
Schneider REG-K/640mA Power Supply W/ Emergency Power Unit MTN683890
Schneider REG-K/640mA Power Supply With Emergency Power Unit MTN683890 The Schneider REG-K/640mA, part number MTN683890, is a regulated KNX power supply with integrated emergency power functionality. Designed for building automation systems, it delivers a stable 30V DC output and ensures uninterrupted KNX bus operation during power failures. Key Features: • Manufacturer: Schneider Electric• Model: REG-K/640mA• Part Number: MTN683890• Type: KNX power supply with emergency backup• Output Current: 640 mA• Output Voltage: 30V DC• Function: Supplies and monitors KNX bus; includes emergency power switching• Design: DIN rail mountable unit with LED status indicators• Protection: Overload, short-circuit, and over-temperature protection Applications:Used in KNX-based building automation systems to ensure reliable power delivery and emergency backup for smart home, lighting, HVAC, and energy management infrastructure.