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MEAN WELL KNX40E1280 KNX Power Supply
The KNX Power Supply KNX-40E-1280(D) by MEAN WELL provides reliable 1280mA power output for building automation systems. Features include high efficiency with 86% typ, wide input voltage range of 180~264VAC, integrated choke for noise suppression, and diagnostic functions for monitoring output voltage, current, bus traffic, and device temperature. Its compact size of 72mm width fits 4SU DIN rail mounting, suited for controlling lighting, HVAC, security, and monitoring systems. Safety features include overload, overvoltage, and short circuit protection, ensuring long-lasting, stable operation in diverse environments from -30°C to +70°C.
MEAN WELL KNX40E1280 KNX Power Supply Specifications:
- Rated Output Current: 1280mA
- Output Power: 38.4W
- Output Voltage: 30V (KNX bus), 33~35V (ancillary output)
- Ripple & Noise: 100mVp-p max
- Input Voltage Range: 180~264VAC or 176~280VDC
- Input Frequency: 47~63Hz
- Efficiency: 86%
- AC Current: 0.5A at 230VAC
- Inrush Current: 60A at cold start / 1200μs
- Leakage Current: <1mA / 240VAC
- Operating Temperature: -30°C to +70°C
- Protection: Short circuit, overload, over voltage, automatic recovery
- Dimensions: 72mm x 90mm x 57mm
- Mounting: 35mm DIN rail according to DIN EN60715
- Safety Standards: EN61558-1, EN61558-2-16, EN50491-3
- Isolation: I/P-O/P 4.2KVAC, I/P-FG 2KVAC
- MTBF: 487,400 hours (Telcordia)
- Certifications: CE, UL, CB
- Protection Class: I
- Environment: Storage -40°C to +85°C, Humidity 10~95% RH non-condensing
Buy the MEAN WELL KNX-40E-1280U – Reliable KNX Power Supply for Industrial Applications
Discover the reliable, high-efficiency KNX Power Supply KNX-40E-1280 by MEAN WELL. Designed for seamless integration in building automation, it offers 1280mA current, wide operating temperature, and comprehensive diagnostic features. Its compact size fits DIN rail mounting, making it ideal for lighting, HVAC, security, and monitoring applications. Safety protections, automatic fault recovery, and certified standards ensure long-term, stable operation in diverse environments. Purchase online now to enhance automation performance with a trusted, durable power solution.
Get MEAN WELL KNX-40E-1280 today—built for precision and long-lasting durability in building automation systems.
Frequently Asked Questions
Where can I buy MEAN WELL KNX40E1280?
You can click on the BUY or RFQ button to purchase KNX40E1280 from an authorized MEAN WELL distributor.
How do I troubleshoot issues or seek technical support for part KNX40E1280?
You can download the KNX40E1280 datasheet or visit the MEAN WELL website for support.
Who is the manufacturer of KNX40E1280?
MEAN WELL