Description
Introduction
The Schneider SpaceLogic KNX Power Supply REG-K/640 mA (SKU: MTN683890) provides standard bus voltage generation and power management for KNX system components. Designed in a light grey housing that mounts directly onto a standard DIN rail across 4 modules of 18 mm each, this unit generates a maximum output current of 640 mA to power connected KNX devices across the bus line. This device is part of our KNX system components range.
Integrated with a dedicated emergency power input and visual LED status indicators, the module supports reliable continuous operation in professional building automation networks. It operates on a wide nominal voltage input range of 110…230 V AC at 50…60 Hz.
Key Features
- Maximum output current of 640 mA for KNX bus power.
- Emergency power input connection point.
- 4-module width (18 mm per module) for DIN rail mounting.
- Nominal operating voltage of 110…230 V AC at 50…60 Hz.
- Light grey SpaceLogic KNX series design.
- Integrated LED signaling for device diagnostics.
- Accommodates up to 64 bus terminal connections.
Benefits
- Delivers a steady maximum output current of 640 mA for KNX bus line installations.
- Includes a dedicated emergency input interface for enhanced system operational availability.
- Compact 4-module width (18 mm each) simplifies installation in standard DIN rail enclosures.
- Provides immediate visual diagnostics via onboard LED status signaling.
- Supports broad main line input voltages from 110 V AC to 230 V AC at 50…60 Hz.
- Backed by Schneider’s 18-month standard product warranty.
Technical Specifications
Applications
- Centralized power generation for KNX bus lines in residential and commercial building control systems.
- Power distribution in DIN rail enclosures requiring integrated emergency input connections.
Installation Notes
- Mount directly on a standard DIN rail inside a distribution cabinet, allocating 4 module spaces (72 mm total width).
- Connect the primary power source within the 110…230 V AC (50…60 Hz) range and link emergency input lines according to project electrical schematics.
- Verify proper bus voltage delivery and device functionality using the integrated LED status indicators.
Developer Resources
- Product documentation, technical data sheets, catalogs, CAD files, and user manuals are available from Schneider support channels.
FAQ
What is the maximum output current of the Schneider MTN683890 power supply?
The Schneider MTN683890 KNX power supply provides a maximum output current of 640 mA. Explore more Schneider KNX solutions for professional building automation projects.
What operating voltage range is required for this unit?
It operates on a nominal line voltage of 110…230 V AC at a supply frequency of 50…60 Hz. For certificates and current technical files, refer to the official Schneider documentation.
How many DIN modules does this KNX power supply occupy?
This device occupies 4 standard 18 mm modules on a DIN rail.
Does this unit feature emergency power support?
Yes, the REG-K/640 mA power supply includes an emergency power input.
What warranty is provided with the Schneider MTN683890?
This product comes with an 18-month warranty.
What is the exact product model?
The order/model code for this page is MTN683890. Match it against project documents before purchase.
Conclusion
The Schneider SpaceLogic KNX Power Supply REG-K/640 mA (MTN683890) delivers robust 640 mA power supply performance in a 4-module DIN rail form factor. Equipped with an emergency input and clear LED diagnostics, it serves as a core system component for reliable KNX infrastructure. Installers and system integrators can review our KNX dealer program options.
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