
- DIN Rail Mountable: Standard DIN rail mounting support for easy panel installation.
- SpaceLogic KNX Series: Belongs to Schneider’s SpaceLogic KNX range in light grey color.
- Compact Size: Total width equivalent to 4 modules of 18 mm each.
- Bus Terminal Capacity: Designed to support up to 64 bus terminal modules.
Benefits
- Reliable KNX Bus Voltage: Generates stable bus line voltage required for continuous KNX system operations.
- Energy Optimization: Centralized KNX line power management enables overall energy usage optimization and cost reduction.
- Compact Panel Footprint: Occupies 4 x 18 mm modules on standard DIN rails to save cabinet space.
- Flexible System Adaptability: Designed to fit both new builds and retrofits, reducing installation effort.
- Clear Visual Status: Built-in LED on the device provides immediate operational signaling for quick status checking.
Technical Specifications
Applications
- KNX System Bus Powering: Serves as the primary line power supply unit for KNX building automation networks in residential and commercial properties.
- Centralized Automation Panels: Installed directly on DIN rails inside main or sub-distribution enclosures to maintain network stability.
Installation Notes
- Mount the unit directly onto a standard DIN rail within a dry electrical enclosure.
- Connect mains AC supply voltage within the specified 110…230 V AC range (50…60 Hz).
- Observe on-device LED signaling after powering to verify proper functioning and bus power availability.
Developer Resources
- Product Data Sheet available for detailed physical dimensions and technical parameters.
- Official Schneider SpaceLogic KNX technical documentation for BOQ verification and installation schematics.
FAQ
What is the maximum output current of the Schneider MTN684032?
The Schneider SpaceLogic MTN684032 KNX power supply provides a maximum output current of 320 mA. Explore more products from Schneider for professional building automation projects.
What input voltage range is required for the MTN684032 power supply?
It operates on a nominal supply voltage of 110…230 V AC at a network frequency of 50…60 Hz. For certificates and current technical files, refer to the manufacturer technical documentation.
How many DIN modules does the Schneider MTN684032 occupy?
The unit occupies a total of 4 x 18 mm modules on standard DIN rail supports.
What warranty period applies to this product?
This Schneider product comes with an 18-month warranty period.
What is the exact product model?
The order/model code for this page is MTN684032. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by Schneider.
Conclusion
The Schneider SpaceLogic KNX Power Supply 320 mA (MTN684032) is an essential, high-efficiency power module designed to generate consistent bus line voltage across KNX networks. Its standard 4-module DIN rail form factor and 110-230 V AC input support ensure hassle-free integration into modern building control enclosures. Installers and system integrators can review our dealer and project support options.
Featuring visual LED diagnostics and backed by an 18-month manufacturer warranty, the MTN684032 offers building automation professionals a dependable solution for resilient smart building infrastructure.






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